Aveiro, Portugal: Annual Weather Averages
August is the hottest month in Aveiro with an average temperature of 70°F (21°C) and the coldest is January at 55°F (13°C). The wettest month is October with an average of 114.3mm of rain. The best month to swim in the sea is in August when the average sea temperature is 68°F (20°C).
Average Temperature: Aveiro
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 13 | 13 | 14 | 15 | 17 | 19 | 21 | 21 | 20 | 18 | 16 | 14 |
| °F | 55 | 55 | 57 | 59 | 63 | 66 | 70 | 70 | 68 | 64 | 61 | 57 |
Average High/Low Temperature: Aveiro
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 13 | 13 | 14 | 15 | 17 | 20 | 22 | 22 | 21 | 18 | 16 | 14 |
| High °F | 55 | 55 | 57 | 59 | 63 | 68 | 72 | 72 | 70 | 64 | 61 | 57 |
| Low °C | 13 | 13 | 14 | 15 | 16 | 19 | 20 | 20 | 20 | 18 | 16 | 14 |
| Low °F | 55 | 55 | 57 | 59 | 61 | 66 | 68 | 68 | 68 | 64 | 61 | 57 |
Average Rainfall: Aveiro
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 13 | 13 | 75 | 95 | 69 | 40 | 12 | 10 | 41 | 114 | 16 | 14 |
| Days | 13 | 13 | 16 | 13 | 18 | 20 | 23 | 25 | 21 | 17 | 16 | 14 |
Average Sea Temperature: Aveiro
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 13 | 13 | 15 | 15 | 16 | 18 | 19 | 20 | 19 | 18 | 16 | 14 |
| °F | 55 | 55 | 59 | 59 | 61 | 64 | 66 | 68 | 66 | 64 | 61 | 57 |