Climate at a glance · Gdynia
Annual mean10°day and night
Precipitation716 mma year
Warmest monthJulyavg high 23°
Coldest monthJanuaryavg low 0°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
716 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 4° | 4° | 8° | 11° | 17° | 22° | 23° | 23° | 19° | 14° | 7° | 4° |
| Avg low | 0° | 0° | 1° | 4° | 8° | 13° | 15° | 15° | 13° | 8° | 3° | 0° |
| Precip, mm | 68 | 58 | 31 | 37 | 54 | 60 | 123 | 72 | 41 | 58 | 62 | 52 |
| 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 | 4° | 3° | 4° | 8° | 11° | 15° | 20° | 20° | 18° | 13° | 9° | 6° |
| 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