May weather forecastYanai, Japan
May
Weather in May
The last month of the spring, May, is an agreeable month in Yanai, Japan, with an average temperature fluctuating between 20.8°C (69.4°F) and 14.9°C (58.8°F).Temperature
Yanai, Japan, observes a slight ascent in average high-temperatures during May, adjusting from a refreshing 16.3°C (61.3°F) in April to an agreeable 20.8°C (69.4°F). During the nights in May, the temperature in Yanai, Japan, averages to a mild 14.9°C (58.8°F).Humidity
In May, the average relative humidity is 76%.Rainfall
In May, the rain falls for 11.1 days. Throughout May, 93mm (3.66") of precipitation is accumulated. In Yanai, during the entire year, the rain falls for 168 days and collects up to 1163mm (45.79") of precipitation.Snowfall
In Yanai, snow does not fall in March through November.Sea temperature
In May, the average sea temperature is 18°C (64.4°F).Note: The majority of individuals do not enjoy swimming in water that is 18°C (64.4°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day is 13h and 56min.On the first day of the month, sunrise is at 05:22 and sunset at 18:55. On the last day of May, in Yanai, Japan, sunrise is at 05:01 and sunset at 19:16 JST.
Sunshine
In May, the average sunshine in Yanai is 9.5h.UV index
The average daily maximum UV index in May in Yanai is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Yanai, Japan
- Average high temperature in May: 20.8°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 (8.7°C).
- Average low temperature in May: 14.9°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in May
Yanai, Japan
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in May
Yanai, Japan
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is January (14.5km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in May
Yanai, Japan
- Average humidity in May: 76%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in May
Yanai, Japan
- Average rainfall in May: 93mm
The wettest month (with the highest rainfall) is July (213mm).
The driest month (with the least rainfall) is January (39mm).
Average rainfall days in May
Yanai, Japan
- Average rainfall days in May: 11.1 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in May
Yanai, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Yanai, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.3 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
Yanai, Japan
- Average sea temperature in May: 18°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 February (12.9°C).
Average daylight in May /
Average sunshine in May
Yanai, Japan
- Average daylight in May: 13h and 54min
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 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Yanai, Japan
- Average sunshine days in May: 18.6 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Yanai, Japan
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Yanai, Japan
- Average cloud cover in May: 34
The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August, October and November (Cloud cover 32).
Average visibility in May
Yanai, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
