Nozawa Onsen Weather in May
May in Nozawa Onsen brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 145 mm (5.7 in), so pack an umbrella.
Rainfall in Nozawa Onsen in May
Historically, May sees about 17 days of rain, with a monthly average of 145 mm (5.7 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Nozawa Onsen in May
Daytime temperatures in Nozawa Onsen reach 21°C (70°F) in May, dropping to 10°C (50°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Nozawa Onsen in May
Expect sunny days throughout the month, with an estimated 198 hours of sunshine. This makes it a pleasant time to visit Nozawa Onsen.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Nozawa Onsen.
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 Nozawa Onsen's climate page.
Nozawa Onsen Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
57%
Precipitation
145 mm (5.7 in)
Rainy days
17 days
Humidity
71% *
Sunshine
198 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Nozawa Onsen typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Nozawa Onsen in May
Browse day-by-day weather records for Nozawa Onsen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nozawa Onsen historical weather extremes in May
Based on 20 years of weather observations in Nozawa Onsen between 2006 and 2026, these are the recorded extremes.
- On May 18, 2023, temperatures climbed to 33°C (91°F), marking the warmest May day on record.
- The coldest May day was on May 1, 2013, with a maximum of 10°C (50°F).
- The lowest overnight temperature recorded in May was 3°C (37°F) (May 10, 2026).
- The heaviest May precipitation occurred on May 29, 2011, when 57 mm (2.2 in) of precipitation fell.
Best Places in Japan in May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
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What to Wear in Nozawa Onsen in May
For Nozawa Onsen in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Nozawa Onsen in May
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 Nozawa Onsen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nozawa Onsen climate overview or explore weather in Japan.
