Climate averages 1991–2020
San Fernando, Spain weather
in December.
A mild, wet month: the joint 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in San Fernando, Spain: daytime highs average 16.4°C and nights cool to about 10.2°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 100 mm of rain on roughly 8 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 43 min on an average December day.
The nearest other city in this atlas is Chiclana de la Frontera (8 km away). In December its highs average 16.3°C, about as warm as San Fernando, Spain, with 100 mm of rain.
Among the 93 cities listed in Spain, San Fernando, Spain ranks joint 11th of 93 for the warmest December highs and joint 76th of 93 for the driest December (rainfall, lowest first). The mean December high of those 93 cities is 13.1°C; San Fernando, Spain is 3.3°C warmer than that mean.
From December to January, average highs fall by 0.9°C to 15.5°C, and monthly rainfall falls from 100 mm to 74 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
San Fernando, Spain climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.5°C8.7°C | 8.7°C | 74 | 8.0 | 10.010 h |
| February | 16.4°C9.3°C | 9.3°C | 64 | 6.6 | 10.811 h |
| March | 18.4°C11.1°C | 11.1°C | 65 | 7.5 | 11.912 h |
| April | 20.0°C12.6°C | 12.6°C | 57 | 6.5 | 13.113 h |
| May | 23.2°C15.2°C | 15.2°C | 32 | 4.7 | 14.114 h |
| June | 27.1°C18.5°C | 18.5°C | 6.5 | 1.3 | 14.615 h |
| July | 30.2°C20.6°C | 20.6°C | 1.0 | 0.2 | 14.414 h |
| August | 30.4°C21.1°C | 21.1°C | 3.3 | 0.4 | 13.514 h |
| September | 27.2°C19.2°C | 19.2°C | 27 | 3.5 | 12.412 h |
| October | 23.4°C16.4°C | 16.4°C | 84 | 8.0 | 11.311 h |
| November | 18.8°C12.5°C | 12.5°C | 88 | 7.9 | 10.310 h |
| December, selected | 16.4°C10.2°C | 10.2°C | 100 | 8.3 | 9.710 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
- Chiclana de la Frontera in DecemberSpain · 8 kmHigh 16.3°C · Low 11.0°C · 100 mm rain
- Cadiz, Spain in DecemberSpain · 10 kmHigh 16.5°C · Low 9.6°C · 100 mm rain
- Jerez de la Frontera in DecemberSpain · 24 kmHigh 16.5°C · Low 8.0°C · 79 mm rain
- Algeciras in DecemberSpain · 77 kmHigh 16.2°C · Low 12.5°C · 117 mm rain
- Gibraltar in DecemberGibraltar · 84 kmHigh 15.8°C · Low 11.6°C · 114 mm rain
- Tangier in DecemberMorocco · 87 kmHigh 16.5°C · Low 10.7°C · 88 mm rain
- Dos Hermanas in DecemberSpain · 93 kmHigh 16.0°C · Low 7.4°C · 79 mm rain
- Alcalá de Guadaira in DecemberSpain · 101 kmHigh 16.0°C · Low 7.1°C · 73 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 San Fernando) is explained once on the San Fernando, Spain year overview and on the Sources, method and limits page.
Cadiz, Spain and Chiclana de la Frontera lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.