May weather forecastNikko, Japan
May
Weather in May
As the city transitions into early summer, May presents a mild and warm weather in Nikko. This month experiences an appreciable spike in temperature readings as compared to April. Intensifying the summertime feel, days extend to a long 14.1 hours of daylight. As nature is in full bloom, this facilitates extended sightseeing and outdoor activities. It's crucial, however, to be prepared for rain showers, given that May is traditionally a month of plentiful rainfall.Temperature
May indicates a change in the average high-temperature, moving up from a moderate 13.4°C (56.1°F) in April to a still refreshing 19.5°C (67.1°F). The nights of May in Nikko anticipate an average low-temperature of 10.1°C (50.2°F).Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 20 days. Throughout May, 108mm (4.25") of precipitation is accumulated. Throughout the year, in Nikko, there are 226.7 rainfall days, and 1238mm (48.74") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Nikko.Daylight
In May, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 04:47 and sunset at 18:29. On the last day of May, sunrise is at 04:24 and sunset at 18:53 JST.
Sunshine
With an average of 9.6h of sunshine, May has the most sunshine of the year in Nikko, Japan.UV index
In Nikko, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Nikko, Japan
- Average high temperature in May: 19.5°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in May: 10.1°C
The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in May
Nikko, Japan
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in May
Nikko, Japan
- Average wind speed in May: 7.5km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is July (5.2km/h).
Average humidity in May
Nikko, Japan
- Average humidity in May: 74%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in May
Nikko, Japan
- Average rainfall in May: 108mm
The wettest month (with the highest rainfall) is July (178mm).
The driest month (with the least rainfall) is February (41mm).
Average rainfall days in May
Nikko, Japan
- Average rainfall days in May: 20 days
The month with the highest number of rainy days is July (25.9 days).
The month with the least rainy days is January (12.8 days).
Average snowfall in May
Nikko, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is January (191mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Nikko, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Nikko, Japan
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in May
Nikko, Japan
- Average sunshine days in May: 8.2 days
The month with the most sunshine days is November (10.5 days).
The months with the least sunshine days are June and July (3.3 days).
Average UV index in May
Nikko, Japan
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Nikko, Japan
- Average cloud cover in May: 37
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in May
Nikko, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
