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Weather & Climate in Jastarnia, Poland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jastarnia experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 37°F in January while summers reach 64°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 29.9 inches (drier than the 38-inch national average). The area receives 27.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of -7 feet.
Temperature
37°F Jan (3°C)
64°F Jul (18°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | -7 ft (-2 m) |
| Area | 3.1 sq mi (8.0 km²) |
| Population Density | 1,270/sq mi |
| Coordinates | 54.6983°N, 18.6773°W |
| Timezone | Europe/Warsaw |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 21, 2004 | 3 km SSW of Yantarnyy, Russia | M4.8 | 81 km | 10 km |
| Sep 21, 2004 | 2 km ESE of Yantarnyy, Russia | M4.8 | 85 km | 4 km |
| Jun 20, 1995 | 59 km WNW of Donskoye, Russia | M4.3 | 68 km | 10 km |
| Feb 23, 1995 | 14 km WSW of Baltiysk, Russia | M4.0 | 66 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.6 in | |
| February | 32°F (-0°C) | 1.2 in | Coldest, Driest |
| March | 36°F (2°C) | 1.2 in | |
| April | 42°F (6°C) | 1.3 in | |
| May | 51°F (11°C) | 1.7 in | |
| June | 58°F (14°C) | 2.4 in | |
| July | 64°F (18°C) | 2.8 in | Warmest, Wettest |
| August | 63°F (17°C) | 2.6 in | |
| September | 56°F (14°C) | 2.7 in | |
| October | 49°F (9°C) | 2.4 in | |
| November | 40°F (5°C) | 2.2 in | |
| December | 35°F (2°C) | 2.1 in |
Jastarnia has a seasonal temperature swing of 33°F / from 32°F in February to 64°F in July. Total annual precipitation is 24.3 inches, with July being the wettest month (2.8") and February the driest (1.2").