Heraklion, Greece: Annual Weather Averages
July is the hottest month in Heraklion with an average temperature of 25°C (77°F) and the coldest is January at 12°C (54°F) with the most daily sunshine hours at 12 in July. The wettest month is December with an average of 100mm of rain. The best month to swim in the sea is in August when the average sea temperature is 26.1°C (79°F).
Average Temperature: Heraklion
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 12 | 12 | 13 | 16 | 19 | 23 | 25 | 25 | 23 | 20 | 17 | 14 |
| °F | 54 | 54 | 55 | 61 | 66 | 73 | 77 | 77 | 73 | 68 | 62 | 56 |
Average High/Low Temperature: Heraklion
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 15 | 15 | 16 | 20 | 23 | 27 | 28 | 28 | 26 | 23 | 19 | 16 |
| Low °C | 9 | 9 | 10 | 12 | 15 | 19 | 22 | 22 | 19 | 17 | 14 | 11 |
| High °F | 59 | 59 | 61 | 68 | 73 | 81 | 82 | 82 | 79 | 73 | 66 | 61 |
| Low °F | 48 | 48 | 50 | 54 | 59 | 66 | 72 | 72 | 66 | 63 | 57 | 52 |
Average Rainfall: Heraklion
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 80 | 80 | 50 | 40 | 20 | 10 | 10 | 10 | 10 | 50 | 80 | 100 |
| Days | 14 | 12 | 9 | 6 | 4 | 1 | 0 | 0 | 2 | 6 | 10 | 14 |
Average Daily Sunshine Hours: Heraklion
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 4 | 4 | 6 | 8 | 10 | 12 | 12 | 11 | 9 | 6 | 5 | 4 |
Average Sea Temperature: Heraklion
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 17 | 16 | 17 | 17 | 20 | 23 | 25 | 26 | 25 | 23 | 21 | 18 |
| °F | 63 | 62 | 62 | 63 | 67 | 73 | 78 | 79 | 78 | 74 | 69 | 65 |
