What’s the climate like in Postojna?
The current climate of Postojna features average monthly temperatures ranging from highs of 27°C during the day to lows of 6°C. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -2°C and in the warmer months around 14°C.
The highest temperature recorded in Postojna in recent years was 36°C in August 2017. The lowest daytime temperature recorded was -10°C in February 2018.
On average, Postojna gets 1325 mm of precipitation each year. Of this, about 61 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Curious about the climate in other parts of Slovenia? Check out the weather and climate in places like Ljubljana, Bled, Bohinj, or have a look at other destinations in Slovenia.
Best time to visit Postojna?
The best time to visit Postojna for pleasant to warm weather is April through October. There might be some rain during this period, but the temperatures are just right for exploring Postojna.
Climate Table of Postojna
The climate table of Postojna shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 6 | 8 | 12 | 16 | 20 | 26 | 27 | 27 | 22 | 17 | 11 | 7 |
| Temp. min (°C) | -1 | 0 | 1 | 4 | 9 | 13 | 15 | 15 | 11 | 8 | 4 | 0 |
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| Precipitation (mm) | 94 | 121 | 72 | 88 | 126 | 90 | 83 | 98 | 154 | 123 | 155 | 121 |
| Snow (cm) | 14 | 16 | 4,7 | 3,1 | 0 | 0 | 0 | 0 | 0 | 0 | 8,2 | 15 |
| UV Index | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 17°C
- Highest temperature: 27°C in July and August
- Lowest temperature: 6°C in January
- Precipitation*: 1325 mm per year, averaging 110 mm per month
- Snowfall: 61 cm per year
- Driest months: 72 mm in March, 83 mm in July and 88 mm in April
- Wettest months: 155 mm in November, 154 mm in September and 126 mm in May
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Postojna
This graph shows the average maximum temperatures per month in Postojna, Slovenia. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Postojna
This graph shows how much precipitation Postojna, Slovenia, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Postojna
This graph shows how much snow Postojna, Slovenia, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Postojna
This graph shows the average UV index per month in Postojna, Slovenia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Postojna
This graph shows the average yearly temperature in Postojna, Slovenia. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Postojna
This chart shows the total yearly precipitation in Postojna, Slovenia, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Postojna
This chart shows the total yearly snowfall in Postojna, Slovenia, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Postojna
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Average Weather in Postojna by Month
Click on a month below to see detailed weather info for Postojna. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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