Yamanakako Weather in May
Yamanakako in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 11°C (52°F). As part of the rainy season, showers are frequent and often heavy. Budget around 179 mm (7 in) of rainfall for the month.
Rainfall in Yamanakako in May
As part of the rainy season, Yamanakako sees around 16 days of rain in May, with an average of 179 mm (7 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Yamanakako in May
Temperatures in Yamanakako in May top out at 21°C (70°F) and drop to 11°C (52°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
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 Yamanakako's climate page.
Yamanakako Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
53%
Precipitation
179 mm (7 in)
Rainy days
16 days
Humidity
61% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yamanakako typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 10°C (50°F).
Average temperatures in May
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 May
Historical weather for Yamanakako in May
Browse day-by-day weather records for Yamanakako spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yamanakako historical weather extremes in May
Based on 50 years of weather observations in Yamanakako between 1976 and 2026, these are the recorded extremes.
- The warmest day in May was on May 29, 2026, with a maximum of 32°C (90°F).
- The wettest day in May Yamanakako was on May 31, 2003 with 109 mm (4.3 in) of precipitation.
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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Yamanakako in May
For Yamanakako 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. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Yamanakako 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 Yamanakako's climate page.
See the full Yamanakako climate overview or explore weather in Japan.
