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The best time to visit Kauai
April, May, June, September and October — daytime highs around 24°C. Every number on this page is measured, not guessed.
Kauai month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 23°C | 14°C | 19 | |
| February | 22°C | 15°C | 22 | |
| March | 22°C | 15°C | 27 | Shoulder |
| April | 22°C | 16°C | 27 | Best |
| May | 23°C | 16°C | 30 | Best |
| June | 24°C | 17°C | 26 | Best |
| July | 25°C | 18°C | 31 | |
| August | 25°C | 18°C | 28 | |
| September | 25°C | 18°C | 28 | Best |
| October | 25°C | 17°C | 28 | Best |
| November | 24°C | 17°C | 24 | Shoulder |
| December | 22°C | 16°C | 25 |
The short version
Warmest: July, around 25°C by day. Coolest: February, around 22°C by day and 15°C at night. Wettest: July with about 31 wet days. Driest: January with about 19.
If you want fewer people: March, November sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Kauai?
The best months are April, May, June, September and October, when daytime highs sit around 24°C.
What is the hottest month in Kauai?
July, with daytime highs around 25°C.
What is the wettest month in Kauai?
July, with about 31 wet days. The driest is January with about 19.
When is the cheapest time to visit Kauai?
Prices follow the weather. The months either side of the best ones — March, November — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Kauai Island, Hawaii. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.