May weather forecastBiei, Japan
May
Weather in May
The last month of the spring, May, is a mild month in Biei, Japan, with temperature in the range of an average low of 5.4°C (41.7°F) and an average high of 15.8°C (60.4°F).Temperature
May signals a significant shift in the average high-temperature, soaring from April's chilly 6.8°C (44.2°F) to a mild 15.8°C (60.4°F). In Biei, May nights witness a steady temperature drop to an icy 5.4°C (41.7°F).Humidity
The least humid month in Biei is May, with an average relative humidity of 74%.Rainfall
In Biei, in May, it is raining for 14.4 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 151.5 rainfall days, and 739mm (29.09") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Biei aggregates 3mm (0.12") of snow. In Biei, during the entire year, snow falls for 121.5 days and aggregates up to 2077mm (81.77") of snow.Daylight
In Biei, the average length of the day in May is 14h and 43min.On the first day of May in Biei, sunrise is at 04:22 and sunset at 18:32. On the last day of the month, sunrise is at 03:52 and sunset at 19:03 JST.
Sunshine
The average sunshine in May in Biei, Japan, is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Biei, Japan
- Average high temperature in May: 15.8°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in May: 5.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-13.4°C).
Average pressure in May
Biei, Japan
- Average pressure in May: 1010.2mbar
The months with the highest atmospheric pressure are October and November (1015.5mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in May
Biei, Japan
- Average wind speed in May: 9.9km/h
The windiest month (with the highest average wind speed) is April (10.5km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in May
Biei, Japan
- Average humidity in May: 74%
The months with the highest relative humidity are January, February and December (93%).
The month with the lowest relative humidity is May (74%).
Average rainfall in May
Biei, Japan
- Average rainfall in May: 44mm
The wettest month (with the highest rainfall) is August (96mm).
The driest month (with the least rainfall) is April (41mm).
Average rainfall days in May
Biei, Japan
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Biei, Japan
- Average snowfall in May: 3mm
The month with the highest snowfall is December (559mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Biei, Japan
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (26.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Biei, Japan
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in May
Biei, Japan
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in May
Biei, 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 1).
Average cloud cover in May
Biei, Japan
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in May
Biei, Japan
- Average visibility in May: 9km
The month with the highest visibility is May (9km).
The month with the lowest visibility is January (5km).





