The best times to visit Waimea (Kauai) for ideal weather are

December 17th to April 22nd

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



Other Waimea (Kauai) Travel Info

Weather in Waimea (Kauai)


Average temperatures in Waimea (Kauai) 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 57th 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 Waimea (Kauai), the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 87.4°F (30.8°C) with temperatures rarely dropping below 73.3°F (22.9°C) at night.

Waimea (Kauai) Temperatures (Fahrenheit)


Waimea (Kauai) 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.

Waimea (Kauai) Perceived Temperature (F)


Waimea (Kauai) Perceived Temperature (C)



Average Waimea (Kauai) 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 79.9 72.6 65.5
Feb 80.3 73.2 66.3
Mar 81 73.3 65.9
Apr 82.5 74.9 67.4
May 83.9 76.9 69.4
Jun 85.7 78.5 71
Jul 86.6 79.4 72.1
Aug 87.1 79.8 72.4
Sep 87.2 79.5 72.3
Oct 86.2 78.6 71.6
Nov 84.1 76.2 69
Dec 81.9 74.4 67.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 26.6 22.6 18.6
Feb 26.8 22.9 19.1
Mar 27.2 22.9 18.8
Apr 28.1 23.8 19.7
May 28.8 24.9 20.8
Jun 29.8 25.8 21.7
Jul 30.3 26.3 22.3
Aug 30.6 26.6 22.4
Sep 30.7 26.4 22.4
Oct 30.1 25.9 22
Nov 28.9 24.6 20.6
Dec 27.7 23.6 19.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Waimea (Kauai) are July, June, and then August. 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 July. For example, on the week of July 9th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 1 days of significant precipitation the week of December 3rd.

When can you find snow in Waimea (Kauai)? 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 Waimea (Kauai).

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 9% 0 1.5
Feb 14% 0 2.2
Mar 7% 0 0.8
Apr 7% 0 1
May 7% 0 1.2
Jun 4% 0 0.3
Jul 4% 0 0.3
Aug 4% 0 0.7
Sep 6% 0 0.6
Oct 8% 0 0.8
Nov 7% 0 1.8
Dec 12% 0 3.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 9 0 3.8
Feb 14 0 5.6
Mar 7 0 2
Apr 7 0 2.5
May 7 0 3
Jun 4 0 0.8
Jul 4 0 0.8
Aug 4 0 1.8
Sep 6 0 1.5
Oct 8 0 2
Nov 7 0 4.6
Dec 12 0 9.1


Humidity and Wind

Waimea (Kauai) has some high humidity months, with other comfortably humid months. The least humid month is August (51.3% relative humidity), and the most humid month is December (62.9%).

Wind in Waimea (Kauai) is usually calm. The windiest month is February, followed by January and March. February’s average wind speed of around 6.4 knots (7.4 MPH or 11.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 14.9 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Waimea (Kauai).

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 6.4 Light breeze 13.7 Significant breeze
Feb 6.4 Light breeze 13.7 Significant breeze
Mar 6.2 Light breeze 13.6 Significant breeze
Apr 5.4 Light breeze 12.2 Significant breeze
May 5.1 Light breeze 11.5 Significant breeze
Jun 4.5 Light breeze 10.5 Gentle breeze
Jul 4.5 Light breeze 10.5 Significant breeze
Aug 4.5 Light breeze 10.6 Gentle breeze
Sep 4.5 Light breeze 10.4 Significant breeze
Oct 4.7 Light breeze 11 Significant breeze
Nov 5 Light breeze 11.7 Significant breeze
Dec 5.3 Light breeze 12.3 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 60.3%
Feb 58.6%
Mar 56.6%
Apr 56.7%
May 55.9%
Jun 54.7%
Jul 52.7%
Aug 51.3%
Sep 55.7%
Oct 57.4%
Nov 56.2%
Dec 62.9%


Is it Safe to Travel to Waimea (Kauai)?

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 Waimea (Kauai), 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 Waimea (Kauai) 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 Waimea (Kauai) Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 85°F (29.4°C) and 80.2°F (26.8°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 Waimea (Kauai), so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 87.3°F (30.7°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: approximately 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 perfect this time of year in Waimea (Kauai) to be enjoyable for warm weather travelers. The average high during this season is between 82.1°F (27.8°C) and 79.3°F (26.3°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.


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