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.
Hawaii Island Travel Guide
Weather in Hawaii Island
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)
Hawaii Island Temperatures (Celsius)
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)
Hawaii Island Perceived Temperature (C)
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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
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.
The graph below shows the % chance of rainy and snowy days in Hawaii Island.
Snow on the Ground
The graph below shows the average snow on the ground in Hawaii Island (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
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.
The graph below shows wind speed (max and average) in knots.
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|
Is it Safe to Travel to Hawaii Island?
Our best data indicates this area is generally safe. As of Aug 21, 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 Aug 14, 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
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.