Climate averages 1991–2020
Santander weather
in December.
A cool, wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Santander: daytime highs average 13.3°C and nights cool to about 7.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 114 mm of rain on roughly 14 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 01 min on an average December day.
The nearest other city in this atlas is Barakaldo (69 km away). In December its highs average 12.7°C, 0.6°C cooler than Santander, with 105 mm of rain.
Among the 93 cities listed in Spain, Santander ranks 38th of 93 for the warmest December highs and joint 82nd of 93 for the driest December (rainfall, lowest first). The mean December high of those 93 cities is 13.1°C; Santander is 0.1°C warmer than that mean.
From December to January, average highs fall by 0.7°C to 12.5°C, and monthly rainfall rises from 114 mm to 115 mm.
The annual picture
December 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
Santander climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.5°C6.1°C | 6.1°C | 115 | 14.7 | 9.49 h |
| February | 13.1°C5.8°C | 5.8°C | 104 | 13.0 | 10.510 h |
| March | 15.3°C7.3°C | 7.3°C | 104 | 12.9 | 11.912 h |
| April | 16.6°C8.8°C | 8.8°C | 103 | 14.8 | 13.413 h |
| May | 19.3°C11.6°C | 11.6°C | 86 | 14.1 | 14.715 h |
| June | 21.8°C14.4°C | 14.4°C | 68 | 10.9 | 15.415 h |
| July | 23.7°C16.5°C | 16.5°C | 54 | 10.3 | 15.115 h |
| August | 24.4°C17.1°C | 17.1°C | 60 | 10.3 | 14.014 h |
| September | 22.6°C15.3°C | 15.3°C | 78 | 11.3 | 12.613 h |
| October | 19.9°C12.9°C | 12.9°C | 109 | 13.3 | 11.111 h |
| November | 15.4°C9.4°C | 9.4°C | 150 | 15.8 | 9.710 h |
| December, selected | 13.3°C7.1°C | 7.1°C | 114 | 13.9 | 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
December in nearby cities
- Barakaldo in DecemberSpain · 69 kmHigh 12.7°C · Low 7.9°C · 105 mm rain
- Bilbao in DecemberSpain · 75 kmHigh 12.6°C · Low 8.1°C · 105 mm rain
- Gasteiz / Vitoria in DecemberSpain · 115 kmHigh 9.1°C · Low 2.1°C · 70 mm rain
- Burgos in DecemberSpain · 125 kmHigh 7.5°C · Low 1.1°C · 56 mm rain
- Donostia / San Sebastián in DecemberSpain · 149 kmHigh 11.9°C · Low 7.5°C · 138 mm rain
- Gijón in DecemberSpain · 150 kmHigh 13.0°C · Low 6.9°C · 121 mm rain
- Logroño in DecemberSpain · 156 kmHigh 9.9°C · Low 2.8°C · 49 mm rain
- Oviedo in DecemberSpain · 165 kmHigh 12.0°C · Low 4.0°C · 102 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 Santander) is explained once on the Santander year overview and on the Sources, method and limits page.