April weather forecastIruma, Japan
April
Weather in April
April is a refreshing spring month in Iruma, Japan, with an average temperature varying between 9.3°C (48.7°F) and 18°C (64.4°F).Temperature
As Iruma welcomes April, the average high-temperature sees a modest rise, transitioning from a moderate 13.1°C (55.6°F) in March to a still refreshing 18°C (64.4°F). Iruma, during the nights of April, experiences an average temperature drop to a chilly 9.3°C (48.7°F).Humidity
The average relative humidity in April is 65%.Rainfall
In Iruma, in April, during 13.2 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, there are 146.2 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Iruma.Daylight
In Iruma, Japan, the average length of the day in April is 13h and 6min.On the first day of April, sunrise is at 05:28 and sunset at 18:04. On the last day of the month, sunrise is at 04:50 and sunset at 18:28 JST.
Sunshine
In April, the average sunshine in Iruma is 9.2h.UV index
In Iruma, Japan, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Iruma, Japan
- Average high temperature in April: 18°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in April: 9.3°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in April
Iruma, Japan
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in April
Iruma, Japan
- Average wind speed in April: 11.5km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.7km/h).
Average humidity in April
Iruma, Japan
- Average humidity in April: 65%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (58%).
Average rainfall in April
Iruma, Japan
- Average rainfall in April: 55mm
The wettest month (with the highest rainfall) is October (102mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days in April
Iruma, Japan
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Iruma, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in April
Iruma, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in April /
Average sunshine in April
Iruma, Japan
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are February and November (Average sunshine: 6h and 12min).
Average sunshine days in April
Iruma, Japan
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in April
Iruma, Japan
- Average UV index in April: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in April
Iruma, Japan
- Average cloud cover in April: 38
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Iruma, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
