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
The start of May is characterized by an increase in the average high-temperature, transitioning from an enjoyable 17.7°C (63.9°F) in April to an agreeable 22.9°C (73.2°F). During May, the temperature in Shiroi is averaged to a low of 15.8°C (60.4°F) at night.Humidity
In May, the average relative humidity is 71%.Rainfall
In Shiroi, in May, during 11.3 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 144.3 rainfall days, and 423mm (16.65") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
In Shiroi, Japan, the average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 04:47 and sunset at 18:26. On the last day of the month, sunrise is at 04:25 and sunset at 18:49 JST.
Sunshine
The average sunshine in May is 9h.UV index
In Shiroi, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Shiroi?
What is the average humidity in May in Shiroi?
How much does it rain in Shiroi in May?
When it does not snow in Shiroi?
How many hours of daylight does Shiroi have in May?
What time are sunrise and sunset in May in Shiroi?
How long on average sun shines in May in Shiroi?
What is the UV index intensity in May in Shiroi?
Average temperature in May
Shiroi, Japan
- Average high temperature in May: 22.9°C
The warmest month (with the highest average high temperature) is August (31°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 (24.6°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in May
Shiroi, Japan
- Average pressure in May: 1011.9mbar
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
Shiroi, Japan
- Average wind speed in May: 13.1km/h
The windiest month (with the highest average wind speed) is April (14.6km/h).
The calmest month (with the lowest average wind speed) is November (11.3km/h).
Average humidity in May
Shiroi, Japan
- Average humidity in May: 71%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in May
Shiroi, Japan
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is October (58mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in May
Shiroi, Japan
- Average rainfall days in May: 11.3 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Shiroi, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Shiroi, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Shiroi, 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 0min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in May
Shiroi, Japan
- Average sunshine days in May: 17.9 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is September (12.7 days).
Average UV index in May
Shiroi, Japan
- Average UV index in May: 6
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
Shiroi, Japan
- Average cloud cover in May: 39
The month with the most cloud cover is June (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in May
Shiroi, Japan
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).
