May weather forecastBibai, Japan
May
Weather in May
The last month of the spring, May, is an enjoyable month in Bibai, Japan, with an average temperature varying between 16°C (60.8°F) and 6.3°C (43.3°F).Temperature
With the beginning of May, Bibai's average high-temperature sees an increase, transitioning from a chilly 8.7°C (47.7°F) in April to an enjoyable 16°C (60.8°F). Throughout May, Bibai anticipates an average low-temperature of 6.3°C (43.3°F).Humidity
With an average relative humidity of 77%, May is the least humid month in Bibai.Rainfall
In May, in Bibai, the rain falls for 15 days. Throughout May, 50mm (1.97") of precipitation is accumulated. In Bibai, during the entire year, the rain falls for 162.3 days and collects up to 769mm (30.28") of precipitation.Snowfall
Months with snowfall in Bibai are January through May, October through December. May is the last month it regularly snows in Bibai. During 0.2 snowfall days, in May, Bibai aggregates 2mm (0.08") of snow. In Bibai, Japan, during the entire year, snow falls for 109.6 days and aggregates up to 1497mm (58.94") of snow.Daylight
In Bibai, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 04:25 and sunset at 18:34. On the last day of May, in Bibai, sunrise is at 03:55 and sunset at 19:05 JST.
Sunshine
May has the most sunshine of the year in Bibai, with an average of 8.8h of sunshine.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in May transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bibai, Japan
- Average high temperature in May: 16°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in May
Bibai, Japan
- Average pressure in May: 1010.3mbar
The month with the highest atmospheric pressure is November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in May
Bibai, Japan
- Average wind speed in May: 11.3km/h
The windiest month (with the highest average wind speed) is April (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in May
Bibai, Japan
- Average humidity in May: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in May
Bibai, Japan
- Average rainfall in May: 50mm
The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are February and April (44mm).
Average rainfall days in May
Bibai, Japan
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Bibai, Japan
- Average snowfall in May: 2mm
The month with the highest snowfall is December (394mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Bibai, Japan
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (25.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bibai, Japan
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
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 May (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Bibai, Japan
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (3 days).
Average UV index in May
Bibai, 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, November and December (UV index 1).
Average cloud cover in May
Bibai, Japan
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in May
Bibai, Japan
- Average visibility in May: 9km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).





