Hakone Weather in April
April in Hakone averages 17°C (63°F) during the day and 9°C (48°F) at night. April is part of the rainy season, with around 188 mm (7.4 in) of rainfall and frequent showers.
Rainfall in Hakone in April
As part of the rainy season, Hakone sees around 16 days of rain in April, with an average of 188 mm (7.4 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Hakone in April
Daytime temperatures in Hakone reach 17°C (63°F) in April, dropping to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.April in Hakone has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakone's climate page.
Hakone Temperature in April
Min Temperature
9°C (48°F)
Max Temperature
17°C (63°F)
Chance of Rain
54%
Precipitation
188 mm (7.4 in)
Rainy days
16 days
Humidity
60% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hakone typically rise from around 16°C (61°F) at the start of April to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°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 for Hakone in April
Browse day-by-day weather records for Hakone spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hakone historical weather extremes in April
Our historical data for Hakone spans 1976 to 2026, revealing these weather extremes.
- The hottest April day on record in Hakone reached 28°C (82°F) (April 29, 2005).
- On April 1, 1984, Hakone saw its coldest April day with temperatures maxing out at 5°C (41°F).
- The wettest April day on record brought 111 mm (4.4 in) of precipitation to Hakone (April 8, 2008).
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
What to Wear in Hakone in April
Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Hakone in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakone's climate page.
See the full Hakone climate overview or explore weather in Japan.
