The best times to visit Downtown Honolulu for ideal weather are

December 17th to April 8th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Downtown Honolulu Travel Info

Weather in Downtown Honolulu

Temperature

Average temperatures in Downtown Honolulu vary very little. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a very low chance of rain throughout the year. The area is somewhat temperate — in the 52nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Downtown Honolulu, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 89°F (31.7°C) with temperatures rarely dropping below 75°F (23.9°C) at night.

Downtown Honolulu Temperatures (Fahrenheit)

Key
High
Average
Low

Downtown Honolulu Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Downtown Honolulu Perceived Temperature (F)

Key
High
Average
Low

Downtown Honolulu Perceived Temperature (C)

Key
High
Average
Low

 

Average Downtown Honolulu Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 80.5 73.3 66.3
Feb 81.1 73.8 67.3
Mar 81.6 74 68.1
Apr 83.2 75.5 69.6
May 84.9 77.3 71.2
Jun 86.9 79.2 73.5
Jul 88.2 80.3 74.4
Aug 88.7 80.8 74.7
Sep 88.6 80.6 74.5
Oct 87.5 79.6 73.6
Nov 84.5 77.2 71.3
Dec 82 75 69

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 26.9 22.9 19.1
Feb 27.3 23.2 19.6
Mar 27.6 23.3 20.1
Apr 28.4 24.2 20.9
May 29.4 25.2 21.8
Jun 30.5 26.2 23.1
Jul 31.2 26.8 23.6
Aug 31.5 27.1 23.7
Sep 31.4 27 23.6
Oct 30.8 26.4 23.1
Nov 29.2 25.1 21.8
Dec 27.8 23.9 20.6

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Downtown Honolulu are June, August, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid March. For example, on the week of March 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 1 days of significant precipitation the week of January 29th.

When can you find snow in Downtown Honolulu? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Downtown Honolulu.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Downtown Honolulu (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 1.7
Feb 7% 0 0.8
Mar 8% 0 1.9
Apr 5% 0 0.8
May 7% 0 1.1
Jun 3% 0 0.4
Jul 4% 0 0.5
Aug 3% 0 1.1
Sep 7% 0 0.9
Oct 6% 0 1.1
Nov 12% 0 2.1
Dec 13% 0 3.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 4.3
Feb 7 0 2
Mar 8 0 4.8
Apr 5 0 2
May 7 0 2.8
Jun 3 0 1
Jul 4 0 1.3
Aug 3 0 2.8
Sep 7 0 2.3
Oct 6 0 2.8
Nov 12 0 5.3
Dec 13 0 8.4

 

Humidity and Wind

Downtown Honolulu has some high humidity months, with other comfortably humid months. The least humid month is June (54.6% relative humidity), and the most humid month is December (64.9%).

Wind in Downtown Honolulu is usually moderate. The windiest month is June, followed by August and July. June’s average wind speed of around 10.1 knots (11.6 MPH or 18.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid June where average top sustained speeds reach 17.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Downtown Honolulu.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.1 Gentle breeze 14.1 Significant breeze
Feb 7.9 Gentle breeze 14.7 Significant breeze
Mar 8.9 Gentle breeze 15.9 Significant breeze
Apr 9.2 Gentle breeze 16.1 Significant breeze
May 8.8 Gentle breeze 15.4 Significant breeze
Jun 10.1 Gentle breeze 16.7 Significant breeze
Jul 9.9 Gentle breeze 16.6 Significant breeze
Aug 9.9 Gentle breeze 16.5 Significant breeze
Sep 8.6 Gentle breeze 15.5 Significant breeze
Oct 7.8 Gentle breeze 14.7 Significant breeze
Nov 8.3 Gentle breeze 15.3 Significant breeze
Dec 7.7 Gentle breeze 14.7 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 63.1%
Feb 60.2%
Mar 59%
Apr 57.5%
May 56.8%
Jun 54.6%
Jul 55.3%
Aug 55%
Sep 56.1%
Oct 58.9%
Nov 60.6%
Dec 64.9%

 

Is it Safe to Travel to Downtown Honolulu?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Downtown Honolulu, HI, US is July, followed by March and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Downtown Honolulu in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 75.7 in June means 75.7% of the tourists vs. July.

 

 

Overall Downtown Honolulu Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 86.5°F (30.3°C) and 80.5°F (26.9°C) with warmer temperatures in the later months. Rain is rare with roughly 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with about 1 days of precipitation per month. June – August is fairly slow season for tourism in Downtown Honolulu, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 89°F (31.7°C) and 82.7°F (28.2°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is perfect this time of year in Downtown Honolulu to be enjoyable for warm weather travelers. The average high during this season is between 82.5°F (28.1°C) and 80.4°F (26.9°C). On average, it rains or snows a smalll amount: 2 to 4 times per month. These times of year are the busiest with tourists.

 

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