Honolulu, USA: Annual Weather Averages

. The most daily sunshine hours in Honolulu are 11 in July. The wettest month is January with an average of 61.2mm of rain. The best month to swim in the sea is in August when the average sea temperature is 27°C (81°F).

Average High/Low Temperature: Honolulu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 27 27 27 28 29 31 31 32 32 31 29 27
Low °C 19 19 20 21 22 23 24 24 24 23 22 20
High °F 81 81 81 82 84 88 88 90 90 88 84 81
Low °F 66 66 68 70 72 73 75 75 75 73 72 68

Average Rainfall: Honolulu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 61 46 53 18 28 5 3 13 14 20 41 45
Days 14 13 16 13 10 8 9 8 11 11 13 11

Average Daily Sunshine Hours: Honolulu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 8 8 9 9 11 11 11 10 10 9 9 8

Average Sea Temperature: Honolulu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25 24 24 25 25 26 26 27 27 27 26 25
°F 77 75 75 77 77 79 79 81 81 81 79 77

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