May weather forecastKosai, Japan
May
Weather in May
The last month of the spring, May, is a pleasant month in Kosai, Japan, with an average temperature fluctuating between 20.9°C (69.6°F) and 15.3°C (59.5°F).Temperature
Kosai's transition into May sees a mild rise in the average high-temperature, edging from an enjoyable 16.3°C (61.3°F) in April to an agreeable 20.9°C (69.6°F). Kosai's nighttime temperature during May is consistently averaged at a moderate 15.3°C (59.5°F).Humidity
The average relative humidity in May is 73%.Rainfall
In Kosai, during May, the rain falls for 11.9 days and regularly aggregates up to 95mm (3.74") of precipitation. In Kosai, during the entire year, the rain falls for 163.7 days and collects up to 1017mm (40.04") of precipitation.Snowfall
In Kosai, snow does not fall in March through November.Sea temperature
In Kosai, the average seawater temperature in May is 19°C (66.2°F).Note: The majority of people find swimming in 19°C (66.2°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
The average length of the day in May is 13h and 59min.On the first day of the month, sunrise is at 04:59 and sunset at 18:34. On the last day of May, sunrise is at 04:38 and sunset at 18:57 JST.
Sunshine
The average sunshine in May is 9.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kosai, Japan
- Average high temperature in May: 20.9°C
The warmest month (with the highest average high temperature) is August (29.1°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 (24.8°C).
The coldest month (with the lowest average low temperature) is January (3.5°C).
Average pressure in May
Kosai, Japan
- Average pressure in May: 1012.2mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in May
Kosai, Japan
- Average wind speed in May: 15.3km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).
Average humidity in May
Kosai, Japan
- Average humidity in May: 73%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January and February (67%).
Average rainfall in May
Kosai, Japan
- Average rainfall in May: 95mm
The wettest month (with the highest rainfall) is July (190mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in May
Kosai, Japan
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in May
Kosai, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Kosai, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Kosai, Japan
- Average sea temperature in May: 19°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in May /
Average sunshine in May
Kosai, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in May
Kosai, Japan
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in May
Kosai, Japan
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Kosai, Japan
- Average cloud cover in May: 34
The month with the most cloud cover is June (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in May
Kosai, Japan
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
