Weather in Sumy: January
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Average day temperature: | 26.3°F |
| Average night temperature: | 21.8°F | |
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Number of sunny days: | 2 days |
| Day length: | 8.0 - 9.2 hours | |
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Number of days with precipitation: | 3 days |
| Precipitation totals: | 1.7 in. | |
| more information | ||
14 days
forecast
forecast
| Sumy |
weather in
February
February
| Sumy |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 36°F. At the same time the lowest night temperature was 6°F. Daily and nightly averages during January were 21.1°F and 17.6°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Sumy in January is 1.5 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 9.4 mph It makes January one of the most 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 January is: 2.2.
Best time for vacation in Sumy
Sumy on a weather map
Places in Ukraine:
Name
°F
24 Hours Forecast
Sumy
Local time: 18:50
September 16, wednesday
2100
57°F
N
1 mph
1 mph
September 17, thursday
0000
55°F
N
2 mph
2 mph
0300
54°F
NE
3 mph
3 mph
0600
52°F
N
3 mph
3 mph
0900
57°F
N
5 mph
5 mph
1200
68°F
NE
6 mph
6 mph
1500
70°F
N
7 mph
7 mph
1800
68°F
N
6 mph
6 mph
