Bilbao, Basque Country Weather by Month and Climate Averages

How much rain does Bilbao get?

Bilbao gets 1154 mm of precipitation in an average year, spread over about 162 days with measurable rain. That is more rainy days than 95% of Spain.

November is the wettest month, with 168 mm. July is the driest, with 52 mm. November has the most rainy days, about 16.

The longest dry spell in the last five years lasted 14 days, to July 20, 2022.

Bilbao weather by month

Bilbao weather in January

In January, Bilbao averages a high of 13°C and a low of 6°C. It gets 130 mm of precipitation over about 16 rainy days. The sun is out about 32% of daylight hours. The January record high is 25°C (2023) and the record low is -7°C (1985).

Bilbao weather in February

In February, Bilbao averages a high of 14°C and a low of 5°C. It gets 109 mm of precipitation over about 14 rainy days. The sun is out about 35% of daylight hours. The February record high is 27°C (2026) and the record low is -6°C (1993).

Bilbao weather in March

In March, Bilbao averages a high of 17°C and a low of 7°C. It gets 98 mm of precipitation over about 13 rainy days. The sun is out about 33% of daylight hours. The March record high is 30°C (2023) and the record low is -4°C (2005).

Bilbao weather in April

In April, Bilbao averages a high of 18°C and a low of 8°C. It gets 97 mm of precipitation over about 15 rainy days. The sun is out about 32% of daylight hours. The April record high is 33°C (2010) and the record low is -1°C (1991). April is one of the most comfortable months to visit.

Bilbao weather in May

In May, Bilbao averages a high of 21°C and a low of 11°C. It gets 76 mm of precipitation over about 14 rainy days. The sun is out about 32% of daylight hours. The May record high is 37°C (2026) and the record low is 1°C (1976). May is one of the most comfortable months to visit.

Bilbao weather in June

In June, Bilbao averages a high of 23°C and a low of 14°C. It gets 58 mm of precipitation over about 11 rainy days. The sun is out about 29% of daylight hours. The June record high is 43°C (2026) and the record low is 3°C (1975). June is one of the most comfortable months to visit.

Bilbao weather in July

In July, Bilbao averages a high of 26°C and a low of 16°C. It gets 52 mm of precipitation over about 11 rainy days. The sun is out about 43% of daylight hours. The July record high is 42°C (2020) and the record low is 8°C (1972). July is one of the most comfortable months to visit.

Bilbao weather in August

In August, Bilbao averages a high of 26°C and a low of 16°C. It gets 53 mm of precipitation over about 11 rainy days. The sun is out about 42% of daylight hours. The August record high is 44°C (2023) and the record low is 8°C (1972). August is one of the most comfortable months to visit.

Bilbao weather in September

In September, Bilbao averages a high of 24°C and a low of 14°C. It gets 75 mm of precipitation over about 12 rainy days. The sun is out about 39% of daylight hours. The September record high is 42°C (1988) and the record low is 4°C (1972). September is one of the most comfortable months to visit.

Bilbao weather in October

In October, Bilbao averages a high of 21°C and a low of 12°C. It gets 112 mm of precipitation over about 14 rainy days. The sun is out about 34% of daylight hours. The October record high is 37°C (2023) and the record low is 2°C (1991). October is one of the most comfortable months to visit.

Bilbao weather in November

In November, Bilbao averages a high of 17°C and a low of 8°C. It gets 168 mm of precipitation over about 16 rainy days. The sun is out about 31% of daylight hours. The November record high is 28°C (2009) and the record low is -6°C (1988).

Bilbao weather in December

In December, Bilbao averages a high of 14°C and a low of 6°C. It gets 127 mm of precipitation over about 16 rainy days. The sun is out about 30% of daylight hours. The December record high is 25°C (2021) and the record low is -6°C (2001).

Sunshine, humidity and wind in Bilbao

July is the sunniest month in Bilbao, with sunshine about 43% of daylight hours. June is the cloudiest, at 29%. Over the year the sun shines about 34% of daylight hours. Bilbao is cloudier than 95% of Spain.

Humidity peaks in June at 82% and is lowest in March at 73%.

Bilbao has about 9 days a year above 32°C. Bilbao is cooler than 78% of Spain.

First and last freeze in Bilbao

The first fall freeze in Bilbao typically comes around December 5, and the last spring freeze around February 23. That leaves a frost-free growing season of about 285 days.

Bilbao weather records

The hottest temperature on record at the Bilbao station is 44°C, on August 23, 2023. The coldest is -7°C, on January 9, 1985.

The wettest day on record brought 108 mm of rain, on June 16, 2010.

33 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Bilbao

The most comfortable time to visit is typically April to October, when daytime highs sit near 23°C.

Winter (December–February) is mild, with average highs around 14°C and lows near 6°C.

Spring (March–May) is mild, with average highs around 19°C and lows near 9°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 15°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 21°C and lows near 11°C.

Bilbao climate questions

How much rain does Bilbao get?

Bilbao gets 1154 mm of precipitation in an average year, over about 162 rainy days.

What is the wettest month in Bilbao?

November is the wettest month in Bilbao, with 168 mm. July is the driest, with 52 mm.

How many rainy days does Bilbao have a year?

Bilbao has about 162 days with measurable rain in an average year. November has the most, about 16.

What is the hottest month in Bilbao?

August is the warmest month in Bilbao, with an average high of 26°C.

What is the coldest month in Bilbao?

February is the coldest month in Bilbao, with an average low of 5°C.

What is the record high temperature in Bilbao?

The record high at the Bilbao station is 44°C, set on August 23, 2023. The record low is -7°C, on January 9, 1985.

What is the sunniest month in Bilbao?

July is the sunniest month in Bilbao, with sunshine about 43% of daylight hours. June is the cloudiest.

When is the first frost in Bilbao?

The first fall freeze in Bilbao typically comes around December 5. The last spring freeze is around February 23.

What is the best time to visit Bilbao?

The most comfortable time to visit is typically April to October, when daytime highs sit near 23°C.