Climate at a glance · Bilbao
Annual mean60°day and night
Precipitation46.30 ina year
Warmest monthAugustavg high 79°
Coldest monthJanuaryavg low 43°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
46.30 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 55° | 59° | 61° | 64° | 68° | 75° | 77° | 79° | 77° | 73° | 63° | 57° |
| Avg low | 43° | 43° | 46° | 48° | 52° | 61° | 61° | 63° | 59° | 55° | 48° | 46° |
| Precip, in | 5.83 | 3.82 | 3.70 | 3.35 | 2.95 | 2.56 | 1.65 | 1.77 | 3.66 | 3.78 | 7.56 | 5.67 |
| 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 | 57° | 56° | 56° | 58° | 62° | 67° | 73° | 72° | 70° | 66° | 62° | 59° |
| 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