Honolulu: Weather Guide & Climate
Complete month-by-month weather guide: Honolulu. Best time to visit: April, May, September, October. Plan your trip with detailed climate data.
Climate Overview
Honolulu has a warm climate with average yearly highs of 28°C, lows of 23°C, and approximately 8 rainy days per month.
The best time to visit Honolulu is during April, May, September, October, when temperatures are comfortable and rainfall is moderate
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Air Quality
Best Time
Apr, May, Sep, Oct
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 26°C | 21°C | 9 | Good |
| February | 25°C | 21°C | 9 | Good |
| March | 25°C | 21°C | 13 | Wet |
| April | 27°C | 22°C | 9 | Excellent (best) |
| May | 28°C | 23°C | 7 | Excellent (best) |
| June | 29°C | 24°C | 6 | Good |
| July | 29°C | 24°C | 8 | Good |
| August | 30°C | 24°C | 1 | Good |
| September | 30°C | 24°C | 0 | Excellent (best) |
| October | 29°C | 24°C | 15 | Excellent (best) |
| November | 28°C | 23°C | 10 | Good |
| December | 27°C | 22°C | 5 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 26°C
Low: 21°C
Rainy days: 8 days/month
Spring
Mar–May
High: 27°C
Low: 22°C
Rainy days: 10 days/month
Summer
Jun–Aug
High: 29°C
Low: 24°C
Rainy days: 5 days/month
Autumn
Sep–Nov
High: 29°C
Low: 24°C
Rainy days: 8 days/month
Month-by-Month Weather Table
January
February
March
April
BestMay
BestJune
July
August
September
BestOctober
BestNovember
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 26°C | 21°C | 9 | Good | View Details → |
| February | 25°C | 21°C | 9 | Good | View Details → |
| March | 25°C | 21°C | 13 | Wet | View Details → |
| April (best) | 27°C | 22°C | 9 | Excellent | View Details → |
| May (best) | 28°C | 23°C | 7 | Excellent | View Details → |
| June | 29°C | 24°C | 6 | Good | View Details → |
| July | 29°C | 24°C | 8 | Good | View Details → |
| August | 30°C | 24°C | 1 | Good | View Details → |
| September (best) | 30°C | 24°C | 0 | Excellent | View Details → |
| October (best) | 29°C | 24°C | 15 | Excellent | View Details → |
| November | 28°C | 23°C | 10 | Good | View Details → |
| December | 27°C | 22°C | 5 | Good | View Details → |
Honolulu
Waikiki Beach with Waikiki Beach and Diamond Head hike,Pearl Harbor, volcanic crater hikes, and aloha spirit.
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Common Questions
What type of climate does Honolulu have?
Honolulu has a Warm climate with average yearly temperatures of 28°C (highs) and 23°C (lows).
When is the best time to visit Honolulu?
The best time to visit Honolulu is during April, May, September, October, when temperatures average around 27°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Honolulu?
The hottest month in Honolulu is August with average highs of 30°C, while the coldest is January with average lows of 21°C.
When is the rainy season in Honolulu?
Honolulu sees the most rain in October (15 rainy days), while September is the driest month (0 rainy days).
More Honolulu Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Honolulu: top things to do, itineraries, and typical costs.