Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Witnessing a clear upsurge, the average high-temperature in Rolla, North Dakota, during May escalates from April's chilly 46.6°F (8.1°C) to a refreshing 61.3°F (16.3°C). During the May nights, an average temperature of 44.4°F (6.9°C) is observed in Rolla.Humidity
In Rolla, the average relative humidity in May is 63%.Rainfall
In Rolla, during May, the rain falls for 14.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Rolla, North Dakota, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.7 snowfall days, in May, Rolla aggregates 0.47" (12mm) of snow. Throughout the year, there are 86.8 snowfall days, and 23.78" (604mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 18min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:54 pm. On the last day of May, in Rolla, North Dakota, sunrise is at 5:39 am and sunset at 9:33 pm CDT.
Sunshine
The average sunshine in May in Rolla is 8.9h.UV index
The average daily maximum UV index in May in Rolla is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in May in Rolla?
What is the average humidity in May in Rolla?
How much does it rain in Rolla in May?
What is the last month it snows in Rolla?
How many hours of daylight does Rolla have in May?
When are sunrise and sunset in May in Rolla?
How many hours of sunshine does Rolla have in May?
How high is the UV index in May in Rolla?
Average temperature in May
Rolla, ND
- Average high temperature in May: 61.3°F
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).
- Average low temperature in May: 44.4°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 in May
Rolla, ND
- Average pressure in May: 29.94"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 in May
Rolla, ND
- Average wind speed in May: 10.3mph
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 in May
Rolla, ND
- Average humidity in May: 63%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Rolla, ND
- Average rainfall in May: 2.2"
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 in May
Rolla, ND
- Average rainfall days in May: 14.9 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 in May
Rolla, ND
- Average snowfall in May: 0.47"
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 in May
Rolla, ND
- Average snowfall days in May: 1.7 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 in May /
Average sunshine in May
Rolla, ND
- Average daylight in May: 15h 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 May: 8h and 5min
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 in May
Rolla, ND
- Average sunshine days in May: 12.8 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 in May
Rolla, ND
- Average UV index in May: 4
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 in May
Rolla, ND
- Average cloud cover in May: 41
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 in May
Rolla, ND
- Average visibility in May: 6mi
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
Weather forecast for your location
2. Allow the app to use your location
