Expand
Contents
- 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
Weather in January
January, the same as December, is another cold winter month in Rockville, Missouri, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 25.2°F (-3.8°C). January stands out as Rockville's coldest month, with an average high-temperature of 39.9°F (4.4°C) and a low-temperature of 25.2°F (-3.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Rockville, Missouri, with an average temperature varying between 28.9°F (-1.7°C) and 44.2°F (6.8°C). Rockville's average high-temperature in February is a chilly 44.2°F (6.8°C), marking an insignificant difference from the 39.9°F (4.4°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Rockville, is a moderate month, with an average temperature ranging between max 56.3°F (13.5°C) and min 39.4°F (4.1°C). In Rockville, the average high-temperature in March increases from a frosty 44.2°F (6.8°C) in February to a moderate 56.3°F (13.5°C). Weather in March »
Weather in April
April in Rockville, Missouri, is a refreshing spring month, with an average temperature ranging between min 47.1°F (8.4°C) and max 65.5°F (18.6°C). As March gives way to April, the average high-temperature displays an increase, moving from a mild 56.3°F (13.5°C) to a comfortable 65.5°F (18.6°C). Weather in April »
Weather in May
May, the last month of the spring in Rockville, is a moderately hot month, with an average temperature fluctuating between 56.3°F (13.5°C) and 73.8°F (23.2°C). Rockville in May experiences a slight uptick in the average high-temperature, adjusting from April's enjoyable 65.5°F (18.6°C) to a warm 73.8°F (23.2°C). Weather in May »
Weather in June
June, the first month of the summer in Rockville, is still a warm month, with an average temperature ranging between max 84.4°F (29.1°C) and min 66.7°F (19.3°C). June sees a temperature increase, moving from a moderately hot 73.8°F (23.2°C) in May to a still warm 84.4°F (29.1°C). Weather in June »
Weather in July
July in Rockville, Missouri, is a hot summer month, with an average temperature varying between 87.4°F (30.8°C) and 68.9°F (20.5°C). Rockville's temperature records reveal July as the warmest month, marked by average highs of 87.4°F (30.8°C) and lows of 68.9°F (20.5°C). The heat index in July is calculated to be a sweltering 102.2°F (39°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Rockville, Missouri, with an average temperature ranging between max 85.6°F (29.8°C) and min 66.7°F (19.3°C). Rockville, Missouri, starts August with an average high-temperature of a moderately hot 85.6°F (29.8°C), a minor shift from July's 87.4°F (30.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Rockville, is also a moderately hot month, with an average temperature varying between 79°F (26.1°C) and 60.3°F (15.7°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 85.6°F (29.8°C) in August to a still warm 79°F (26.1°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Rockville, Missouri, with an average temperature varying between 66.6°F (19.2°C) and 48.9°F (9.4°C). The average high-temperature decreases in October, shifting from a moderately hot 79°F (26.1°C) in September to a refreshing 66.6°F (19.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Rockville, Missouri, with an average temperature fluctuating between 38.3°F (3.5°C) and 54.5°F (12.5°C). A shift in Rockville's weather is observed as October turns into November, with the average high temperature reducing from a comfortable 66.6°F (19.2°C) to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Rockville, Missouri, with an average temperature varying between 43.7°F (6.5°C) and 29.5°F (-1.4°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a cool 54.5°F (12.5°C) to a chilly 43.7°F (6.5°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Rockville?
Rockville, Missouri, experiences its average lowest temperatures in January, reaching a peak of 39.9°F (4.4°C) and a minimum of 25.2°F (-3.8°C).
What is the driest month in Rockville?
The month with the least rainfall is January, when the rain falls for 5 days and typically collects 0.79" (20mm) of precipitation.
How many days does it rain in Rockville?
In Rockville, Missouri, during the entire year, the rain falls for 130.6 days and collects up to 25.43" (646mm) of precipitation.
When does it snow in Rockville?
January through March, May, October through December are months with snowfall in Rockville, Missouri.
How much does it snow in Rockville?
In Rockville, during the entire year, snow falls for 12.2 days and aggregates up to 4.29" (109mm) of snow.
What is the month with the least sunshine in Rockville?
The month with the least sunshine in Rockville, Missouri, is January, with an average of 5.3h of sunshine.
What is the month with the lowest UV index in Rockville?
The months with the lowest UV index in Rockville are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Rockville?
February is the month with the most snowfall in Rockville, Missouri. Snow falls for 4 days and accumulates 1.69" (43mm) of snow.
When is Daylight Saving Time (DST) in Rockville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
When it does not snow in Rockville?
In Rockville, Missouri, snow does not fall in April, June through September.
What is the most humid month in Rockville?
With an average relative humidity of 81%, May is the most humid month.
What is the rainiest month in Rockville?
The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 4.49" (114mm) of precipitation.
When are the longest days in Rockville?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Rockville?
June is the month with the highest UV index, with an average maximum UV index of 7.
What is the warmest month in Rockville?
In Rockville, July registers the highest temperatures, averaging 87.4°F (30.8°C) at the peak and 68.9°F (20.5°C) at the lowest.
What month has the most sunshine in Rockville?
With an average of 10.6h of sunshine, July has the most sunshine of the year in Rockville, Missouri.
What is the least humid month in Rockville?
October is the least humid month in Rockville, with an average relative humidity of 71%.
What is the month with the shortest days in Rockville?
The month with the shortest days in Rockville, Missouri, is December, with an average of 9h and 36min of daylight.
Average temperature
Rockville, MO
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Rockville, MO
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Rockville, MO
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.5mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Rockville, MO
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Rockville, MO
- Average rainfall in January:
0.79" - Average rainfall in February:
1.02" - Average rainfall in March:
2.17" - Average rainfall in April:
2.91" - Average rainfall in May:
4.49" - Average rainfall in June:
2.05"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Rockville, MO
- Average rainfall days in January:
5 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
12 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).
Average snowfall
Rockville, MO
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days
Rockville, MO
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
4 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rockville, MO
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days
Rockville, MO
- Average sunshine days in January:
22.7 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).
Average UV index
Rockville, MO
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rockville, MO
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Rockville, MO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rockville, Missouri, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
