Aveiro Weather in January
Aveiro in January sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 7°C (45°F). Rainfall is fairly high this month at around 134 mm (5.3 in), so pack a rain jacket to stay dry.
Rainfall in Aveiro in January
Typically, you can expect about 17 days of rain this month, with 134 mm (5.3 in) on average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Aveiro in January
Temperatures in Aveiro in January top out at 15°C (59°F) and drop to 7°C (45°F) overnight. During January, you'll experience the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. With the most moderate temperatures of the year, January offers a break from extremes.
Sunshine in Aveiro in January
The area experiences a moderate amount of sunshine, with approximately 142 hours of sunlight expected. This means a decent mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Aveiro.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Aveiro's climate page.
Aveiro Temperature in January
Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Chance of Rain
56%
Precipitation
134 mm (5.3 in)
Rainy days
17 days
Humidity
78% *
Sunshine
142 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Aveiro typically stay consistent throughout January, with daily highs averaging around 15°C (59°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in January
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Aveiro in January
Browse day-by-day weather records for Aveiro spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aveiro historical weather extremes in January
Based on weather observations in Aveiro between 2000 and 2025, these are the recorded extremes during January.
- On January 1, 2022, temperatures climbed to 23°C (73°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 4°C (39°F), recorded on January 10, 2010.
- The coldest night in January in Aveiro was on January 9, 2021, with a minimum of -2°C (28°F).
- The wettest January day on record brought 61 mm (2.4 in) of precipitation to Aveiro (January 10, 2016).
Best Places in Portugal in January
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Aveiro in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Aveiro in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Aveiro's climate page.
Temperature Rainfall Sunshine Humidity
See the full Aveiro climate overview or explore weather in Portugal.
