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Weather & Climate
Kailua, Hawaii, United States
Overview
Climate data and monthly weather averages for Kailua.
Key Metrics
Annual Avg
24.6°C
Summer Avg
25.6°C
Winter Avg
23.5°C
Record High
29.4°C
Record Low
18.8°C
Annual Precipitation
601.3 mm
Avg Humidity
77%
Summer Humidity
77%
Winter Humidity
76%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 26.1° | 23.4° | 20° | 56.4 | 76% | 132 | 53.3 |
| Feb | 26° | 22.9° | 18.8° | 69.2 | 76% | 136 | 60.3 |
| Mar | 26° | 23.1° | 18.9° | 77.2 | 77% | 170 | 47.8 |
| Apr | 26.4° | 23.6° | 19.6° | 42.3 | 77% | 189 | 45.4 |
| May | 27.4° | 24.4° | 20.9° | 33.2 | 77% | 211 | 45.1 |
| Jun | 28.6° | 25.1° | 23.1° | 26.4 | 77% | 213 | 42.7 |
| Jul | 28.4° | 25.7° | 23.3° | 28.5 | 78% | 216 | 47 |
| Aug | 29.2° | 26.1° | 23.9° | 34.1 | 77% | 207 | 52.8 |
| Sep | 29.4° | 26.3° | 24° | 36.3 | 76% | 187 | 43.6 |
| Oct | 29° | 25.9° | 22.7° | 56.7 | 77% | 161 | 45.5 |
| Nov | 28.3° | 25.1° | 22.4° | 67.2 | 77% | 131 | 50.5 |
| Dec | 26.9° | 24.1° | 20.4° | 73.8 | 77% | 122 | 53.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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