Iriomote
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Iriomote Weather in April

Iriomote in April averages 25°C (77°F) during the day and 22°C (72°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Iriomote in April

Expect around 19 days of rain based on historical data, with 162 mm (6.4 in) average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Iriomote in April

April in Iriomote brings typical temperatures with highs around 25°C (77°F) and lows of 22°C (72°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Iriomote in April

The month brings about 126 hours of sunlight, offering a comfortable mix of sun and overcast.

If you favor pleasant temperatures and minimal rainfall, April is one of the best months to visit Iriomote.

Iriomote Temperature in April

Min Temperature
22°C (72°F)
Max Temperature
25°C (77°F)
Chance of Rain
64%
Precipitation
162 mm (6.4 in)
Rainy days
19 days
Humidity
78%
Sunshine
126 hours
Percentage Sunshine

Iriomote Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Iriomote - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Iriomote typically stay consistent throughout April, with daily highs averaging around 25°C (77°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 23°C (73°F).

Average temperatures in April

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in April

Historical weather records for Iriomote in April

Browse day-by-day weather records for Iriomote spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Iriomote historical weather extremes in April

According to our 50 years of weather records for Iriomote, the following extremes were recorded between 1976 and 2026.

  • The hottest April day on record in Iriomote reached 33°C (91°F) (April 8, 1980).
  • The lowest daytime temperature in April was 16°C (61°F), recorded on April 2, 1996.
  • Iriomote registered its coldest April night on April 3, 1996, with temperatures dropping to 14°C (57°F).

Best Places in Japan in April

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in April →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Iriomote in April

Warm temperatures in April make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Iriomote in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Iriomote 3-Day Forecast

More climate data for Iriomote

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.