The best times to visit Kahului for ideal weather are

December 3rd to April 29th

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



Other Kahului Travel Info

Weather in Kahului


Average temperatures in Kahului 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 Kahului, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid to late August where highs are regularly around 89.5°F (31.9°C) with temperatures rarely dropping below 71.1°F (21.7°C) at night.

Kahului Temperatures (Fahrenheit)


Kahului Temperatures (Celsius)


“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.

Kahului Perceived Temperature (F)


Kahului Perceived Temperature (C)



Average Kahului 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 81.3 71.6 62
Feb 81.5 71.7 62.4
Mar 81.7 72.2 64
Apr 83.9 74 65.5
May 86.1 75.8 66.7
Jun 87.4 77.5 68.8
Jul 88.4 78.7 70.3
Aug 88.9 79.2 71.3
Sep 88.7 78.6 69.7
Oct 88 77.6 68.2
Nov 85.1 75.3 66.8
Dec 82.8 73.1 64.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 27.4 22 16.7
Feb 27.5 22.1 16.9
Mar 27.6 22.3 17.8
Apr 28.8 23.3 18.6
May 30.1 24.3 19.3
Jun 30.8 25.3 20.4
Jul 31.3 25.9 21.3
Aug 31.6 26.2 21.8
Sep 31.5 25.9 20.9
Oct 31.1 25.3 20.1
Nov 29.5 24.1 19.3
Dec 28.2 22.8 18.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Kahului are September, June, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid June. For example, on the week of June 11th 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 2 days of significant precipitation the week of January 29th.

When can you find snow in Kahului? 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 Kahului.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 12% 0 2.2
Feb 12% 0 1.5
Mar 14% 0 3.1
Apr 7% 0 1
May 5% 0 0.7
Jun 2% 0 0.2
Jul 4% 0 0.5
Aug 5% 0 0.6
Sep 1% 0 0.3
Oct 3% 0 0.4
Nov 11% 0 1.7
Dec 12% 0 2.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 12 0 5.6
Feb 12 0 3.8
Mar 14 0 7.9
Apr 7 0 2.5
May 5 0 1.8
Jun 2 0 0.5
Jul 4 0 1.3
Aug 5 0 1.5
Sep 1 0 0.8
Oct 3 0 1
Nov 11 0 4.3
Dec 12 0 7.4


Humidity and Wind

Kahului has some high humidity months, with other comfortably humid months. The least humid month is June (58.5% relative humidity), and the most humid month is December (66.2%).

Wind in Kahului is usually moderate. The windiest month is June, followed by July and August. June’s average wind speed of around 12.8 knots (14.7 MPH or 23.6 KPH) is considered “a moderate 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 23.2 knots, which is considered a strong breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 8.8 Gentle breeze 17.6 Strong breeze
Feb 9.2 Gentle breeze 17.8 Strong breeze
Mar 10.6 Gentle breeze 19 Strong breeze
Apr 10.8 Gentle breeze 19.4 Strong breeze
May 10.5 Gentle breeze 19 Strong breeze
Jun 12.8 Significant breeze 22.1 Very strong breeze
Jul 12.6 Significant breeze 22 Strong breeze
Aug 12.4 Significant breeze 21.7 Strong breeze
Sep 11 Significant breeze 20.5 Strong breeze
Oct 9.7 Gentle breeze 18.6 Strong breeze
Nov 9.6 Gentle breeze 18 Strong breeze
Dec 8.9 Gentle breeze 17.2 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 65.1%
Feb 65.4%
Mar 65.2%
Apr 61.8%
May 60.3%
Jun 58.5%
Jul 60.4%
Aug 60%
Sep 60.2%
Oct 62.9%
Nov 65.2%
Dec 66.2%


Is it Safe to Travel to Kahului?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Kahului, 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 Kahului 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

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 extrapolated based on nearby areas. 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 Kahului Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 86.9°F (30.5°C) and 81.2°F (27.3°C) with warmer temperatures in the later months. Rain is rare with 2 to 4 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 Kahului, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 88.8°F (31.6°C) and 83.3°F (28.5°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 3 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 Kahului to be enjoyable for warm weather travelers. The average high during this season is between 83.5°F (28.6°C) and 80.6°F (27°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the busiest with tourists.


Best Times to Travelthe United States › Kahului, HI, US