Aia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Aia.
Climate overview of Aia
Aia, Basque Country, Spain, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in August, while winters cool to 12°C (54°F) in January.
Rainfall is high, totalling around 1459 mm (57 in) per year. November is the wettest month and July the driest. The city also experiences warm summers and cold winters. Sunshine peaks in July, when the city sees around 6.6 hours of sunshine per day.
Aia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aia - and find the best time to visit.
Monthly Temperature in Aia
Depending on the time of the year, temperatures range from comfortable to chilly in Aia. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in August, the warmest time of the year, to a chilly 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 6°C (43°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Aia
Aia has a relatively rainy climate with high precipitation levels, averaging 1459 mm (57 in) of rainfall annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 171 mm (6.7 in) of precipitation, spread over 17 rainy days.
In contrast, the driest month July experiences a drier climate, with about 85 mm (3.3 in) of rainfall spread across 12 rainy days. For more details, please visit our Aia 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 Aia
Seasonal changes in sunshine hours are quite dramatic in Aia. While July receives considerable daily sunshine with up to 6.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Aia by Month
The relative humidity is high throughout the year in Aia.
The city experiences its highest humidity in November, reaching 76%. In March, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Aia
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July and August
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Aia
What is the best time to visit Aia?
June, July and August typically offer the most optimal weather in Aia. In contrast, January, February and December tend to have less optimal conditions. Aia has warm summers and cold winters.
What temperatures can I expect in Aia?
Daytime highs range from 12°C (54°F) in January to 24°C (75°F) in August. Nighttime lows range from 6°C (43°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Aia get?
Annual rainfall is around 1459 mm (57 in). November is the wettest month with 171 mm (6.7 in), while July is the driest with 85 mm (3.3 in).
How sunny is Aia?
Aia receives around 1,745 hours of sunshine per year. July is the sunniest month with 199 hours, while December is the cloudiest with just 80 hours.
Aia 3-Day Forecast
Aia 3-Day Forecast
Aia on the map
Aia is highlighted - select any city to see its climate.
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