Monthly climate guide
Basauri weather in December
With highs near 11°C (52°F) and lows around 4°C (38°F), December feels cool in Basauri. Rainfall averages about 95 mm (wet) and the sky is often cloudy. Daytime highs are 2°C cooler than November and 2°C warmer than January.
What stands out in December
- In Basauri, December is early winter.
- Expect more cloud than at any other time of year.
- Just 40 km apart, but Basauri runs about 2°C cooler than Ondarroa this month.
- Only 2 months are cooler in Basauri than December.
Avg high
11°C
52°F
Avg low
4°C
38°F
Rainfall
95 mm
wet
Humidity
84%
relative
Sky
80%
cloud · often cloudy
Basauri weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 9°C / 49°F | 3°C / 37°F | 117 mm | 86% | 83% |
| February | 10°C / 50°F | 2°C / 36°F | 113 mm | 83% | 79% |
| March | 13°C / 55°F | 4°C / 39°F | 88 mm | 80% | 74% |
| April | 15°C / 60°F | 6°C / 43°F | 83 mm | 79% | 72% |
| May | 18°C / 65°F | 9°C / 48°F | 66 mm | 79% | 72% |
| June | 22°C / 71°F | 12°C / 53°F | 60 mm | 78% | 69% |
| July | 24°C / 75°F | 14°C / 57°F | 47 mm | 78% | 64% |
| August | 25°C / 77°F | 14°C / 57°F | 34 mm | 74% | 63% |
| September | 23°C / 73°F | 13°C / 55°F | 48 mm | 74% | 63% |
| October | 19°C / 66°F | 10°C / 49°F | 73 mm | 75% | 70% |
| November | 13°C / 56°F | 6°C / 43°F | 127 mm | 83% | 79% |
| December | 11°C / 52°F | 4°C / 38°F | 95 mm | 84% | 80% |
What to pack for December
- A proper insulated winter coat
- A hat, scarf and gloves
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Basauri?
Compare the months in the chart above to find your ideal window.
Best time to visit Basauri →Other Spain cities in December
Cite or embed this data
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Basauri weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/basauri/december
<a href="https://weathercompare.eu/weather/spain/basauri/december">Basauri weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/basauri" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Basauri weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/basauri/december">Basauri weather in December</a> – WeatherCompare</p>
Basauri in December: quick answers
Is December a good time to visit Basauri?
December is cool in Basauri, with highs around 11°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Basauri in December?
Average highs are about 11°C (52°F) and average lows about 4°C (38°F), based on 10 years of daily data.
Does it rain a lot in Basauri in December?
Basauri typically gets around 95 mm of rain in December — wet.
Figures are long-term averages for the area around Basauri (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.