April · United States
Best time to visit Kauai in April Weather, crowds & prices
Weather in Kauai in April
Average temperature 24°C, 44 mm of rain, about 28 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
9.5/10
Ranked #6 of 12 months
- Avg temp
- 24°C
- Rainfall
- 44 mm
- Humidity
- 77%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Kauai scores 9.5/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 24°C, 44 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Kauai's Na Pali coast, Waimea canyon and rainforest waterfalls make it Hawaii's greenest island.
April is one of the strongest months in Kauai (6th)
April averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 44 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 12.5 daylight hours.
A 9.5/10 puts this among the year's best months in Kauai (6th of 12); only June scores higher, at 9.8/10.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Kauai in April?
- In April, Kauai averages 24°C, 44 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 9.5/10.
- Is April a good time to visit Kauai?
- April earns a 9.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kauai in April?
- Expect about 44 mm of rain in April. Average humidity is 77% and there are about 28 days with 6+ hours of sunshine.
Curated in Kauai
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Kauai, United States. Live activities and tours from GetYourGuide, matched to this destination.