Kos, Greece: Annual Weather Averages
August is the hottest month in Kos with an average temperature of 26°C (79°F) and the coldest is February at 10°C (50°F) with the most daily sunshine hours at 10 in August. The wettest month is January with an average of 169mm of rain. The best month to swim in the sea is in August when the average sea temperature is 26°C (79°F).
Average Temperature: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 11 | 10 | 12 | 15 | 20 | 23 | 25 | 26 | 23 | 19 | 15 | 12 |
| °F | 52 | 50 | 54 | 59 | 68 | 73 | 77 | 79 | 73 | 66 | 59 | 54 |
Average High/Low Temperature: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 13 | 12 | 14 | 18 | 23 | 27 | 29 | 29 | 26 | 22 | 18 | 14 |
| Low °C | 8 | 8 | 9 | 12 | 16 | 19 | 21 | 22 | 19 | 16 | 12 | 9 |
| High °F | 55 | 54 | 57 | 64 | 73 | 81 | 84 | 84 | 79 | 72 | 64 | 57 |
| Low °F | 46 | 46 | 48 | 54 | 61 | 66 | 70 | 72 | 66 | 61 | 54 | 48 |
Average Day/Night Temperature: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day °C | 12 | 13 | 14 | 17 | 21 | 25 | 27 | 27 | 24 | 21 | 17 | 13 |
| Night °C | 11 | 12 | 13 | 16 | 20 | 23 | 26 | 26 | 24 | 20 | 16 | 12 |
| Day °F | 53 | 55 | 57 | 62 | 69 | 77 | 81 | 81 | 76 | 69 | 63 | 55 |
| Night °F | 51 | 54 | 56 | 61 | 68 | 74 | 78 | 79 | 74 | 68 | 61 | 54 |
Average Rainfall: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 169 | 115 | 76 | 35 | 21 | 8 | 2 | 5 | 17 | 59 | 91 | 164 |
| Days | 12 | 10 | 9 | 5 | 7 | 3 | 3 | 3 | 3 | 6 | 8 | 12 |
Average Daily Sunshine Hours: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 5 | 6 | 6 | 7 | 9 | 10 | 10 | 10 | 8 | 7 | 6 | 4 |
Average Sea Temperature: Kos
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 17 | 16 | 16 | 17 | 19 | 22 | 24 | 26 | 25 | 23 | 20 | 18 |
| °F | 63 | 61 | 61 | 63 | 66 | 72 | 75 | 79 | 77 | 73 | 68 | 64 |
