Temperatures in August
It's hot in August in Rockville with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 36°C. At night, you can expect temperatures between 15°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Rockville in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Rockville with hot temperatures, averaging around 35°C during the day and nights close to 18°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-August
By mid-August, the average daytime temperature stays the same at 35°C, with nights close to 17°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of August
By the end of August, the average daytime temperature in Rockville will be around 35°C, with nights close to 17°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in August
In August, there is an average of 25 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the South.
The precipitation chance averages 19% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Rockville. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Rockville in August |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 22°C | |
 High Temp |
36°C | 24°C | |
| Low Temp |
32°C | 19°C | |
 Total Precipitation |
25 mm | 60 mm | |
| Rainy Days |
6 days | 10 days | |
July
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Rockville?
August is a great month to be in Rockville for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Rockville in August
With 44°C, Rockville hit the highest temperature in the last 10 years in August 2023. The lowest daytime temperature in this month was 21°C in 2016. The extreme night temperatures ranged from a low of 10°C to a high of 25°C.
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Daily Temperature in August in Rockville
This chart shows the average daily temperatures, both day and night, for each day in August in Rockville, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Rockville
The chart below shows the average daily precipitation in August for Rockville, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 6 days of rain in Rockville.
Daily UV Index in August in Rockville
This chart shows the average daily UV index in August in Rockville, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Rockville Over the Years
This chart shows the average temperature in August in Rockville, measured in degrees Celsius, over the past years.
Total Precipitation in August in Rockville Over the Years
This chart shows the average precipitation in August in Rockville, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Rockville
Click on a specific day in August for detailed info on the typical weather on that day in Rockville. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Rockville
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Average Weather in Rockville by Month
Click on a month below to see detailed weather info for Rockville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Rockville for all months at once
