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Onís Weather and Climate: A Comprehensive Guide

The temperature in Onís can vary greatly throughout the year. The temperatures shift from pleasant to cold. It also experiences much rainfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

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

At night, you can expect cooler temperatures, with averages dropping to around 4°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Onís has a relatively rainy climate with high precipitation levels, averaging 1511 mm of rainfall annually. Onís experiences moderate seasonal variation in rainfall, with monthly averages ranging from 159 mm in November, the wettest month, and 97 mm in July, the driest month.

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

Sunshine over the year

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).

Forecast for Onís

Sun   Dec 22
13°C | 7°C
W 6 m/s
12 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
9°C | 6°C
NW 3 m/s
12 mm
overcast and heavy rain

overcast and heavy rain

Tue   Dec 24
11°C | 7°C
S 1 m/s
4.1 mm
overcast and rain

overcast and rain

The best time of year to visit Onís in Spain

During the months of July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Onís?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Onís?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Onís?
    November tops the wettest month list with 159 mm of rainfall.
  • Which is the driest month in Onís?
    July is the driest month with 97 mm of precipitation.
  • Which is the sunniest month in Onís?
    July is the sunniest month with an average of 224 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.