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Isla Weather and Climate: A Comprehensive Guide

Temperatures see a moderate degree of fluctuation, transitioning from warm conditions to mild. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The weather in Isla changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a comfortable 24°C in August, the warmest time of the year, to a moderate 13°C during cooler months like February.

At night, temperatures typically drop to an average of around 8°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Isla is known for its substantial rainfall, with annual precipitation reaching 1163 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives high rainfall, averaging 148 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, July brings less rainfall, with 57 mm over 11 rainy days. For more details, please visit our Isla Precipitation page.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Isla. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.9 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Santander, Spain (20 KM, 12 Miles).

Daily hours of sunshine

Data from: Santander, Spain (20 KM, 12 Miles).

Average water temperature

The mean water temperature over the year ranges from 12°C in January to 20°C in August.

Water temperature over the year

Data from: Santander, Spain (20 KM, 12 Miles).

Forecast for Isla

Sun   Dec 22
15°C | 11°C
NW 10 m/s
9.7 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
13°C | 11°C
NW 9 m/s
8.8 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
14°C | 11°C
W 6 m/s
21 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Isla in Spain

During the months of June, July, August, September and October 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 Isla?
    August has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Isla?
    The coldest month is February with an average maximum temperature of 13°C.
  • Which is the wettest month in Isla?
    November tops the wettest month list with 148 mm of rainfall.
  • Which is the driest month in Isla?
    July is the driest month with 57 mm of precipitation.
  • Which is the sunniest month in Isla?
    July is the sunniest month with an average of 226 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.