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Honolulu in April: weather, sea & travel advice
This month's data profile
Sea conditions lead
Honolulu in April is climatically well suited to beach holidays, family holidays, city breaks and active holidays and hiking. The average daily high is around 25 °C, and the sea is about 24 °C. With about 10 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
85/100 · #3
Warmth
#8
Dryness
#6
Sun
#5
Sea warmth
#10
Published best categories: Overall, City break, Active
Honolulu · AprilPhoto: Robert Linsdell from St. Andrews, Canada · CC BY 2.0Climate facts
- Average high
- 25 °C
- Average low
- 22 °C
- Sea
- 24 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 74 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| March | 25 | 22 | 12 | 77 | 7.2 | 74 | 5.4 | 24 | 81 |
| April (selected) | 25 | 22 | 10 | 42 | 8.1 | 74 | 5.7 | 24 | 85 |
| May | 26 | 23 | 9 | 39 | 8.6 | 74 | 5.3 | 25 | 87 |
How do the previous and next months compare?
Baseline: April (85/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| March | -4 | -0.7 °C | -0.6 °C | +1.9 | +34.3 mm | -0.9 h | +0.1 % | -0.3 m/s | -0.3 °C |
| May | +2 | +1 °C | +0.8 °C | -1 | -3.9 mm | +0.5 h | -0.5 % | -0.4 m/s | +0.6 °C |
All twelve months in context
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Frequently asked questions
How warm is Honolulu in April?
The average daily high is around 25 °C, with an average daily low of about 22 °C.
Can you swim in Honolulu in April?
The sea is about 24 °C (warm).
Does it rain a lot in Honolulu in April?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 42 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Honolulu?
By the climate score, April, May, June and July are the strongest months for Honolulu. For a beach trip: May, June, July and August. April is one of them.