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Best Time to Visit United States — Hawaii
Climate based on Honolulu • 2015–2024
The best overall weather in United States — Hawaii is in August, with average highs around 29°C. The single best 14-day window: Aug 9 - Aug 22. The hottest month is August (29°C highs) and the coolest is February (25°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Aug 9 - Aug 22
14-day window • Avg 27°C • Warm
Alternative 1
Aug 29 - Sep 11
14-day window • Avg 27°C • Warm
Alternative 2
Jul 26 - Aug 8
14-day window • Avg 26°C • Warm
Month-by-month breakdown
January
Warm23°Cavg
- 25°C / 20°C
- 37mm total
- 10.1h sun/day
February
Comfortable22°Cavg
- 25°C / 20°C
- 50mm total
- 10.2h sun/day
March
Warm23°Cavg
- 25°C / 20°C
- 56mm total
- 10.5h sun/day
April
Warm24°Cavg
- 26°C / 21°C
- 45mm total
- 11.5h sun/day
May
Warm24°Cavg
- 27°C / 22°C
- 42mm total
- 12.3h sun/day
June
Warm26°Cavg
- 28°C / 23°C
- 26mm total
- 12.8h sun/day
July
Warm26°Cavg
- 29°C / 24°C
- 20mm total
- 12.7h sun/day
August
Warm27°Cavg
- 29°C / 24°C
- 37mm total
- 12.3h sun/day
September
Warm27°Cavg
- 29°C / 24°C
- 28mm total
- 11.6h sun/day
October
Warm26°Cavg
- 28°C / 23°C
- 39mm total
- 10.7h sun/day
November
Warm25°Cavg
- 27°C / 23°C
- 32mm total
- 10.2h sun/day
December
Warm23°Cavg
- 26°C / 21°C
- 56mm total
- 9.8h sun/day
Plan your trip to United States — Hawaii
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