Climate averages 1991–2020
Donostia / San Sebastián weather
in January.
A cool, wet month: the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Donostia / San Sebastián: daytime highs average 11.2°C and nights cool to about 6.5°C. By daytime temperature it is the coolest month of the year.
Expect about 135 mm of rain on roughly 15 days, which makes January a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 22 min on an average January day.
The nearest other city in this atlas is Pamplona (61 km away). In January its highs average 8.4°C, 2.8°C cooler than Donostia / San Sebastián, with 68 mm of rain.
Among the 93 cities listed in Spain, Donostia / San Sebastián ranks joint 61st of 93 for the warmest January highs and 89th of 93 for the driest January (rainfall, lowest first). The mean January high of those 93 cities is 12.5°C; Donostia / San Sebastián is 1.3°C cooler than that mean.
From January to February, average highs rise by 0.4°C to 11.6°C, and monthly rainfall falls from 135 mm to 123 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Donostia / San Sebastián climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 11.2°C6.5°C | 6.5°C | 135 | 15.4 | 9.49 h |
| February | 11.6°C6.3°C | 6.3°C | 123 | 14.1 | 10.510 h |
| March | 13.7°C7.8°C | 7.8°C | 114 | 13.9 | 11.912 h |
| April | 15.1°C9.2°C | 9.2°C | 127 | 16.1 | 13.413 h |
| May | 18.0°C12.0°C | 12.0°C | 117 | 15.4 | 14.715 h |
| June | 20.6°C14.7°C | 14.7°C | 93 | 12.7 | 15.315 h |
| July | 22.4°C16.7°C | 16.7°C | 82 | 12.6 | 15.115 h |
| August | 23.3°C17.4°C | 17.4°C | 89 | 12.9 | 14.014 h |
| September | 21.4°C15.6°C | 15.6°C | 96 | 12.9 | 12.513 h |
| October | 18.8°C13.3°C | 13.3°C | 128 | 14.3 | 11.111 h |
| November | 14.2°C9.6°C | 9.6°C | 170 | 15.7 | 9.810 h |
| December | 11.9°C7.5°C | 7.5°C | 138 | 15.1 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Pamplona in JanuarySpain · 61 kmHigh 8.4°C · Low 1.5°C · 68 mm rain
- Gasteiz / Vitoria in JanuarySpain · 77 kmHigh 8.5°C · Low 1.4°C · 76 mm rain
- Bilbao in JanuarySpain · 77 kmHigh 11.9°C · Low 7.2°C · 112 mm rain
- Barakaldo in JanuarySpain · 82 kmHigh 11.9°C · Low 7.0°C · 112 mm rain
- Logroño in JanuarySpain · 102 kmHigh 9.3°C · Low 2.0°C · 55 mm rain
- Pau in JanuaryFrance · 131 kmHigh 9.5°C · Low 1.7°C · 112 mm rain
- Santander in JanuarySpain · 149 kmHigh 12.5°C · Low 6.1°C · 115 mm rain
- Burgos in JanuarySpain · 177 kmHigh 6.8°C · Low 0.3°C · 54 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Donostia / San Sebastián) is explained once on the Donostia / San Sebastián year overview and on the Sources, method and limits page.