The best times to visit Hawaii Island for ideal weather are

May 28th to October 28th

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

 

 


Other Hawaii Island Travel Info

Weather in Hawaii Island

Temperature

Average temperatures in Hawaii Island vary very little. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 76th 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 Hawaii Island, 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 77.3°F (25.2°C) with temperatures rarely dropping below 51.8°F (11°C) at night.

Hawaii Island Temperatures (Fahrenheit)

Key
High
Average
Low

Hawaii Island 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.

Hawaii Island Perceived Temperature (F)

Key
High
Average
Low

Hawaii Island Perceived Temperature (C)

Key
High
Average
Low

 

Average Hawaii Island 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 69.2 57.8 43.6
Feb 69.3 57 43.4
Mar 68.6 57 43.8
Apr 70.4 59.4 45.9
May 71.7 60.7 47
Jun 74.1 63.5 50.1
Jul 75.5 64.8 51.3
Aug 76.1 65.2 51.2
Sep 74.5 63.6 49.5
Oct 73.7 62.5 48.7
Nov 73.4 61.4 47.7
Dec 71.1 59.1 45.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 20.7 14.3 6.4
Feb 20.7 13.9 6.3
Mar 20.3 13.9 6.6
Apr 21.3 15.2 7.7
May 22.1 15.9 8.3
Jun 23.4 17.5 10.1
Jul 24.2 18.2 10.7
Aug 24.5 18.4 10.7
Sep 23.6 17.6 9.7
Oct 23.2 16.9 9.3
Nov 23 16.3 8.7
Dec 21.7 15.1 7.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hawaii Island are June, September, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May. For example, on the week of May 21st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 1 days of significant precipitation the week of December 24th.

When can you find snow in Hawaii Island? 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 Hawaii Island.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Hawaii Island (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 8% 0 1.4
Feb 9% 0 0.9
Mar 10% 0 1.6
Apr 5% 0 0.5
May 5% 0 0.5
Jun 1% 0 0.1
Jul 5% 0 1.1
Aug 5% 0 0.7
Sep 2% 0 0.3
Oct 6% 0 1.1
Nov 7% 0 0.7
Dec 10% 0 1.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 8 0 3.6
Feb 9 0 2.3
Mar 10 0 4.1
Apr 5 0 1.3
May 5 0 1.3
Jun 1 0 0.3
Jul 5 0 2.8
Aug 5 0 1.8
Sep 2 0 0.8
Oct 6 0 2.8
Nov 7 0 1.8
Dec 10 0 4.3

 

Humidity and Wind

Hawaii Island has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is January (41.6% relative humidity), and the most humid month is March (54.5%).

Wind in Hawaii Island is usually moderate. The windiest month is July, followed by June and April. July’s average wind speed of around 8.2 knots (9.5 MPH or 15.3 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 December where average top sustained speeds reach 16.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 Gentle breeze 13 Significant breeze
Feb 7.3 Gentle breeze 14.2 Significant breeze
Mar 7.6 Gentle breeze 14.3 Significant breeze
Apr 7.8 Gentle breeze 14.4 Significant breeze
May 7.4 Gentle breeze 14.3 Significant breeze
Jun 7.8 Gentle breeze 14.4 Significant breeze
Jul 8.2 Gentle breeze 14.9 Significant breeze
Aug 7.5 Gentle breeze 14.2 Significant breeze
Sep 6.6 Light breeze 13 Significant breeze
Oct 6.9 Light breeze 13.5 Significant breeze
Nov 7.4 Gentle breeze 13.9 Significant breeze
Dec 7.6 Gentle breeze 14.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 41.6%
Feb 47.7%
Mar 54.5%
Apr 50.6%
May 53.2%
Jun 48.4%
Jul 47.3%
Aug 50.8%
Sep 53.4%
Oct 52.6%
Nov 50.6%
Dec 48.2%

 

Is it Safe to Travel to Hawaii Island?

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 Hawaii Island, the United States 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 Hawaii Island 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 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 Hawaii Island Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 72.8°F (22.7°C) and 67.9°F (19.9°C) with warmer temperatures in the later months. Rain is rare with 1 to 3 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 comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 0 to 2 days of precipitation per month. June – August is fairly slow season for tourism in Hawaii Island, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 74.6°F (23.7°C) and 72.9°F (22.7°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 2 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 somewhat cool this time of year in Hawaii Island to be enjoyable for warm weather travelers. The average high during this season is between 72.3°F (22.4°C) and 67.9°F (19.9°C). On average, it rains or snows a smalll amount: consistently 3 times per month. These times of year are the busiest with tourists.

 

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