Weather in Ermupolis: December
| Average day temperature: | 58.5°F | |
| Average night temperature: | 57.0°F | |
| Sea water temperature: | 63.5°F | |
| Number of sunny days: | 11 days | |
| Day length: | 9.6 - 9.8 hours | |
| Number of rainy days: | 4 days | |
| Precipitation totals: | 2.2 in. | |
| more information | ||
forecast
| Ermupolis |
temperature
| Ermupolis |
Air temperature in December, °F
The highest day temperature during December of 2025 was 62°F. At the same time the lowest night temperature was 55°F. Daily and nightly averages during December were 59.1°F and 58.7°F.
Sea water temperature in Ermupolis in December, °F
The average sea water temperature in December of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 68.5°F and 64.2°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Ermupolis in December is 2.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 17.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.1.
Best time for vacation in Ermupolis
Ermupolis on a weather map

22 mph

23 mph

17 mph

8 mph

9 mph

19 mph

13 mph

22 mph



























