Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
With the transition into May, Nishiarai experiences an increase in average high-temperatures, moving up from a refreshing 17.7°C (63.9°F) in April to a warm 23.1°C (73.6°F). Nishiarai encounters an average low-temperature of 15.8°C (60.4°F) during May nights.Humidity
In May, the average relative humidity is 69%.Rainfall
In Nishiarai, Japan, in May, it is raining for 14.7 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, there are 182.2 rainfall days, and 953mm (37.52") of precipitation is accumulated.Snowfall
In Nishiarai, snow does not fall in April through December.Daylight
The average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 04:48 and sunset at 18:27. On the last day of the month, sunrise is at 04:26 and sunset at 18:50 JST.
Sunshine
In May, the average sunshine is 9.3h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during May translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May in Nishiarai?
When are sunrise and sunset in May?
How many hours of sunshine does Nishiarai have in May?
How high is the UV index in May?
Average temperature in May
Nishiarai, Japan
- Average high temperature in May: 23.1°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in May: 15.8°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in May
Nishiarai, Japan
- Average pressure in May: 1012mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in May
Nishiarai, Japan
- Average wind speed in May: 12.8km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11km/h).
Average humidity in May
Nishiarai, Japan
- Average humidity in May: 69%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (60%).
Average rainfall in May
Nishiarai, Japan
- Average rainfall in May: 78mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).
Average rainfall days in May
Nishiarai, Japan
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Nishiarai, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Nishiarai, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Nishiarai, Japan
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in May
Nishiarai, Japan
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in May
Nishiarai, Japan
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Nishiarai, Japan
- Average cloud cover in May: 37
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in May
Nishiarai, Japan
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, May, August, November and December (10km).
The months with the lowest visibility are April, June, July, September and October (9km).
