Onís Weather & Climate: Best Time to Visit

Onís, Asturias, Spain, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in August, while winters cool to 10°C (50°F) in February.

With around 1511 mm (59 in) of annual rainfall, Onís has a notably wet climate. The wettest month is November. Sunshine peaks in July, when the city sees around 7.5 hours of sunshine per day.

Monthly Temperature in Onís

Depending on the time of the year, temperatures range from pleasant to chilly in Onís. Average daytime temperatures reach a pleasant 22°C (72°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 15°C (59°F) in August to 4°C (39°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Onís

Onís has a relatively rainy climate with high precipitation levels, averaging 1511 mm (59 in) of rainfall annually. Onís experiences moderate seasonal variation in rainfall, with monthly averages ranging from 159 mm (6.3 in) in November, the wettest month, and 97 mm (3.8 in) in July, the driest month. For more details, please visit our Onís 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 Onís

Onís can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Gijón, Spain (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Gijón, Spain (60 KM, 37 Miles).

Onís 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Onís

During the months of June, July, August and September, Onís enjoys pleasant weather with average temperatures ranging from 19°C (67°F) to 22°C (71°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 97 mm (3.8 in) in July to 118 mm (4.6 in) in June. This means you can expect a mix of sunny days and occasional showers.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.