Sliema, Malta: Annual Weather Averages

August is the hottest month in Sliema with an average temperature of 26.5°C (80°F) and the coldest is January at 12.5°C (55°F). The wettest month is December with an average of 110mm of rain. The best month to swim in the sea is in March when the average sea temperature is 29°C (84°F).

Average Temperature: Sliema

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13 13 14 16 19 23 26 27 24 21 17 14
°F 55 55 56 60 66 73 79 80 75 70 63 57

Average High/Low Temperature: Sliema

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 15 16 17 19 23 28 31 31 28 25 20 17
Low °C 10 10 10 12 15 18 21 22 20 17 14 11
High °F 59 61 63 66 73 82 88 88 82 77 68 63
Low °F 50 50 50 54 59 64 70 72 68 63 57 52

Average Rainfall: Sliema

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 90 60 40 30 10 10 10 10 30 80 90 110
Days 17 13 11 10 6 3 1 3 8 11 15 19

Average Sea Temperature: Sliema

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28 28 29 29 29 28 26 25 25 27 29 29
°F 82 82 84 84 84 82 79 77 77 81 84 84

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