When is the best time to go to Postojna
The chart above shows the best time of year to visit Postojna, Slovenia. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Postojna
Postojna weather by month
Please note our recommendations for when to visit Postojna are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 2°C | 114mm | 3.8hrs | 10.2hrs |
The climate in Postojna during January can be summarized as cold and damp.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Postojna and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (36°F), whilst at night -5°C (22°F) is normal.
On average January is the driest month of the year in Postojna with around 114mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.8 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 4°C | 100mm | 5hrs | 11.4hrs |
February in Postojna is generally a little damp with the temperature being cold.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Postojna.
February is in the winter in Postojna and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 4°C (39°F), whilst at night -4°C (25°F) is normal.
On average February is the 2nd driest month of the year in Postojna with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Postojna weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 123mm | 5.6hrs | 12.8hrs |
The weather in March in Postojna is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
March is in the spring in Postojna and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -1°C (30°F) is normal.
On average March is the 3rd driest month of the year in Postojna with around 123mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 141mm | 6.6hrs | 14.5hrs |
Postojna's weather in April is typically cool and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often not a good and not conducive to spending time outdoors.
April is in the spring in Postojna and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 2°C (36°F) is normal.
On average April is the 4th driest month of the year in Postojna with around 141mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 133mm | 8hrs | 16hrs |
May is a wet month in Postojna and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Postojna.
May is in the spring in Postojna and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 6°C (43°F) is normal.
On average May is the 5th driest month of the year in Postojna with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 157mm | 8.4hrs | 10.2hrs |
June in Postojna is generally wet with the temperature being mild.
It is perhaps a good month to visit Postojna, with some surprisingly good weather at this time of year.
June is in the summer in Postojna and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 9°C (49°F) is normal.
On average June is the 6th driest month of the year in Postojna with around 157mm 6.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 121mm | 9.9hrs | 11.4hrs |
July in Postojna is generally wet with the temperature being mild.
It is perhaps the perfect month to visit Postojna, with some extremely good weather at this time of year.
July is in the summer in Postojna and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 11°C (52°F) is normal.
On average July is the 6th wettest month of the year in Postojna with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 140mm | 8.9hrs | 12.8hrs |
The weather in August in Postojna is characteristically mild and wet.
It is perhaps the perfect month to visit Postojna, with some surprisingly good weather at this time of year.
August is in the summer in Postojna and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 11°C (51°F) is normal.
On average August is the 5th wettest month of the year in Postojna with around 140mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 150mm | 7hrs | 14.5hrs |
Postojna's weather in September is typically mild and wet in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Postojna.
September is in the fall / autumn in Postojna and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (47°F) is normal.
On average September is the 4th wettest month of the year in Postojna with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
Postojna weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 156mm | 5.4hrs | 16hrs |
October is a wet month in Postojna and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
October is in the fall / autumn in Postojna and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 5°C (40°F) is normal.
On average October is the 3rd wettest month of the year in Postojna with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 181mm | 3.7hrs | 10.2hrs |
Postojna's weather in November is typically cool and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Postojna and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night 0°C (32°F) is normal.
On average November is the 2nd wettest month of the year in Postojna with around 181mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.7 hours of sunshine per day.
Postojna weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 134mm | 3.5hrs | 11.4hrs |
December in Postojna is generally wet with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Postojna for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Postojna and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -4°C (25°F) is normal.
On average December is the wettest month of the year in Postojna with around 134mm 5.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.5 hours of sunshine per day.
Other monthly averages
Postojna weather stats
| Hottest month: | July | 22.8°C 73°F |
|---|---|---|
| Driest month: | February | 100mm 3.9ins |
| Sunniest month: | July | 9.9hrs |
| Coldest month: | January | 2°C 35.6°F |
| Wettest month: | November | 181mm 7.1ins |
| Warmest sea: | August | 25.3°C 77.5°F |
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