Poipu 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 Poipu at a glance
Each month’s typical high and low, and what it brings.
What stands out about Poipu’s climate
Read from where Poipu sits among Hawaii’s towns. The page puts what stands out first.
Rain and snow in Poipu
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 Poipu 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 Poipu.
Living with Poipu’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. 5.2 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 Poipu compares
Against every U.S. town on TownTapestry, each counted once, with its place in Hawaii.
Poipu 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 Poipu
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 Poipu’s climate
What is the coldest month in Poipu?
January, with a typical high of 79° and a low of 66°.
What is the hottest month in Poipu?
September, with a typical high of 85° and a low of 75°.
How much snow does Poipu get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Poipu?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Poipu?
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 Poipu.
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 (10 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.