Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As Irumagawa welcomes April, the average high-temperature sees a modest rise, transitioning from a refreshing 13.1°C (55.6°F) in March to a comfortable 18°C (64.4°F). Irumagawa's nighttime temperature during April is consistently averaged at a frosty 9.3°C (48.7°F).Humidity
The average relative humidity in April in Irumagawa, Japan, is 65%.Rainfall
In Irumagawa, 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 Irumagawa.Daylight
In April, the average length of the day is 13h and 6min.On the first day of the month, sunrise is at 05:28 and sunset at 18:04. On the last day of April, sunrise is at 04:50 and sunset at 18:28 JST.
Sunshine
The average sunshine in April in Irumagawa is 9.2h.UV index
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 exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average April temperature in Irumagawa?
What is the average humidity in April in Irumagawa?
How much does it rain in Irumagawa in April?
When it does not snow in Irumagawa?
Does it snow in Irumagawa in April?
How many hours of daylight does Irumagawa have in April?
What time are sunrise and sunset in April in Irumagawa?
How long on average sun shines in April in Irumagawa?
How high is the UV index in April in Irumagawa?
Average temperature in April
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, Japan
- Average daylight in April: 13h and 1min
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 1min
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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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
Irumagawa, 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).
Irumagawa, Japan
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