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
April signals a shift in the average high-temperature, moving from March's wintry 1.1°C (34°F) to a frosty 8.7°C (47.7°F). Throughout April, the temperature falls to an average low of 0.8°C (33.4°F).Humidity
In April, the average relative humidity is 78%.Rainfall
The months with the least rainfall in Iwamizawa, Japan, are February and April Rain falls for 14.5 days and accumulates 44mm (1.73") of rain.Snowfall
Months with snowfall in Iwamizawa are January through May, October through December. In April, it is snowing for 5.2 days. Throughout April, 63mm (2.48") of snow is accumulated. Throughout the year, there are 109.6 snowfall days, and 1497mm (58.94") of snow is accumulated.Daylight
In April, the average length of the day in Iwamizawa is 13h and 25min.On the first day of the month, sunrise is at 05:14 and sunset at 17:59. On the last day of April, sunrise is at 04:27 and sunset at 18:32 JST.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Iwamizawa is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average April temperature in Iwamizawa?
What is the average humidity in April in Iwamizawa?
What is the driest month in Iwamizawa?
How much does it rain in Iwamizawa in April?
How much does it snow in Iwamizawa in April?
What is the average length of the day in April in Iwamizawa?
When is the sunrise / sunset in April in Iwamizawa?
How many hours of sunshine does Iwamizawa have in April?
What is the UV index reading in April in Iwamizawa?
Average temperature in April
Iwamizawa, Japan
- Average high temperature in April: 8.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in April: 0.8°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in April
Iwamizawa, Japan
- Average pressure in April: 1012.2mbar
The month with the highest atmospheric pressure is November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in April
Iwamizawa, Japan
- Average wind speed in April: 12.1km/h
The windiest month (with the highest average wind speed) is April (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in April
Iwamizawa, Japan
- Average humidity in April: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in April
Iwamizawa, Japan
- Average rainfall in April: 44mm
The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are February and April (44mm).
Average rainfall days in April
Iwamizawa, Japan
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Iwamizawa, Japan
- Average snowfall in April: 63mm
The month with the highest snowfall is December (394mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Iwamizawa, Japan
- Average snowfall days in April: 5.2 days
The month with the highest number of snowfall days is January (25.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Iwamizawa, Japan
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
Iwamizawa, Japan
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (3 days).
Average UV index in April
Iwamizawa, Japan
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Iwamizawa, Japan
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in April
Iwamizawa, Japan
- Average visibility in April: 9km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
Iwamizawa, Japan
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