
The Award-Winning Bilbao Food Tour & Wine Pairing by Basque Local
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Bilbao, Spain
Weather month by month, from 20 years of weather-station records.
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | 14°C / 5°C | 165 mm · 12 days | Wet |
| February | 15°C / 6°C | 129 mm · 10 days | Wet |
| March | 17°C / 7°C | 120 mm · 10 days | Wet |
| April | 19°C / 9°C | 82 mm · 8 days | Fair |
| May | 21°C / 11°C | 78 mm · 8 days | Great |
| June | 24°C / 14°C | 71 mm · 6 days | Great |
| July | 26°C / 16°C | 40 mm · 4 days | Great |
| August | 27°C / 16°C | 51 mm · 5 days | Great |
| September | 25°C / 14°C | 85 mm · 7 days | Great |
| October | 23°C / 12°C | 100 mm · 8 days | Great |
| November | 17°C / 9°C | 211 mm · 13 days | Wet |
| December | 15°C / 7°C | 132 mm · 11 days | Wet |
Spring brings mild temperatures (15-20°C) and blooming flowers, with fewer crowds than summer. Perfect for exploring the city and surrounding countryside.
Warm and sunny (20-25°C) with long days, festival season, and bustling outdoor terraces. The most popular and lively time to visit.
Crisp air and changing leaves create a beautiful backdrop, with cultural season beginning and food festivals celebrating local harvests.
Cool and damp (5-12°C) with festive Christmas markets and lights, plus the beginning of cider season in January.
In January, Bilbao averages highs of 14°C and lows of 5°C, with about 12 rainy days and 165 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
In February, Bilbao averages highs of 15°C and lows of 6°C, with about 10 rainy days and 129 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
In March, Bilbao averages highs of 17°C and lows of 7°C, with about 10 rainy days and 120 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
In April, Bilbao averages highs of 19°C and lows of 9°C, with about 8 rainy days and 82 mm of rain. Expect mixed weather, with comfortable spells.
In May, Bilbao averages highs of 21°C and lows of 11°C, with about 8 rainy days and 78 mm of rain. It is one of the most comfortable months for sightseeing.
In June, Bilbao averages highs of 24°C and lows of 14°C, with about 6 rainy days and 71 mm of rain. It is one of the most comfortable months for sightseeing.
In July, Bilbao averages highs of 26°C and lows of 16°C, with about 4 rainy days and 40 mm of rain. It is one of the most comfortable months for sightseeing.
In August, Bilbao averages highs of 27°C and lows of 16°C, with about 5 rainy days and 51 mm of rain. It is one of the most comfortable months for sightseeing.
In September, Bilbao averages highs of 25°C and lows of 14°C, with about 7 rainy days and 85 mm of rain. It is one of the most comfortable months for sightseeing.
In October, Bilbao averages highs of 23°C and lows of 12°C, with about 8 rainy days and 100 mm of rain. It is one of the most comfortable months for sightseeing.
In November, Bilbao averages highs of 17°C and lows of 9°C, with about 13 rainy days and 211 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
In December, Bilbao averages highs of 15°C and lows of 7°C, with about 11 rainy days and 132 mm of rain. It is one of the wetter months, so keep indoor plans in reserve.
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July is the most comfortable month on average, with highs of 26°C. August and May are close behind.
November is the wettest month, with about 211 mm of rain.
August is the warmest month, with average highs of 27°C and lows of 16°C. The coldest nights come in January, averaging 5°C.
Averages for 2006–2025 from the BILBAO AEROPUERTO weather station (5 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.