Climate of Postojna
Postojna has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Postojna is 14° degrees and there is about 979 mm of rain in a year. It is dry for 135 days a year with an average humidity of 81% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 3°C and 25°C
- Night:the average nighttime temperature is between -3°C and 14°C
- Rain: it rains 186 days and there is a total of approximately 978 mm rainfall
- Snow: it snows an average of 43 days per year
- Sun hours: throughout the year there are 2860 sun hours
Maximum temperature: | between 3°C and 25°C |
Warmest month: | 25°C in July |
Coldest month: | 3°C in January |
Night temperature: | between -3°C and 14°C |
Dry days: | 136 days |
Days with rain: | 186 days |
Days with snow: | 43 days |
Total rain sum: | 978 mm |
Hours of sunshine: | 2860 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Postojna.
Precipitation graph
This graph shows the average amount of rainfall per month for Postojna.
Climate table of Postojna
In this climate table you can see at a glance what the average weather per month is for Postojna. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Postojna might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 3 | 4 | 9 | 15 | 18 | 23 | 25 | 25 | 20 | 14 | 9 | 5 |
Night temp. (°C) | -3 | -2 | 1 | 5 | 8 | 11 | 13 | 14 | 10 | 6 | 3 | -1 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 77 | 96 | 77 | 57 | 89 | 93 | 74 | 64 | 94 | 75 | 109 | 73 |
Days with rain | 12 | 11 | 13 | 18 | 22 | 20 | 19 | 14 | 16 | 14 | 15 | 12 |
Days with snow | 12 | 13 | 5 | 1 | - | - | - | - | - | 1 | 3 | 8 |
Dry days | 7 | 4 | 13 | 11 | 9 | 10 | 12 | 17 | 14 | 16 | 12 | 11 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 4 | 7 | 10 | 10 | 11 | 12 | 12 | 10 | 6 | 5 | 5 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 5 | 3 | 3 | 2 | 2 |
Best time to visit Postojna
The best time to visit Postojna in Slovenia is from May through September. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Postojna is 25°C in July and the lowest is 3°C in January.
Climate of Postojna by month
What is the average climate in a given month for Postojna? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Postojna weather experiences
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