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Weather & Climate
Sumy, Sumska, Ukraine
Overview
Climate data and monthly weather averages for Sumy.
Key Metrics
Annual Avg
7.1°C
Summer Avg
20.2°C
Winter Avg
-6.5°C
Record High
38.9°C
Record Low
-35.1°C
Annual Precipitation
614.4 mm
Avg Humidity
80%
Summer Humidity
67%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.3° | -7.9° | -35.1° | 48.7 | 95% | 28 | 57.1 |
| Feb | 10.5° | -6.7° | -30.5° | 40 | 95% | 50 | 55.2 |
| Mar | 19.1° | -0.7° | -23.1° | 45.9 | 87% | 95 | 52.1 |
| Apr | 26.9° | 7.8° | -7.4° | 38.7 | 76% | 130 | 48.9 |
| May | 32.6° | 15° | -1.2° | 66 | 73% | 177 | 43.6 |
| Jun | 34.2° | 18.6° | 2.8° | 68.4 | 71% | 188 | 40.1 |
| Jul | 36.5° | 21.3° | 8° | 73.2 | 68% | 186 | 45.7 |
| Aug | 38.9° | 20.7° | 6.4° | 40.3 | 62% | 163 | 45.4 |
| Sep | 34.2° | 14.6° | -1.2° | 45.3 | 67% | 106 | 43.9 |
| Oct | 24.7° | 7.1° | -6.7° | 52.1 | 79% | 61 | 59.2 |
| Nov | 17.1° | 0.7° | -15.2° | 45 | 89% | 26 | 54.5 |
| Dec | 9.1° | -4.9° | -27.7° | 50.8 | 94% | 18 | 54.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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