Honolulu weather in May
May is one of the best months to visit Honolulu: highs of 26°C (79°F) and about 47 mm (1.9 in) of rain on average. Nights average 23°C (73°F) and cloud cover 50% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the 6th warmest. Compared with April, it is warmer and about as wet; June brings highs of 27°C (80°F) and 37 mm (1.5 in) of rain.
Is May a good time to visit Honolulu?
best month Weather score 82/100.
Yes. May is one of the best months for weather in Honolulu.
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Does it rain a lot in Honolulu in May?
No, it is usually dry: about 47 mm (1.9 in) falls in an average May. It is the 4th driest month of the year.
How warm is Honolulu in May?
Days average 26°C (79°F) and nights 23°C (73°F).
Honolulu weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 24°C (76°F) | 22°C (71°F) | 71 mm | 52% | fair |
| February | 24°C (75°F) | 21°C (70°F) | 82 mm | 57% | least pleasant |
| March | 24°C (76°F) | 21°C (71°F) | 94 mm | 61% | least pleasant |
| April | 25°C (77°F) | 22°C (72°F) | 54 mm | 58% | fair |
| May | 26°C (79°F) | 23°C (73°F) | 47 mm | 50% | best |
| June | 27°C (80°F) | 24°C (75°F) | 37 mm | 48% | best |
| July | 27°C (81°F) | 24°C (76°F) | 40 mm | 47% | best |
| August | 28°C (82°F) | 25°C (77°F) | 44 mm | 47% | best |
| September | 28°C (82°F) | 25°C (77°F) | 50 mm | 47% | best |
| October | 27°C (81°F) | 25°C (76°F) | 73 mm | 56% | fair |
| November | 26°C (79°F) | 24°C (74°F) | 86 mm | 58% | least pleasant |
| December | 25°C (77°F) | 23°C (73°F) | 93 mm | 54% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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