Start of the drier season · Weather & things to do
Oahu in April
Little changes in Oahu from March: highs stay near 76°F (25°C), lows near 71°F (22°C), and about 2.1 in (54 mm) of rain falls.
It scores 86/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.
- Avg high
- 76°F (25°C)
- Avg low
- 71°F (22°C)
- Rain
- 2.1 in (54 mm)
- Humidity
- 75%
- Cloud cover
- 55%
- Daylight
- ~12 h 30 min
- Comfort score
- 86/100 · Great
What April feels like
Days are warm, averaging 76°F (25°C).
After dark, temperatures fall to about 71°F (22°C).
With 75% average humidity, it feels muggy.
Rain is moderate at about 2.1 in (54 mm) for the month.
It's breezy, with average winds near 13 mph (5.6 m/s) at ground level.
Plan around April
April is shoulder season: good weather, a step below the best months (January and May – September).
- Comfort improves from 80/100 in March to 86/100.
- April sits inside the Apr – Oct window our Hawaii Paradise route recommends.
What to pack for April
- Light, breathable clotheshighs average 76°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics75% average humidity
- Windproof shellaverage wind 13 mph
- Comfortable walking shoesmost picks involve some walking
What to do in Oahu in April
With conditions on your side, the picks below favor time outside.
Diamond Head State Monument
Steep 1.6-mile round-trip trail up a volcanic crater rim with views over Waikiki.
Why now April scores 86/100 for comfort, good conditions for being outside.
Waikiki Beach
Calm, sandy swim and beginner surf with Diamond Head as the backdrop.
Why now Highs near 76°F and 2.1 in of monthly rain make this an easy outdoor pick.
Hanauma Bay Nature Preserve
Protected volcanic bay with reef snorkeling and green sea turtles.
Why now One to do outside while the weather is on your side.
Helena's Hawaiian Food
James Beard–honored family spot for kalua pig, pipikaula short ribs and lau lau.
Pearl Harbor National Memorial
Boat out to the USS Arizona Memorial and walk the museums on the 1941 attack.
Nearby in April
- Waikiki in April~15 mi · highs 78°F, 2.1 in rain · 1°C (2°F) warmer by day, about as wet
- Kailua & Lanikai in April~18 mi · highs 76°F, 1.7 in rain · similar daytime temperatures, about as wet
- Maui in April~116 mi · highs 69°F, 1.9 in rain · 4°C (8°F) cooler by day, about as wet
- Big Island in April~200 mi · highs 52°F, 7.6 in rain · 13°C (24°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Oahu in April: quick answers
Is April a good time to visit Oahu?
It's a good shoulder-season choice, scoring 86/100 against a best of 93 in January and May – September. Expect highs of 76°F (25°C) and 2.1 in (54 mm) of rain. April is inside the Apr – Oct window our Hawaii Paradise route recommends.
How hot is Oahu in April?
Average highs are 76°F (25°C) and average lows 71°F (22°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Oahu in April?
Not much: about 2.1 in (54 mm) of rain falls across April on average, the 6th-driest month of the year. The annual total is about 30.4 in (771 mm).
What should I pack for Oahu in April?
Bring light, breathable clothes (highs average 76°F), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (75% average humidity), windproof shell (average wind 13 mph) and comfortable walking shoes (most picks involve some walking).
Routes in season in April
- Hawaii Paradise Apr – Oct
Planning Oahu in April?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.