Interlaken, Switzerland: Annual Weather Averages

July is the hottest month in Interlaken with an average temperature of 18.5°C (65°F) and the coldest is January at -0.5°C (31°F) with the most daily sunshine hours at 8 in July. The wettest month is July with an average of 140mm of rain. .

Average Temperature: Interlaken

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1 1 5 8 12 15 19 18 15 10 4 1
°F 31 33 40 46 54 59 65 64 59 50 39 33

Average High/Low Temperature: Interlaken

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 3 3 6 8 13 16 19 19 16 12 6 4
Low °C -3 -3 0 3 7 10 13 12 10 6 1 -2
High °F 37 37 43 46 55 61 66 66 61 54 43 39
Low °F 27 27 32 37 45 50 55 54 50 43 34 28

Average Rainfall: Interlaken

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 70 80 70 100 130 120 140 140 100 70 80 70
Days 6 4 4 6 6 6 5 5 6 6 6 5

Average Daily Sunshine Hours: Interlaken

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 2 3 5 6 7 8 8 7 6 4 2 1

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