Monthly climate guide
Aveiro weather in January
January in Aveiro is typically cool, with average daytime highs around 14°C (57°F) and night-time lows near 8°C (46°F). The month usually brings about 116 mm of rain (wet) and is a mix of sun and cloud. Daytime highs are about the same as December and about the same as February.
What stands out in January
- Rain is above Aveiro's usual level, by about 51%.
- Just 50 km apart, but Aveiro runs about 2°C warmer than Coimbra this month.
- Expect more cloud than at any other time of year.
- Seasonally, January counts as mid-winter in Aveiro.
January is typically Aveiro's coolest month.
Avg high
14°C
57°F
Avg low
8°C
46°F
Rainfall
116 mm
wet
Humidity
86%
relative
Sky
53%
cloud · a mix of sun and cloud
Aveiro weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 8°C / 46°F | 116 mm | 86% | 53% |
| February | 14°C / 58°F | 8°C / 46°F | 90 mm | 83% | 49% |
| March | 16°C / 61°F | 9°C / 47°F | 99 mm | 81% | 50% |
| April | 18°C / 64°F | 11°C / 51°F | 98 mm | 81% | 54% |
| May | 21°C / 70°F | 13°C / 55°F | 71 mm | 77% | 45% |
| June | 23°C / 74°F | 14°C / 58°F | 27 mm | 74% | 43% |
| July | 26°C / 79°F | 16°C / 61°F | 8 mm | 73% | 33% |
| August | 26°C / 79°F | 16°C / 61°F | 16 mm | 72% | 31% |
| September | 26°C / 78°F | 16°C / 60°F | 48 mm | 71% | 35% |
| October | 22°C / 72°F | 14°C / 57°F | 109 mm | 75% | 46% |
| November | 17°C / 62°F | 11°C / 51°F | 137 mm | 84% | 52% |
| December | 15°C / 59°F | 9°C / 47°F | 101 mm | 85% | 52% |
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 Aveiro?
Compare the months in the chart above to find your ideal window.
Best time to visit Aveiro →Other Portugal cities in January
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Aveiro weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/portugal/aveiro/january
<a href="https://weathercompare.eu/weather/portugal/aveiro/january">Aveiro weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/portugal/aveiro" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Aveiro weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/portugal/aveiro/january">Aveiro weather in January</a> – WeatherCompare</p>
Aveiro in January: quick answers
Is January a good time to visit Aveiro?
January is one of the wetter months in Aveiro, with about 116 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Aveiro in January?
Average highs are about 14°C (57°F) and average lows about 8°C (46°F), based on 10 years of daily data.
Does it rain a lot in Aveiro in January?
Aveiro typically gets around 116 mm of rain in January — wet.
Figures are long-term averages for the area around Aveiro (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.