Our verdict
The best time to visit Bilbao is September
In the summer months, temperatures tend to get to a maximum of around 25℃ (78℉). The weather at night in the winter can get down to temperatures as low as 4℃ (39℉).
The longest days between sunrise and sunset in Bilbao are usually in July, so if you want to get the most out of your daytime activities, be sure to plan your visit around this time. November sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in August instead.
Keep reading to learn more about the best times to go to Bilbao, including detailed weather information and tools to help you find and book great deals on your travel.
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Bilbao seasons
Before you continue, it’s important to know when the seasons are in Bilbao as they might be different to yours depending on where in the world you’re travelling from. Bilbao is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Bilbao
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Bilbao for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Bilbao climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Bilbao for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Bilbao in January
- Average temperature: 9℃ (48℉)
- Average high temperature: 11℃ (51℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 78%
- Average sunny days: 10 days
- Average rainfall: 84mm (3") over 19 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in January, make sure you pack a warm jacket or coat.
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Bilbao in February
- Average temperature: 9℃ (48℉)
- Average high temperature: 11℃ (52℉)
- Average low temperature: 7℃ (44℉)
- Average humidity: 76%
- Average sunny days: 10 days
- Average rainfall: 63mm (2") over 16 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in February, make sure you pack a warm jacket or coat.
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Bilbao in March
- Average temperature: 10℃ (51℉)
- Average high temperature: 13℃ (56℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 75%
- Average sunny days: 10 days
- Average rainfall: 54mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in March, make sure you pack a warm jacket or coat.
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Bilbao in April
- Average temperature: 12℃ (54℉)
- Average high temperature: 15℃ (59℉)
- Average low temperature: 9℃ (49℉)
- Average humidity: 77%
- Average sunny days: 9 days
- Average rainfall: 43mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in April, make sure you pack a warm jacket or coat.
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Bilbao in May
- Average temperature: 14℃ (58℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 79%
- Average sunny days: 9 days
- Average rainfall: 50mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in May, make sure you pack a warm jacket or coat.
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Bilbao in June
- Average temperature: 17℃ (63℉)
- Average high temperature: 20℃ (68℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 80%
- Average sunny days: 10 days
- Average rainfall: 44mm (2") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in June, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Bilbao in July
- Average temperature: 19℃ (67℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 79%
- Average sunny days: 10 days
- Average rainfall: 34mm (1") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in July, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Bilbao in August
- Average temperature: 20℃ (68℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 76%
- Average sunny days: 13 days
- Average rainfall: 29mm (1") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Bilbao in September
- Average temperature: 18℃ (65℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 75%
- Average sunny days: 13 days
- Average rainfall: 31mm (1") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in September, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
Bilbao in October
- Average temperature: 16℃ (61℉)
- Average high temperature: 19℃ (67℉)
- Average low temperature: 14℃ (56℉)
- Average humidity: 73%
- Average sunny days: 15 days
- Average rainfall: 35mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in October, make sure you pack a light jumper or hoodie.
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Bilbao in November
- Average temperature: 12℃ (54℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 10℃ (51℉)
- Average humidity: 76%
- Average sunny days: 9 days
- Average rainfall: 103mm (4") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in November, make sure you pack a warm jacket or coat.
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Bilbao in December
- Average temperature: 10℃ (50℉)
- Average high temperature: 12℃ (54℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 75%
- Average sunny days: 12 days
- Average rainfall: 54mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Bilbao in December, make sure you pack a warm jacket or coat.
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