Thessaloniki, Greece: Annual Weather Averages
July is the hottest month in Thessaloniki with an average temperature of 25°C (77°F) and the coldest is January at 5.5°C (42°F) with the most daily sunshine hours at 12 in July. The wettest month is November with an average of 80mm of rain. The best month to swim in the sea is in July when the average sea temperature is 26.1°C (79°F).
Average Temperature: Thessaloniki
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 6 | 6 | 10 | 14 | 18 | 23 | 25 | 25 | 21 | 16 | 11 | 7 |
| °F | 42 | 43 | 49 | 56 | 64 | 73 | 77 | 76 | 70 | 61 | 51 | 44 |
Average High/Low Temperature: Thessaloniki
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 9 | 10 | 14 | 19 | 24 | 29 | 31 | 30 | 27 | 21 | 14 | 10 |
| Low °C | 2 | 2 | 5 | 8 | 12 | 17 | 19 | 19 | 15 | 11 | 7 | 3 |
| High °F | 48 | 50 | 57 | 66 | 75 | 84 | 88 | 86 | 81 | 70 | 57 | 50 |
| Low °F | 36 | 36 | 41 | 46 | 54 | 63 | 66 | 66 | 59 | 52 | 45 | 37 |
Average Rainfall: Thessaloniki
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 30 | 60 | 50 | 50 | 40 | 30 | 30 | 20 | 20 | 50 | 80 | 50 |
| Days | 8 | 7 | 9 | 10 | 9 | 6 | 5 | 4 | 7 | 8 | 10 | 11 |
Average Daily Sunshine Hours: Thessaloniki
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 4 | 5 | 5 | 8 | 9 | 10 | 12 | 11 | 8 | 6 | 4 | 4 |
Average Sea Temperature: Thessaloniki
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 14 | 14 | 13 | 15 | 19 | 24 | 26 | 26 | 25 | 21 | 18 | 15 |
| °F | 57 | 56 | 56 | 58 | 66 | 75 | 79 | 79 | 76 | 70 | 64 | 59 |
