Nikko Weather in May
Nikko in May sees pleasant daytime temperatures of 20°C (68°F) and nighttime lows of 10°C (50°F). As part of the rainy season, showers are frequent and often heavy. Budget around 193 mm (7.6 in) of rainfall for the month.
Rainfall in Nikko in May
Nikko is in the rainy season in May, with rain on around 18 days and an average of 193 mm (7.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Nikko in May
In May, expect pleasant temperatures in Nikko, with highs of 20°C (68°F) and lows of 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Nikko in May
The city usually sees around 186 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).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 Nikko's climate page.
Nikko Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
59%
Precipitation
193 mm (7.6 in)
Rainy days
18 days
Humidity
73%
Sunshine
186 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nikko typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 6°C (43°F) to 11°C (52°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 Nikko in May
Browse day-by-day weather records for Nikko spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nikko historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Nikko.
- Nikko recorded its highest May temperature of 33°C (91°F) on May 26, 2019.
- The coldest night in May in Nikko was on May 4, 1991, with a minimum of -4°C (25°F).
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
What to Wear in Nikko in May
Comfortable temperatures call for an easy wardrobe in May. 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Nikko 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 Nikko's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nikko climate overview or explore weather in Japan.
