Hanalei (HI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hanalei.
Climate overview of Hanalei
Hanalei, Hawaii, United States of America, enjoys a steady climate throughout the year, with daytime temperatures typically around 26°C (79°F). September is the warmest month at 28°C (82°F), while February is the coolest at 24°C (75°F).
With around 754 mm (30 in) of annual rainfall, the city has moderate precipitation levels. March is the wettest month and July the driest. The most sunshine falls in August, with an average of 8.8 hours of daily sunshine.
Hanalei Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hanalei - and find the best time to visit.
Monthly Temperature in Hanalei
The temperature in Hanalei remains steady throughout the year, providing a consistently comfortable climate. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in September to a comfortable 24°C (75°F) in the coolest month, February.
Nights vary from 24°C (75°F) in September to around 20°C (68°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hanalei
Generally, Hanalei has a moderate amount of precipitation, averaging 754 mm (30 in) of rainfall annually. Hanalei offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month March (92 mm (3.6 in)) and the driest month July (48 mm (1.9 in)) is not too significant. For more details, please visit our Hanalei Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Hanalei
Hanalei offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between August (8.8 hours daily) and December (5.4 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Hanalei by Month
The relative humidity is high throughout the year in Hanalei.
The city experiences its highest humidity in November, reaching 77%. In June, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Hanalei
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Warmest weather: June, July, August, September and October
- Most sunshine: July and August
- Fewer rainy days: January, February, May, June and September
Frequently asked questions about the climate in Hanalei
What temperatures can I expect in Hanalei?
Daytime highs range from 24°C (75°F) in February to 28°C (82°F) in September. Nighttime lows range from 20°C (68°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Hanalei get?
Annual rainfall is around 754 mm (30 in). March is the wettest month with 92 mm (3.6 in), while July is the driest with 48 mm (1.9 in).
How sunny is Hanalei?
Hanalei receives around 2,562 hours of sunshine per year. August is the sunniest month with 263 hours, while December is the cloudiest with just 161 hours. Overall, Hanalei enjoys abundant sunshine.
Hanalei 3-Day Forecast
Hanalei on the map
Hanalei is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
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29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) 
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