Wailua has warm winters and warm summers
A typical July afternoon reaches 85°, a January night drops to 66°, and snow is almost unheard of.
A year in Wailua at a glance
Each month’s typical high and low, and what it brings.
What stands out about Wailua’s climate
Read from where Wailua sits among Hawaii’s towns. The page puts what stands out first.
Rain and snow in Wailua
March is the wettest month and July the driest. Rain or snow falls on about 193 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
No measurable snow in a normal year.
What a year in Wailua feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A year-round growing season
Freezing nights are uncommon in Wailua.
Living with Wailua’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
Only 0% of years see a freezing night, so tender plants can stay out most winters.
About 0.0" in a normal winter.
90° days are rare: July afternoons average 85°.
The nicest months are January, February, March, April, May, June, October, November and December. 1.0 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →How Wailua compares
Against every U.S. town on TownTapestry, each counted once, with its place in Hawaii.
Wailua weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 79° | 66° | 2.8" | 0 | 12 | 0 |
| February | 78° | 66° | 3.6" | 0 | 13 | 0 |
| March | 79° | 67° | 5.6" | 0 | 15 | 0 |
| April | 80° | 70° | 2.0" | 0 | 16 | 0 |
| May | 82° | 71° | 2.2" | 0 | 14 | 0 |
| June | 83° | 73° | 1.8" | 0 | 18 | 0 |
| July | 85° | 75° | 1.8" | 0 | 19 | 0 |
| August | 85° | 75° | 2.3" | 0 | 18 | 0 |
| September | 85° | 75° | 2.2" | 0 | 16 | 0 |
| October | 84° | 74° | 3.3" | 0 | 17 | 0 |
| November | 81° | 71° | 4.0" | 0 | 18 | 0 |
| December | 79° | 69° | 4.6" | 0 | 18 | 0 |
| Year | 82° | 71° | 36.2" | 0.0" | 193 | 0 |
Heating and cooling a home in Wailua
0% of the work is heating, so air conditioning is the bigger bill.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
Common questions about Wailua’s climate
What is the coldest month in Wailua?
January, with a typical high of 79° and a low of 66°.
What is the hottest month in Wailua?
September, with a typical high of 85° and a low of 75°.
How much snow does Wailua get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Wailua?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Wailua?
March, with 5.6 inches of rain and melted snow. The year totals 36 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Wailua.
Your answer becomes a post in Town Square.
NOAA’s gridded normals don’t cover this state, so temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts come from NOAA’s weather station at Lihue WSO Airport 1020.1, HI (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Today’s forecast: National Weather Service.