May weather forecastIwakuni, Japan
May
Weather in May
The last month of the spring, May, is a pleasant month in Iwakuni, Japan, with an average temperature ranging between max 20.9°C (69.6°F) and min 13.8°C (56.8°F).Temperature
Iwakuni, Japan, in May experiences a slight uptick in the average high-temperature, adjusting from April's refreshing 16.2°C (61.2°F) to an agreeable 20.9°C (69.6°F). During May, Iwakuni experiences an average low-temperature of 13.8°C (56.8°F) at night.Humidity
The average relative humidity in May is 76%.Rainfall
In Iwakuni, in May, during 10.6 rainfall days, 47mm (1.85") of precipitation is typically accumulated. In Iwakuni, during the entire year, the rain falls for 161.2 days and collects up to 650mm (25.59") of precipitation.Snowfall
April through November are months without snowfall in Iwakuni, Japan.Daylight
In Iwakuni, the average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 05:21 and sunset at 18:55. On the last day of May, sunrise is at 05:00 and sunset at 19:17 JST.
Sunshine
In May, the average sunshine in Iwakuni is 9.6h.UV index
In Iwakuni, Japan, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Iwakuni, Japan
- Average high temperature in May: 20.9°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in May: 13.8°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in May
Iwakuni, Japan
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in May
Iwakuni, Japan
- Average wind speed in May: 7.8km/h
The windiest month (with the highest average wind speed) is January (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.7km/h).
Average humidity in May
Iwakuni, Japan
- Average humidity in May: 76%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (73%).
Average rainfall in May
Iwakuni, Japan
- Average rainfall in May: 47mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in May
Iwakuni, Japan
- Average rainfall days in May: 10.6 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in May
Iwakuni, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Iwakuni, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Iwakuni, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Iwakuni, Japan
- Average sunshine days in May: 19 days
The month with the most sunshine days is May (19 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Iwakuni, 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
Iwakuni, Japan
- Average cloud cover in May: 33
The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August and October (Cloud cover 31).
Average visibility in May
Iwakuni, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The month with the lowest visibility is July (8km).
