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 |
