Osp Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Osp.
Climate overview of Osp
Osp, Slovenia, sees big temperature differences between seasons, with August peaking at 28°C (82°F) and January dropping to 8°C (46°F).
Rain/snowfall is high, totalling around 1449 mm (57 in) per year. November is the wettest month and July the driest. The city also experiences warm summers and cold winters. The most sunshine falls in July, with an average of 9.7 hours of daily sunshine.
Osp Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Osp - and find the best time to visit.
Monthly Temperature in Osp
Visitors to Osp can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in August to around 1°C (34°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Osp
Osp is known for its substantial rain/snowfall, with annual precipitation reaching 1449 mm (57 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 178 mm (7 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month July brings less rainfall, with 82 mm (3.2 in) over 12 rainy days. For more details, please visit our Osp Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Osp
Seasonal changes in sunshine hours are quite dramatic in Osp. While July receives considerable daily sunshine with up to 9.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Osp
The mean water temperature over the year ranges from 9°C (48°F) in February to 24°C (75°F) in August.
Water temperature over the year
Humidity in Osp by Month
The relative humidity is high throughout the year in Osp.
The city experiences its highest humidity in October, reaching 69%. In March, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Osp
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Most sunshine: July
- Best for swimming: June, July, August and September.
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Osp
What is the best time to visit Osp?
July typically offers the most optimal weather in Osp. In contrast, January, February, November and December tend to have less optimal conditions. Osp has warm summers and cold winters.
What temperatures can I expect in Osp?
Daytime highs range from 8°C (46°F) in January to 28°C (82°F) in August. Nighttime lows range from 1°C (34°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Osp get?
Annual rainfall is around 1449 mm (57 in). November is the wettest month with 178 mm (7 in), while July is the driest with 82 mm (3.2 in).
How sunny is Osp?
Osp receives around 2,117 hours of sunshine per year. July is the sunniest month with 290 hours, while December is the cloudiest with just 84 hours. Overall, Osp enjoys abundant sunshine.
Osp 3-Day Forecast
Osp on the map
Osp is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Piran
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24°C (75°F) Bovec24°C (75°F) Bohinj24°C (75°F) Kranjska Gora23°C (73°F) 
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