Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's onset sees an average high-temperature of a still warm 78.6°F (25.9°C), exhibiting a slight fluctuation from the previous month. During August, an average low-temperature of 58.1°F (14.5°C) is observed.Humidity
In August, the average relative humidity is 75%.Rainfall
In Rockville, in August, during 12.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Rockville, during the entire year, the rain falls for 109.6 days and collects up to 17.52" (445mm) of precipitation.Snowfall
In Rockville, snow does not fall in June through September.Daylight
In Rockville, the average length of the day in August is 14h and 3min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:56 pm CDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August in Rockville?
How much does it rain in August?
When it does not snow in Rockville?
What is the average length of the day in August in Rockville?
When are sunrise and sunset in August?
How many hours of sunshine does Rockville have in August?
How high is the UV index in August?
Average temperature in August
Rockville, MN
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in August: 58.1°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in August
Rockville, MN
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Rockville, MN
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Rockville, MN
- Average humidity in August: 75%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in August
Rockville, MN
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Rockville, MN
- Average rainfall days in August: 12.9 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in August
Rockville, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rockville, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rockville, MN
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Rockville, MN
- Average sunshine days in August: 16.6 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in August
Rockville, MN
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Rockville, MN
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in August
Rockville, MN
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rockville, Minnesota, USA
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