Honolulu, HI Weather & Climate Normals
What a normal year in Honolulu actually looks like
On the 30-year record NOAA keeps for Honolulu, HI, the comfort score comes out to 52/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 3 months a year land in the 55–75°F range this site treats as mild.
How much Honolulu's weather actually swings
Average temperatures in Honolulu run from 73°F in Jan up to 82°F in Aug, an 8.2°F seasonal swing, one of the smaller gaps in this dataset.
Honolulu, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 81°F | 66°F | 2.38in | 0in |
| Feb | 81°F | 66°F | 2.03in | 0in |
| Mar | 81°F | 68°F | 3.18in | 0in |
| Apr | 83°F | 70°F | 1.17in | 0in |
| May | 85°F | 71°F | 1.02in | 0in |
| Jun | 87°F | 73°F | 0.59in | 0in |
| Jul | 87°F | 75°F | 0.69in | 0in |
| Aug | 88°F | 75°F | 0.73in | 0in |
| Sep | 88°F | 74°F | 1.02in | 0in |
| Oct | 87°F | 73°F | 2.24in | 0in |
| Nov | 84°F | 72°F | 2.57in | 0in |
| Dec | 82°F | 69°F | 3.03in | 0in |
If you're timing a visit, Jan, Feb, and Mar are Honolulu's mildest stretch; if you're moving there, you should plan around Aug's heat instead.
How wet Honolulu actually gets
Over a typical year, Honolulu sees about 20.65in of precipitation a year across roughly 123 days with measurable rain or snow, with 0in of snow a year.
Honolulu against the rest of the country
Out of 4876 cities scored here, Honolulu comes in at 1163; within HI alone it ranks 1 of 1. Population is about 344,967.
Checking the actual forecast
These figures come from Waikiki 717.2, HI US, the NOAA station 4.1 miles from Honolulu, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is