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Weather & Climate
Ostrołęka, Mazovia, Poland
Overview
Climate data and monthly weather averages for Ostrołęka.
Key Metrics
Annual Avg
7.9°C
Summer Avg
18.7°C
Winter Avg
-3.3°C
Record High
35.2°C
Record Low
-35°C
Annual Precipitation
645.5 mm
Avg Humidity
81%
Summer Humidity
70%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.5° | -4.7° | -35° | 44 | 94% | 19 | 58.2 |
| Feb | 11.6° | -3.1° | -28.1° | 36.4 | 92% | 37 | 54.3 |
| Mar | 20.2° | 1.6° | -18° | 37.8 | 83% | 81 | 59.3 |
| Apr | 27.7° | 8° | -5.2° | 39.3 | 74% | 125 | 48.2 |
| May | 30° | 13.8° | -3.6° | 72.5 | 73% | 163 | 41.8 |
| Jun | 32° | 17.3° | 3.3° | 68.4 | 71% | 169 | 44.2 |
| Jul | 33.1° | 19.8° | 7.9° | 80 | 71% | 162 | 41.7 |
| Aug | 35.2° | 19.1° | 6.1° | 70.1 | 69% | 139 | 44.2 |
| Sep | 33.2° | 14° | -0.5° | 52.5 | 74% | 94 | 47.2 |
| Oct | 22.6° | 7.8° | -5.8° | 52.4 | 83% | 52 | 56.8 |
| Nov | 17.6° | 2.9° | -12.3° | 46.5 | 92% | 20 | 57.1 |
| Dec | 11.3° | -2° | -21.6° | 45.6 | 94% | 13 | 52.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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