Honolulu (HI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Honolulu.
Climate overview of Honolulu
Summer takes place between May and October and it becomes winter between October and April.
Honolulu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Honolulu — and find the best time to visit.
Monthly Temperature in Honolulu
With minimal seasonal shifts, Honolulu experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in August to a comfortable 25°C (77°F) in the coolest month, February.
Nights vary from 24°C (75°F) in August to around 21°C (70°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Honolulu
With annual rainfall averaging 426 mm (17 in), Honolulu maintains relatively low precipitation levels throughout the seasons. The climate in Honolulu shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 55 mm (2.2 in) of precipitation over 12 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 21 mm (0.8 in) of rainfall over 9 rainy days. For more details, please visit our Honolulu 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 Honolulu
Honolulu offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between July (10.2 hours daily) and December (6.6 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
Water Temperature in Honolulu
The mean water temperature over the year ranges from 24°C (75°F) in February to 27°C (81°F) in August.
Water temperature over the year
Humidity in Honolulu by Month
The relative humidity is high throughout the year in Honolulu.
The city experiences its highest humidity in January, reaching 73%. In June, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Honolulu
The average wind speed over the year ranges from 3 m/s (6 knots) to 5 m/s (10 knots). It is lower in January and higher in June, July and August. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Honolulu
Frequently asked questions about the climate in Honolulu
What is the best time to visit Honolulu?
Honolulu has a distinct dry season from April to October.
What temperatures can I expect in Honolulu?
Daytime highs range from 25°C (77°F) in February to 29°C (84°F) in August. Nighttime lows range from 21°C (70°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Honolulu get?
Annual rainfall is around 426 mm (17 in). December is the wettest month with 55 mm (2.2 in), while July is the driest with 21 mm (0.8 in).
How sunny is Honolulu?
Honolulu receives around 3,036 hours of sunshine per year. July is the sunniest month with 306 hours, while December is the cloudiest with just 199 hours. Overall, Honolulu enjoys abundant sunshine.
Honolulu 3-Day Forecast
Honolulu (HI) 3-Day Forecast
Honolulu on the map
Honolulu is highlighted — select any city to see its climate.
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