Sumy Weather: December
 |
Average Day Temperature: | 29.1°F |
|
Average Night Temperature: | 25.1°F |
|
Number of Sunny Days: | 3 days |
| Sunshine Hours: | 7.9 - 8.3 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 1.7 in | |
|
Number of Snowy Days: | 1 day |
| detailed information | ||
Air Temperature in December, °F
The highest day temperature in December 2025 was 40°F. The lowest night temperature was 14°F. The average values for day and night temperatures during December were 30.5°F и 27.9°F respectivly.
Sunny, Cloudy and Gloomy days
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Sumy is 1.7 in.
Wind Speed in December, mph
The average wind speed in December is 9.2 mph. This value is relatively stable throughout the year.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sumy in December is 1.9 hours.
Sumy on the Weather Map
Ukraine Resorts:
NAME
F°
| Berdyansk |  |
+42 |
| Chornomorsk |  |
+24 |
| Dnepropetrovsk |  |
+30 |
| Donetsk | |
+34 |
| Genichesk |  |
+42 |
| Kherson | |
+30 |
| Kiev | |
+2 |
| Kirillovka | |
+42 |
| Lvov | |
+2 |
| Mariupol | |
+40 |
| Nikolaev | |
+24 |
| Odessa | |
+24 |
| Rasseyka | |
+22 |
| Skadovsk | |
+34 |
| Vilkovo | |
+30 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sumy
Local time: 22:12
11 jan, sunday
| 0000 |  |
16°F | SE 6 mph |
| 0300 |  |
14°F | SE 7 mph |
| 0600 | |
10°F | SE 7 mph |
| 0900 |  |
10°F | SE 6 mph |
| 1200 | |
14°F | SE 4 mph |
| 1500 | |
14°F | S 9 mph |
| 1800 | |
12°F | S 11 mph |
| 2100 | |
12°F | SE 12 mph |