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
Weather in May
Temperature
May's arrival coincides with a rise in the average high-temperature, moving from April's comfortable 18°C (64.4°F) to a warm 23.9°C (75°F). Irumagawa, during the nights of May, experiences an average temperature drop to a moderate 15.3°C (59.5°F).Humidity
The average relative humidity in May is 65%.Rainfall
In Irumagawa, Japan, in May, during 13.3 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Irumagawa, there are 146.2 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
In May, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 04:49 and sunset at 18:29. On the last day of May, sunrise is at 04:27 and sunset at 18:52 JST.
Sunshine
The average sunshine in May in Irumagawa is 9.5h.UV index
In Irumagawa, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the average May temperature in Irumagawa?
What is the average humidity in May in Irumagawa?
How much does it rain in Irumagawa in May?
When it does not snow in Irumagawa?
How many hours of daylight does Irumagawa have in May?
What time are sunrise and sunset in May in Irumagawa?
How long on average sun shines in May in Irumagawa?
What is the UV index intensity in May in Irumagawa?
Average temperature in May
Irumagawa, Japan
- Average high temperature in May: 23.9°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in May: 15.3°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in May
Irumagawa, Japan
- Average pressure in May: 1012mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in May
Irumagawa, Japan
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.7km/h).
Average humidity in May
Irumagawa, Japan
- Average humidity in May: 65%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (58%).
Average rainfall in May
Irumagawa, Japan
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is October (102mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days in May
Irumagawa, Japan
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Irumagawa, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in May
Irumagawa, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
Irumagawa, 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 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are February and November (Average sunshine: 6h and 12min).
Average sunshine days in May
Irumagawa, Japan
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in May
Irumagawa, 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
Irumagawa, Japan
- Average cloud cover in May: 36
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in May
Irumagawa, Japan
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
Irumagawa, Japan
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