Climate at a glance · Gdynia
Annual mean50°day and night
Precipitation28.19 ina year
Warmest monthJulyavg high 73°
Coldest monthJanuaryavg low 32°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
28.19 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 39° | 39° | 46° | 52° | 63° | 72° | 73° | 73° | 66° | 57° | 45° | 39° |
| Avg low | 32° | 32° | 34° | 39° | 46° | 55° | 59° | 59° | 55° | 46° | 37° | 32° |
| Precip, in | 2.68 | 2.28 | 1.22 | 1.46 | 2.13 | 2.36 | 4.84 | 2.83 | 1.61 | 2.28 | 2.44 | 2.05 |
| Wet days | 14 | 14 | 8 | 9 | 11 | 13 | 15 | 12 | 9 | 12 | 12 | 12 |
| Sunshine | 2.5 h | 5 h | 7.9 h | 9.7 h | 12.4 h | 13.5 h | 12.8 h | 11.2 h | 9.4 h | 6.4 h | 3.3 h | 2.2 h |
| Humidity | 86% | 83% | 76% | 75% | 69% | 70% | 74% | 75% | 76% | 80% | 86% | 88% |
| Sea temperature | 39° | 37° | 40° | 46° | 51° | 58° | 67° | 68° | 64° | 55° | 49° | 43° |
| Daylight | 7 h 59 | 9 h 45 | 11 h 53 | 14 h 07 | 16 h 05 | 17 h 09 | 16 h 36 | 14 h 50 | 12 h 42 | 10 h 30 | 8 h 30 | 7 h 24 |
| UV index (clear sky) | 1 | 2 | 4 | 6 | 8 | 9 | 9 | 7 | 5 | 2 | 1 | 1 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
54.5190°N, 18.5320°E