Hawaii weather in April
The state broadly agrees with itself in April: afternoons run 85° in Kahului (Maui) and 79° in Hilo, with everywhere else in between.
Based on 5 weather stations. Five stations across four islands, all near sea level — the leeward-versus-windward difference shows up here, but upcountry and volcano-summit weather is another world these numbers don’t reach.
Oahu
Highs near 83°, nights around 70°, and 0.8 in of rain in a typical April.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Honolulu | 83° / 70° | 2 | The rain switches off and the trades keep blowing. |
Maui
Highs near 85°, nights around 67°, and 1.3 in of rain in a typical April.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Kahului (Maui) | 85° / 67° | 3 | The dry-out begins; north-shore surf finally lies down. |
Kauai
Highs near 80°, nights around 70°, and 2.0 in of rain in a typical April.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Lihue (Kauai) | 80° / 70° | 5 | Rain eases, everything blooms, hiking gets muddy and gorgeous. |
Big Island, Kona side
Highs near 83°, nights around 71°, and 0.6 in of rain in a typical April.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Kailua-Kona | 83° / 71° | 2 | The driest stretch begins — mornings clear, afternoons cloud upslope. |
Big Island, Hilo side
Highs near 79°, nights around 66°, and 9.4 in of rain in a typical April.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Hilo | 79° / 66° | 17 | Most days see rain; the town could not care less. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.