Climate at a glance · Bilbao
Annual mean15°day and night
Precipitation1176 mma year
Warmest monthAugustavg high 26°
Coldest monthJanuaryavg low 6°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1176 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 13° | 15° | 16° | 18° | 20° | 24° | 25° | 26° | 25° | 23° | 17° | 14° |
| Avg low | 6° | 6° | 8° | 9° | 11° | 16° | 16° | 17° | 15° | 13° | 9° | 8° |
| Precip, mm | 148 | 97 | 94 | 85 | 75 | 65 | 42 | 45 | 93 | 96 | 192 | 144 |
| Wet days | 15 | 13 | 16 | 13 | 15 | 13 | 9 | 9 | 13 | 11 | 17 | 15 |
| Sunshine | 5.2 h | 6.5 h | 7.9 h | 8.9 h | 10.1 h | 9.7 h | 10.7 h | 9.9 h | 9.1 h | 7.3 h | 5.6 h | 5 h |
| Humidity | 80% | 79% | 75% | 76% | 80% | 80% | 79% | 78% | 78% | 77% | 81% | 81% |
| Sea temperature | 14° | 13° | 13° | 15° | 16° | 20° | 23° | 22° | 21° | 19° | 17° | 15° |
| Daylight | 9 h 24 | 10 h 32 | 11 h 57 | 13 h 26 | 14 h 42 | 15 h 20 | 15 h 01 | 13 h 54 | 12 h 29 | 11 h 01 | 9 h 43 | 9 h 02 |
| UV index (clear sky) | 2 | 4 | 6 | 8 | 10 | 11 | 10 | 9 | 7 | 5 | 3 | 2 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
43.2630°N, 2.9250°W