Bilbao Climate by Month
Bilbao, Basque Country, Spain
Warm summers and mild winters, with rain spread through the year.
Bilbao has warm summers and mild winters, with rain spread through the year. Expect highs of 80°F (26°C) in August and 56°F (14°C) in January, with the coldest nights (February) near 41°F (5°C). It gets 45 in (1145 mm) of rain a year, spread across the months.
- Warmest month
- 80°F(26°C)
- Average high, August
- Coldest nights
- 41°F(5°C)
- Average low, February
- Rain per year
- 45 in(1145 mm)
- No clear rainy season
- Humidity
- 73%
- Sunniest: July
Best and worst months in Bilbao
Best for weatherThe most comfortable weather comes in June, July and September, with highs around 77°F (25°C) and about 2.3 in (58 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 56°F (14°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Bilbao weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 56°F(14°C) | 42°F(6°C) | 5.3 in(134 mm) | 76% | 1.3 |
| FebFebruary | 58°F(14°C) | 41°F(5°C) | 4.0 in(102 mm) | 66% | 2.1 |
| MarMarch | 62°F(17°C) | 44°F(7°C) | 3.9 in(99 mm) | 73% | 3.4 |
| AprApril | 64°F(18°C) | 47°F(8°C) | 4.2 in(106 mm) | 74% | 4.4 |
| MayMay | 70°F(21°C) | 51°F(11°C) | 3.0 in(76 mm) | 72% | 5.4 |
| JunJuneBest | 75°F(24°C) | 57°F(14°C) | 2.4 in(62 mm) | 74% | 5.5 |
| JulJulyBest | 78°F(26°C) | 60°F(16°C) | 2.0 in(51 mm) | 74% | 5.5 |
| AugAugust | 80°F(26°C) | 60°F(16°C) | 2.9 in(73 mm) | 72% | 5.1 |
| SepSeptemberBest | 76°F(25°C) | 57°F(14°C) | 2.4 in(61 mm) | 72% | 3.8 |
| OctOctober | 71°F(22°C) | 53°F(12°C) | 4.5 in(115 mm) | 69% | 2.6 |
| NovNovember | 62°F(17°C) | 47°F(8°C) | 6.2 in(157 mm) | 77% | 1.5 |
| DecDecember | 57°F(14°C) | 44°F(7°C) | 4.3 in(109 mm) | 72% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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