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

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