Normal weather for Rockville in June
It's hot in June in Rockville with an average temperature of 34°C. Temperatures this month range from a low of 31°C to a high of 36°C. At night, you can expect temperatures between 10°C and 17°C.
According to weather history, there is only 3,5 mm of precipitation in June. The wind speed is around 4 Bft, mostly coming from the Southwest.
Rockville in June |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 22°C | |
 High Temp |
36°C | 24°C | |
| Low Temp |
31°C | 18°C | |
 Total Precipitation |
3,5 mm | 57 mm | |
| Rainy Days |
1 day | 10 days | |
Start of June
The month of June starts in Rockville with hot temperatures, averaging around 33°C during the day and nights close to 12°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. For the evening and morning, a shirt, maybe a light cardigan, and light trousers will do.
Mid-June
By mid-June, the average daytime temperature rises to around 34°C, with nights close to 14°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. For the evening and morning, a shirt, maybe a light cardigan, and light trousers will do.
End of June
By the end of June, the average daytime temperature in Rockville will be around 36°C, with nights close to 15°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. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
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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 June a good time to visit Rockville?
June 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 June
With 42°C, Rockville hit the highest temperature in the last 10 years in June 2021. The lowest daytime temperature in this month was 20°C in 2020. The extreme night temperatures ranged from a low of 2°C to a high of 26°C.
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Daily Temperature in June in Rockville
This chart shows the average daily temperatures, both day and night, for each day in June 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 June in Rockville
The chart below shows the average daily precipitation in June 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 June, you can expect about 1 day of rain in Rockville.
Daily UV Index in June in Rockville
This chart shows the average daily UV index in June 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 June in Rockville Over the Years
This chart shows the average temperature in June in Rockville, measured in degrees Celsius, over the past years.
Total Precipitation in June in Rockville Over the Years
This chart shows the average precipitation in June 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 June for Rockville
Click on a specific day in June 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 June 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
