Weather in Postojna: December
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Average day temperature: | 39.5°F |
| Average night temperature: | 33.5°F | |
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Number of sunny days: | 10 days |
| Day length: | 8.7 - 8.9 hours | |
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Number of days with precipitation: | 6 days |
| Precipitation totals: | 4.4 in. | |
| more information | ||
14 days
forecast
forecast
| Postojna |
weather in
January
January
| Postojna |
Air temperature in December, °F
Show year:
2023
2022
2021
The highest day temperature during December of 2023 was 57°F. At the same time the lowest night temperature was 28°F. Day and night temperature averages during December were 45.1°F and 38.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Postojna in December is 4.9 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 4.6 mph It makes December lest windy month of the year.
Average sunny hours
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: 2.5.
Best time for vacation in Postojna
Postojna on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Postojna
Local time: 15:50
May 02, thursday
1800
50°F
E
4 mph
4 mph
2100
46°F
N
6 mph
6 mph
May 03, friday
0000
45°F
N
3 mph
3 mph
0300
45°F
NE
2 mph
2 mph
0600
45°F
NE
2 mph
2 mph
0900
45°F
NE
2 mph
2 mph
1200
48°F
E
1 mph
1 mph
1500
48°F
W
1 mph
1 mph
