Osor Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Osor.

Climate overview of Osor

Osor, Catalonia, Spain, sees big temperature differences between seasons, with August peaking at 28°C (82°F) and January dropping to 12°C (54°F).

Rain/snowfall is high, totalling around 1215 mm (48 in) per year. September is the wettest month and December the driest. The most sunshine falls in July, with an average of 9.6 hours of daily sunshine.

Osor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Osor — and find the best time to visit.

Monthly Temperature in Osor

Visitors to Osor 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 moderate 12°C (54°F) during cooler months like January.

At night, you can expect temperatures ranging from 17°C (63°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 Osor

Osor is known for its substantial rain/snowfall, with annual precipitation reaching 1215 mm (48 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives high rainfall, averaging 144 mm (5.7 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month December brings less rainfall, with 61 mm (2.4 in) over 11 rainy days. For more details, please visit our Osor Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Osor

Seasonal changes in sunshine hours are quite dramatic in Osor. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Girona, Spain (22 KM, 13 Miles).

Daily hours of sunshine

Data from: Girona, Spain (22 KM, 13 Miles).

Humidity in Osor by Month

Best Time to Visit Osor

During April, May, June, July, August, September and October, Osor experiences its most favorable weather, with temperatures between 18°C (64°F) and 28°C (83°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 112 mm (4.4 in) and 144 mm (5.7 in).

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Osor

What is the best time to visit Osor?

May, June, July, August, September and October typically offer the most optimal weather in Osor. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Osor?

Daytime highs range from 12°C (54°F) in January to 28°C (82°F) in August. Nighttime lows range from 1°C (34°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Osor get?

Annual rainfall is around 1215 mm (48 in). September is the wettest month with 144 mm (5.7 in), while December is the driest with 61 mm (2.4 in).

How sunny is Osor?

Osor receives around 2,312 hours of sunshine per year. July is the sunniest month with 287 hours, while December is the cloudiest with just 132 hours. Overall, Osor enjoys abundant sunshine.

Osor 3-Day Forecast

Osor 3-Day Forecast

Osor on the map

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