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Contents
- The climate of Rolla
- The best time to visit Rolla
- The worst time to visit Rolla
- Spring weather in Rolla
- Summer weather in Rolla
- Autumn weather in Rolla
- Winter weather in Rolla
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Rolla
Positioned firmly in North Dakota, the smaller town of Rolla experiences a Humid continental climate. This type of weather, according to the Köppen climate classification, indicates weather conditions characterized by significant temperature differences between seasons and a generous amount of precipitation throughout the year.
With the change of seasons, several weather parameters transform dynamically in Rolla. The fluctuation between maximum temperatures reaching 77.9°F (25.5°C) in the warm months and minimum temperatures plunging down to 0.5°F (-17.5°C) in the cold months paints a clear picture of the wide temperature variations in this town. Relative humidity levels also vary, with higher levels seen during the winter months, close to 93% in January and lower levels during the warmer months, around 60% in August. Rainfall demonstrates a similar behaviour, peaking at 3.27" (83mm) in June and dropping down to just 0.43" (11mm) in February.
As for sunshine and daylight hours, they follow the globally conventional pattern. Sunshine hours markedly increase during summer, peaking at 11 hours in July, synchronizing with the maximum daylight hours of 16.1 hours in the same month. Wind speed remains rather consistent throughout the year, only slightly increasing to 11mph (17.7km/h) in October.
With the change of seasons, several weather parameters transform dynamically in Rolla. The fluctuation between maximum temperatures reaching 77.9°F (25.5°C) in the warm months and minimum temperatures plunging down to 0.5°F (-17.5°C) in the cold months paints a clear picture of the wide temperature variations in this town. Relative humidity levels also vary, with higher levels seen during the winter months, close to 93% in January and lower levels during the warmer months, around 60% in August. Rainfall demonstrates a similar behaviour, peaking at 3.27" (83mm) in June and dropping down to just 0.43" (11mm) in February.
As for sunshine and daylight hours, they follow the globally conventional pattern. Sunshine hours markedly increase during summer, peaking at 11 hours in July, synchronizing with the maximum daylight hours of 16.1 hours in the same month. Wind speed remains rather consistent throughout the year, only slightly increasing to 11mph (17.7km/h) in October.
The best time to visit Rolla
Considering the climatic conditions and the weather parameters, July emerges as the best option for a visit. During this period, not only does Rolla enjoy the highest average daytime temperature of 77.9°F (25.5°C), but also the maximum sunshine duration of 11 hours. Even though the humidity is relatively lower than other months and rainfall is not at its peak, it allows vacationers to explore the scenic beauty of the town without the discomfort of extreme weather conditions.
The worst time to visit Rolla
On the contrary, January proves to be the least attractive month for visitation purposes. It presents the most challenging weather conditions with the average minimum temperature dipping down to 0.5°F (-17.5°C), combined with the maximum relative humidity of 93%. The limited sunshine duration of only 3.1 hours combined with merely 8.8 hours of daylight doesn't leave much room for outdoor activities or exploration.
Spring weather in Rolla
Spring weather in Rolla is marked by a spectacular transition from cold to warmer temperatures. The month of March starts off with average high and low temperatures of 30.7°F (-0.7°C) and 16.7°F (-8.5°C) respectively which swiftly rise to 61.3°F (16.3°C) and 44.4°F (6.9°C) by the end of May. This season also observes a significant increase in rainfall and sunshine hours, offering a pleasurable blend of moderate temperature and ample sunshine.
Summer weather in Rolla
Summers in Rolla favor welcoming weather with temperatures in July peaking to an agreeable average of 77.9°F (25.5°C). The sunshine duration reaches its zenith in this period, resulting in longer days and shorter nights. The period from June to August also witnesses substantial rainfall, averaging at 2.6" (66mm) per month, adding a refreshing touch to the warm summer days.
Autumn weather in Rolla
Autumn in Rolla indicates the onset of colder weather as temperatures take a steady dip from an average high of 67.6°F (19.8°C) in September to 32.2°F (0.1°C) in November. Rainfall decreases in these months, while sunshine hours and humidity levels remain fairly constant. Though temperatures gradually sink, the clear skies allow for pleasant daytime exploration.
Winter weather in Rolla
Winter in Rolla is typically characterized by low temperatures and high humidity levels. December, January, and February see temperatures plunge to an average low between 0.5°F (-17.5°C) to 5.9°F (-14.5°C). Snowfall during this season is significant with average snowfall in December reaching 3.98" (101mm). While the temperatures may be severe, the beautiful snow-covered landscapes provide a magical backdrop for the winter scenery.
Weather in January
January in Rolla, North Dakota showcases some of the coldest and most harsh weather conditions of the year. Temperatures plummet, hitting lows of 0.5°F (-17.5°C) and reaching only as high as 14.2°F (-9.9°C). With 3.27" (83mm) of snow covering the city on an average of 15.5 days, winter sports enthusiasts would be thrilled. Weather in January »
Weather in February
In February, Rolla moves further into its cold winter season but the weather conditions are a slight improvement from January. The snowfall is slightly less than the previous month with 2.76" (70mm) falling over 14.3 days. Despite the mercury rising slightly higher than in January, the temperatures still remain cold. Weather in February »
Weather in March
March ushers in the initial traces of spring in Rolla, North Dakota. Temperatures, while still low, start to become bearable with the minimum and maximum roaming between 16.7°F (-8.5°C) and 30.7°F (-0.7°C). The snowfall remains consistent with 3.58" (91mm) recorded, paving the way for a gradual transition into warmer weather. Weather in March »
Weather in April
April in Rolla brings forth the spring season in full swing, with the landscape transforming considerably. Compared to March, the city becomes more inhabitable as the temperatures rise notably and rainfall amount increases to 1.46" (37mm). Weather in April »
Weather in May
May's arrival indicates the undeniable shift from harsh winters toward warmer seasons in Rolla, North Dakota. Temperatures see a drastic rise compared to April, with lows and highs ranging around 44.4°F (6.9°C) and 61.3°F (16.3°C). Weather in May »
Weather in June
Rolla residents welcome summer in June with an evident change in weather patterns. Prior months' rising trend in temperature peaks in June with lows and highs wavering around 53.4°F (11.9°C) to 70.7°F (21.5°C). This time of year is brighter with sunnier, longer days. Weather in June »
Weather in July
July symbolizes the heart of summer in Rolla, North Dakota, with the highest temperatures of the year. The temperature highs can go as far as 77.4°F (25.2°C) and as low as 57.2°F (14°C), marking the hottest period of the year. Weather in July »
Weather in August
August continues the summer season in Rolla but brings a slight dip in temperatures compared to July. Although the temperature highs remain nearly constant, the lows record a minor slump. This month is synonymous with slightly shorter daylight hours and reduced humidity compared to July. Weather in August »
Weather in September
September experiences a noticeable shift from summer to autumn in Rolla, North Dakota. Temperatures start to decline from the summer highs yet the weather remains comfortably warm. It serves as a transitional period, with falling temperatures making the weather bearable. Weather in September »
Weather in October
October brings the charm of autumn to Rolla while bidding farewell to the mild temperatures of summer. Weather conditions during this month are cooler as compared to September. Though temperatures are dropping, it hasn’t quite reached the freezing point yet. Weather in October »
Weather in November
In November, Rolla, North Dakota braves the onset of winter as temperatures dip drastically from the previous months. While November is the month with the third-highest snowfall, with 4.29" (109mm) on average, the city records a significant increase in snow days. Weather in November »
Weather in December
December in Rolla encapsulates the freezing winter spirit as temperatures continue their downward trend from November. With an average of 3.98" (101mm) of snow falling on approximately 15.7 days, the city transforms into a winter landscape. Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Rolla?
Rolla, North Dakota, experiences its lowest temperatures in January, with an average peak of 14.2°F (-9.9°C) and a low of 0.5°F (-17.5°C).
What is the most humid month in Rolla?
January is the most humid month, with an average relative humidity of 93%.
How many days does it rain in Rolla?
In Rolla, North Dakota, during the entire year, the rain falls for 110.9 days and collects up to 17.95" (456mm) of precipitation.
When does it snow in Rolla?
January through May, October through December are months with snowfall in Rolla, North Dakota.
How many days does it snow in Rolla?
Throughout the year, in Rolla, there are 86.8 snowfall days, and 23.78" (604mm) of snow is accumulated.
What is the month with the least sunshine in Rolla?
The month with the least sunshine in Rolla is January, with an average of 3.1h of sunshine.
When is the lowest UV index in Rolla?
The months with the lowest UV index in Rolla, North Dakota, are January, February and December, with an average maximum UV index of 1.
What is the driest month in Rolla?
The month with the least rainfall is February, when the rain falls for 2 days and typically collects 0.43" (11mm) of precipitation.
When is Daylight Saving Time (DST) in Rolla?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rolla, North Dakota, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Rolla?
The month with the most rainfall in Rolla is June, when the rain falls for 18.8 days and typically aggregates up to 3.27" (83mm) of precipitation.
When it does not snow in Rolla?
In Rolla, snow does not fall in June through September.
When are the longest days in Rolla?
The month with the longest days is June, with an average of 16h and 6min of daylight.
When is the highest UV index in Rolla?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What month has the most sunshine in Rolla?
July has the most sunshine of the year in Rolla, North Dakota, with an average of 11h of sunshine.
What is the warmest month in Rolla?
The month of August sees the average highest temperatures in Rolla, North Dakota, reaching 77.9°F (25.5°C) at the peak and 56.5°F (13.6°C) at the low.
What is the least humid month in Rolla?
With an average relative humidity of 60%, August is the least humid month.
What is the snowiest month in Rolla?
The month with the most snowfall in Rolla is November, when snow falls for 12 days and typically aggregates up to 4.29" (109mm) of snow.
What is the month with the shortest days in Rolla?
December has the shortest days of the year, with an average of 8h and 18min of daylight.
Average temperature
Rolla, ND
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure
Rolla, ND
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Rolla, ND
- Average wind speed in January:
10.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.6mph - Average wind speed in May:
10.3mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.8mph - Average wind speed in October:
11mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Rolla, ND
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall
Rolla, ND
- Average rainfall in January:
0.51" - Average rainfall in February:
0.43" - Average rainfall in March:
0.94" - Average rainfall in April:
1.46" - Average rainfall in May:
2.2" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.52" - Average rainfall in August:
1.69" - Average rainfall in September:
2.01" - Average rainfall in October:
1.5" - Average rainfall in November:
0.71" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days
Rolla, ND
- Average rainfall days in January:
2.9 days - Average rainfall days in February:
2 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
2.7 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall
Rolla, ND
- Average snowfall in January:
3.27" - Average snowfall in February:
2.76" - Average snowfall in March:
3.58" - Average snowfall in April:
3.27" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rolla, ND
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
14.4 days - Average snowfall days in April:
7.9 days - Average snowfall days in May:
1.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
5.3 days - Average snowfall days in November:
12 days - Average snowfall days in December:
15.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rolla, ND
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 3min - Average sunshine in March:
4h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Rolla, ND
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index
Rolla, ND
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Rolla, ND
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Rolla, ND
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Rolla, North Dakota, USA
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