Monthly climate guide
Ondarroa weather in January
January in Ondarroa is typically cool, with average daytime highs around 12°C (53°F) and night-time lows near 9°C (47°F). The month usually brings about 147 mm of rain (wet) and is often cloudy. Daytime highs are 2°C cooler than December and about the same as February.
What stands out in January
- Ondarroa is usually about 2°C warmer than Basauri, 40 km away, in January.
- It's one of the greyest months, with cloud cover near 83%.
- Days and nights are close, only about 3°C apart.
- January is among Ondarroa's three coolest months.
January is typically Ondarroa's coolest month.
Avg high
12°C
53°F
Avg low
9°C
47°F
Rainfall
147 mm
wet
Humidity
80%
relative
Sky
83%
cloud · often cloudy
Ondarroa weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 12°C / 53°F | 9°C / 47°F | 147 mm | 80% | 83% |
| February | 12°C / 53°F | 8°C / 46°F | 126 mm | 79% | 79% |
| March | 13°C / 56°F | 9°C / 49°F | 101 mm | 79% | 74% |
| April | 15°C / 59°F | 11°C / 52°F | 93 mm | 79% | 72% |
| May | 17°C / 63°F | 13°C / 56°F | 76 mm | 80% | 72% |
| June | 20°C / 68°F | 16°C / 61°F | 71 mm | 80% | 69% |
| July | 23°C / 73°F | 19°C / 66°F | 50 mm | 78% | 64% |
| August | 24°C / 74°F | 19°C / 67°F | 37 mm | 74% | 63% |
| September | 22°C / 72°F | 18°C / 65°F | 55 mm | 73% | 63% |
| October | 20°C / 67°F | 15°C / 60°F | 88 mm | 74% | 70% |
| November | 16°C / 60°F | 12°C / 53°F | 156 mm | 78% | 79% |
| December | 13°C / 56°F | 10°C / 49°F | 128 mm | 79% | 80% |
What to pack for January
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is January a good time to visit Ondarroa?
Compare the months in the chart above to find your ideal window.
Best time to visit Ondarroa →Other Spain cities in January
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Ondarroa weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/ondarroa/january
<a href="https://weathercompare.eu/weather/spain/ondarroa/january">Ondarroa weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/ondarroa" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Ondarroa weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/ondarroa/january">Ondarroa weather in January</a> – WeatherCompare</p>
Ondarroa in January: quick answers
Is January a good time to visit Ondarroa?
January is cool in Ondarroa, with highs around 12°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Ondarroa in January?
Average highs are about 12°C (53°F) and average lows about 9°C (47°F), based on 10 years of daily data.
Does it rain a lot in Ondarroa in January?
Ondarroa typically gets around 147 mm of rain in January — wet.
Figures are long-term averages for the area around Ondarroa (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.