Climate at a glance · Ostrava
Annual mean11°day and night
Precipitation814 mma year
Warmest monthJulyavg high 26°
Coldest monthJanuaryavg low -2°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
814 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 4° | 6° | 11° | 14° | 19° | 24° | 26° | 25° | 21° | 15° | 8° | 4° |
| Avg low | -2° | -1° | 1° | 4° | 9° | 14° | 16° | 15° | 12° | 7° | 2° | -1° |
| Precip, mm | 56 | 46 | 40 | 62 | 71 | 69 | 93 | 121 | 103 | 43 | 56 | 54 |
| Wet days | 14 | 11 | 11 | 13 | 13 | 11 | 14 | 12 | 11 | 10 | 10 | 11 |
| Sunshine | 3.8 h | 4.9 h | 8 h | 8.3 h | 10.6 h | 12.5 h | 11.9 h | 10.4 h | 8.7 h | 7.2 h | 4.4 h | 2.9 h |
| Humidity | 82% | 77% | 70% | 70% | 69% | 69% | 68% | 71% | 76% | 77% | 84% | 86% |
| Daylight | 8 h 40 | 10 h 07 | 11 h 55 | 13 h 47 | 15 h 25 | 16 h 15 | 15 h 50 | 14 h 24 | 12 h 36 | 10 h 44 | 9 h 05 | 8 h 11 |
| UV index (clear sky) | 1 | 3 | 5 | 7 | 9 | 10 | 9 | 8 | 6 | 3 | 2 | 1 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
49.8350°N, 18.2820°E