Climate Insights for Beasain

The climate in Beasain is temperate. The average annual temperature is 13°C and approximately 1432mm of precipitation falls per year. Beasain receives a notable amount of rainfall throughout the year, including during its driest month. Beasain is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 4°C. Light snow can occur between January and December.

Beasain sees moderate temperature variation throughout the year, ranging from 4°C to 24°C. August is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Beasain is a fairly wet location, receiving approximately 1432mm of precipitation annually, which averages out to around 119mm per month. The wettest month is January, averaging 166mm of rainfall. November and March also tend to see above-average precipitation. The driest month is August, with just 76mm. That's 90mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 31cm annually. February is the snowiest month with approximately 12cm.

Beasain is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Beasain, which began on June 21, 2026. Beasain is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 24°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Beasain is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 78mm per month. By contrast, January can be quite cold with temperatures dropping to 4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Beasain based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.