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Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
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.
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% *
* Data from: Mount Fuji, Japan (13 KM, 8 Miles).
Yamanakako Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yamanakako - and find the best time to visit.
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 records 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
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 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.
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Camping6/10
Yamanakako 3-Day Forecast
More climate data for Yamanakako
See the full Yamanakako climate overview or explore weather in Japan.
Popular in May
Where to go in May - average daytime high across popular destinations.
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