Monthly climate guide
Comillas weather in December
December in Comillas is typically cool, with average daytime highs around 14°C (57°F) and night-time lows near 10°C (50°F). The month usually brings about 134 mm of rain (wet) and is often cloudy. Daytime highs are 2°C cooler than November and 2°C warmer than January.
What stands out in December
- In Comillas, December is early winter.
- Comillas is usually about 6°C warmer than Reinosa, 40 km away, in December.
- It's wetter than a typical month in Comillas — roughly 43% more rain than average.
- Days and nights are close, only about 4°C apart.
Avg high
14°C
57°F
Avg low
10°C
50°F
Rainfall
134 mm
wet
Humidity
76%
relative
Sky
79%
cloud · often cloudy
Comillas weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 12°C / 54°F | 9°C / 48°F | 147 mm | 78% | 82% |
| February | 12°C / 54°F | 8°C / 47°F | 138 mm | 77% | 80% |
| March | 14°C / 56°F | 9°C / 48°F | 110 mm | 76% | 77% |
| April | 15°C / 59°F | 11°C / 51°F | 91 mm | 77% | 76% |
| May | 17°C / 63°F | 13°C / 55°F | 65 mm | 78% | 73% |
| June | 20°C / 69°F | 15°C / 60°F | 59 mm | 77% | 73% |
| July | 23°C / 73°F | 18°C / 64°F | 41 mm | 76% | 68% |
| August | 24°C / 75°F | 19°C / 65°F | 35 mm | 72% | 67% |
| September | 22°C / 72°F | 18°C / 64°F | 52 mm | 71% | 68% |
| October | 20°C / 68°F | 15°C / 59°F | 103 mm | 71% | 72% |
| November | 16°C / 60°F | 12°C / 53°F | 150 mm | 75% | 79% |
| December | 14°C / 57°F | 10°C / 50°F | 134 mm | 76% | 79% |
What to pack for December
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Comillas?
Compare the months in the chart above to find your ideal window.
Best time to visit Comillas →Other Spain cities in December
Cite or embed this data
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Comillas weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/comillas/december
<a href="https://weathercompare.eu/weather/spain/comillas/december">Comillas weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/comillas" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Comillas weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/comillas/december">Comillas weather in December</a> – WeatherCompare</p>
Comillas in December: quick answers
Is December a good time to visit Comillas?
December is one of the wetter months in Comillas, with about 134 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Comillas in December?
Average highs are about 14°C (57°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Comillas in December?
Comillas typically gets around 134 mm of rain in December — wet.
Figures are long-term averages for the area around Comillas (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.