Ustka Weather: December
 |
Average Day Temperature: | 38.1°F |
|
Average Night Temperature: | 36.0°F |
|
Sea Water Temperature: | 41.8°F |
|
Number of Sunny Days: | 4 days |
| Sunshine Hours: | 7.3 - 7.7 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.8 in | |
| detailed information | ||
forecast
| Ustka |
Temperature
| Ustka |
Air Temperature in December, °F
The highest day temperature in December 2025 was 48°F. The lowest night temperature was 24°F. The average values for day and night temperatures during December were 39.9°F и 38.4°F respectivly.
Ustka Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Ustka was 41.7°F. The maximum and minimum values were 39.0°F and 44.2°F respectively.
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Ustka is 1.8 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 14.9 mph. It makes December the most windy month of the year for Ustka.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ustka in December is 2.3 hours.
Ustka on the Weather Map
| Gdansk |  |
+28 |
| Gdynia | |
+28 |
| Krakow |  |
+10 |
| Krynica Morska |  |
+22 |
| Leba | |
+32 |
| Miedzyzdroje | |
+32 |
| Poznan |  |
+16 |
| Sopot | |
+28 |
| Szczecin | |
+26 |
| Ustka | |
+30 |
| Vladyslawowo | |
+28 |
| Warsaw | |
+16 |
| Wisla | |
+4 |
| Wroclaw | |
+14 |
| Zakopane | |
-6 |
| 0000 |  |
30°F | S 29 mph |
| 0300 | |
30°F | S 29 mph |
| 0600 | |
30°F | S 29 mph |
| 0900 |  |
32°F | S 27 mph |
| 1200 | |
32°F | S 24 mph |
| 1500 |  |
30°F | S 21 mph |
| 1800 |  |
26°F | S 14 mph |
| 2100 | |
26°F | SE 11 mph |