Cascais, Portugal: Annual Weather Averages
August is the hottest month in Cascais with an average temperature of 23.25°C (74°F) and the coldest is January at 11.7°C (53°F) with the most daily sunshine hours at 11 in August. The wettest month is November with an average of 113.9mm of rain. The best month to swim in the sea is in August when the average sea temperature is 20.96897333°C (70°F).
Average Temperature: Cascais
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 12 | 13 | 14 | 15 | 18 | 21 | 23 | 23 | 22 | 19 | 15 | 12 |
°F | 53 | 55 | 58 | 60 | 64 | 69 | 73 | 74 | 72 | 66 | 59 | 54 |
Average High/Low Temperature: Cascais
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
High °C | 15 | 16 | 18 | 19 | 22 | 25 | 28 | 28 | 27 | 23 | 18 | 15 |
Low °C | 9 | 9 | 10 | 12 | 14 | 16 | 18 | 18 | 18 | 15 | 12 | 9 |
High °F | 59 | 61 | 64 | 67 | 72 | 77 | 82 | 83 | 80 | 73 | 65 | 59 |
Low °F | 47 | 49 | 51 | 53 | 56 | 61 | 64 | 65 | 64 | 59 | 53 | 49 |
Average Rainfall: Cascais
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 108 | 109 | 66 | 65 | 38 | 20 | 5 | 6 | 26 | 80 | 114 | 108 |
Days | 11 | 11 | 9 | 9 | 8 | 24 | 26 | 27 | 24 | 9 | 10 | 11 |
Average Daily Sunshine Hours: Cascais
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hours | 5 | 7 | 7 | 8 | 9 | 11 | 11 | 11 | 8 | 6 | 5 | 4 |
Average Sea Temperature: Cascais
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 16 | 16 | 16 | 16 | 17 | 19 | 20 | 21 | 20 | 20 | 19 | 17 |
°F | 61 | 60 | 60 | 61 | 63 | 66 | 68 | 70 | 69 | 67 | 66 | 63 |