Portugal, Portugal: Annual Weather Averages
The wettest month is December with an average of 117.2mm of rain. The best month to swim in the sea is in September when the average sea temperature is 19.9°C (68°F).
Average High/Low Temperature: Portugal
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 16 | 18 | 21 | 23 | 25 | 28 | 33 | 32 | 29 | 25 | 20 | 17 |
| Low °C | 6 | 7 | 9 | 11 | 14 | 17 | 19 | 19 | 17 | 14 | 11 | 9 |
| High °F | 61 | 64 | 70 | 73 | 77 | 82 | 91 | 90 | 84 | 77 | 68 | 63 |
| Low °F | 43 | 45 | 48 | 52 | 57 | 63 | 66 | 66 | 63 | 57 | 52 | 48 |
Average Rainfall: Portugal
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 85 | 25 | 40 | 38 | 32 | 11 | 5 | 1 | 58 | 57 | 72 | 117 |
| Days | 9 | 5 | 6 | 8 | 7 | 23 | 1 | 0 | 5 | 8 | 7 | 12 |
Average Sea Temperature: Portugal
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 16 | 15 | 15 | 16 | 17 | 19 | 19 | 20 | 20 | 20 | 18 | 17 |
| °F | 60 | 59 | 59 | 61 | 63 | 65 | 66 | 67 | 68 | 68 | 65 | 62 |