Climate Insights for Bilbao
Abando, Biscay, Autonomous Community of the Basque Country, Spain
Climate Overview
The climate in Bilbao is temperate. The average annual temperature is 14°C and approximately 1,164 mm of precipitation falls per year. Bilbao receives a notable amount of rainfall throughout the year, including during its driest month. Bilbao 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 6°C.The climate in Bilbao is temperate. The average annual temperature is 57°F and approximately 45.8 in of precipitation falls per year. Bilbao receives a notable amount of rainfall throughout the year, including during its driest month. Bilbao 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 43°F.
Temperature
Bilbao sees moderate temperature variation throughout the year, ranging from 6°C to 23°C. August is the warmest month, though highs remain moderate at 23°C with a mean of 20°C. January is the coolest month, with minimum temperatures around 6°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.Bilbao sees moderate temperature variation throughout the year, ranging from 43°F to 74°F. August is the warmest month, though highs remain moderate at 74°F with a mean of 68°F. January is the coolest month, with minimum temperatures around 43°F and an average of 47°F. Daily temperature variation is modest, with an average difference of 11°F between highs and lows. The sharpest temperature change occurs between October and November, with a 7°F shift in average temperatures.
Precipitation
Bilbao is a moderately rainy area, receiving approximately 1,164 mm of precipitation annually, which averages out to around 97 mm per month. The wettest month is November, averaging 155 mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 50 mm. That's 105 mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Bilbao is a moderately rainy area, receiving approximately 45.8 in of precipitation annually, which averages out to around 3.8 in per month. The wettest month is November, averaging 6.1 in of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 2 in. That's 4.1 in less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Bilbao is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 12km/h in spring, 9km/h in summer, 12km/h in autumn.Bilbao is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 7mph in spring, 6mph in summer, 7mph in autumn.
Best Time to Visit
The best time to visit Bilbao is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 76 mm per month. By contrast, January can be quite cold with temperatures dropping to 6°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 best time to visit Bilbao is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3 in per month. By contrast, January can be quite cold with temperatures dropping to 43°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Bilbao 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. 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.The table below shows monthly climate averages for Bilbao based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.