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When is the best time to visit Honolulu?
In general the best time to visit Honolulu is probably October, when the weather is usually great. The hottest months are August, September, October, while the coldest months are January, February, March.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sun tanning holiday is August, September, October. Average maximum temperatures are up to +86°F in October and it has 5 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Honolulu in different months
This is the average weather in Honolulu for each month based on historic data:
January, February, March, April, May, June, July, August, September, October, November, December usually has good weather. Average maximum temperature reaches +86°F during July.
Climate in Honolulu
Here is the detailed breakdown of the climate in Honolulu for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +86°F | +86°F | +88°F | +88°F | +90°F | +90°F | +91°F | +91°F | +93°F | +91°F | +90°F | +86°F |
| Average Maximum Temperature | |||||||||||
| +79°F | +79°F | +81°F | +81°F | +82°F | +84°F | +86°F | +86°F | +86°F | +86°F | +82°F | +81°F |
| Minimum Temperature | |||||||||||
| +55°F | +55°F | +59°F | +59°F | +61°F | +66°F | +68°F | +68°F | +68°F | +59°F | +59°F | +57°F |
| Avg. water temperature | |||||||||||
| +77°F | +77°F | +77°F | +79°F | +80°F | +80°F | +80°F | +80°F | +82°F | +80°F | +80°F | +78°F |
| Humidity, % | |||||||||||
| 72 | 70 | 70 | 69 | 68 | 67 | 68 | 68 | 69 | 70 | 71 | 72 |
| Rain, mm | |||||||||||
| 77 | 65 | 66 | 28 | 29 | 14 | 17 | 19 | 26 | 50 | 72 | 91 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 4 |
| Sunny Days | |||||||||||
| 6 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 6 |
| Cloud Days | |||||||||||
| 12 | 11 | 12 | 13 | 15 | 15 | 15 | 16 | 12 | 12 | 11 | 11 |
| Rainy Days | |||||||||||
| 12 | 12 | 13 | 13 | 12 | 10 | 11 | 10 | 12 | 13 | 14 | 13 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Honolulu during the whole year:
The hottest month in Honolulu is October with average maximum temperature going up to +86°F. The coldest month is January with the lowest temperatures of +68°F.
Water temperature
Here are the water temperatures in Honolulu during the whole year:
Honolulu achieves its warmest water temperature in September, where the average sea temperature goes up to +80°F. Coldest water temperature is in March with +75°F in average.
When can you swim in Honolulu?
You can swim in Honolulu from January to December:
- In May - November the water is warm (77°F - 82°F);
- In January - April the water is comfortable (70°F - 77°F);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Honolulu looks throughout the year, in %:
The most humid month in Honolulu is December with average humidity going up to 72%. The least humid month is June with an average humidity of 67%.
Rain
Amount of rainfall in mm. in Honolulu during the whole year based on historical data:
The sunniest and driest month is June with approximately 4 sunny days and a total precipitation of around 14 mm. The rainiest and wettest month is December with approximately 13 rainy days and 91 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Honolulu:
What is the hottest month in Honolulu?
The hottest month in Honolulu is October with average maximum temperature of +86°F.
What is the coldest month in Honolulu?
The coldest month in Honolulu is January with minimum temperatures of +68°F.
Is Honolulu worth visiting in winter?
If you are planning to visit Honolulu in winter you can expect pretty good weather. The best month is October with +86°F and 5 sunny days.
When does it rain the least in Honolulu?
if you're looking to visit Honolulu when it rains the least, you should plan your trip for December, January, November. During this time, rainfall is rare with the driest month being June with only 14 mm of rain.
Other cities in USA
Check out the weather for other cities in USA.
Monthly weather in Honolulu
Source of the data
For this page, we’ve looked at the typical weather in Honolulu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.