Kailua in August
7.9out of 10
Yes, a good time to go
Warm and comfortable: highs around 27°C. Frequent rain: about 9 rainy days.
27°CAvg high
24°CAvg low
9Rainy days (30 mm)
12:44 hDaylight
06:13Sunrise · 18:57 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 24°C | 21°C | 45 mm | 8 | – | – | 8.0 |
| February | 24°C | 20°C | 43 mm | 8 | – | – | 8.0 |
| March | 24°C | 21°C | 59 mm | 11 | – | – | 7.6 |
| April | 24°C | 21°C | 32 mm | 11 | – | – | 7.6 |
| May | 25°C | 22°C | 32 mm | 9 | – | – | 7.9 |
| June | 26°C | 23°C | 30 mm | 10 | – | – | 7.7 |
| July | 27°C | 24°C | 29 mm | 11 | – | – | 7.6 |
| August | 27°C | 24°C | 30 mm | 9 | – | – | 7.9 |
| September | 27°C | 24°C | 28 mm | 10 | – | – | 7.8 |
| October | 27°C | 24°C | 39 mm | 10 | – | – | 7.7 |
| November | 26°C | 23°C | 58 mm | 11 | – | – | 7.6 |
| December | 25°C | 22°C | 57 mm | 10 | – | – | 7.7 |
Frequently asked questions
How hot is Kailua in August?
Daytime highs average 27°C and nights about 24°C.
When is the best time to visit Kailua?
The best months are January, February, May, August.