Weather in Sumy: August
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Average day temperature: | 79.5°F |
| Average night temperature: | 61.6°F | |
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Number of sunny days: | 19 days |
| Day length: | 13.6 - 15.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.1 in. | |
| more information | ||
14 days
forecast
forecast
| Sumy |
weather in
September
September
| Sumy |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 90°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during August were 75.8°F and 58.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Sumy in August is 1.0 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 7.4 mph It makes August one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.3.
Best time for vacation in Sumy
Sumy on a weather map
Places in Ukraine:
Name
°F
24 Hours Forecast
Sumy
Local time: 00:31
December 29, monday
0300
23°F
E
3 mph
3 mph
0600
25°F
SE
2 mph
2 mph
0900
23°F
S
6 mph
6 mph
1200
25°F
SE
9 mph
9 mph
1500
27°F
SE
9 mph
9 mph
1800
25°F
SE
13 mph
13 mph
2100
23°F
E
12 mph
12 mph
December 30, tuesday
0000
21°F
E
7 mph
7 mph
