Hawaii weather in March
The state broadly agrees with itself in March: afternoons run 83° 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 81°, nights around 68°, and 2.4 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Honolulu | 81° / 68° | 3 | Quick showers between long stretches of exactly what you came for. |
Maui
Highs near 83°, nights around 65°, and 2.6 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Kahului (Maui) | 83° / 65° | 5 | The year's rainiest patch — which here means passing showers. |
Kauai
Highs near 79°, nights around 67°, and 5.6 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Lihue (Kauai) | 79° / 67° | 6 | Rain with intent — and sun between every band of it. |
Big Island, Kona side
Highs near 82°, nights around 70°, and 1.0 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Kailua-Kona | 82° / 70° | 2 | Dry, easy, and the last month with humpbacks around. |
Big Island, Hilo side
Highs near 79°, nights around 65°, and 12.7 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Hilo | 79° / 65° | 15 | The rain steps up; so does everything growing. |
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.