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 sees a temperature increase, moving from a fresh 11.7°C (53.1°F) in March to a comfortable 16.7°C (62.1°F). During the month of April, the nighttime temperature falls to an average of 7.6°C (45.7°F).Humidity
In April, the average relative humidity in Iwakura is 72%.Rainfall
In Iwakura, in April, during 13.4 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Iwakura, Japan, during the entire year, the rain falls for 147.8 days and collects up to 833mm (32.8") of precipitation.Snowfall
March through November are months without snowfall in Iwakura.Daylight
In April, the average length of the day is 13h and 5min.On the first day of the month, sunrise is at 05:38 and sunset at 18:13. On the last day of April, sunrise is at 05:01 and sunset at 18:37 JST.
Sunshine
In Iwakura, the average sunshine in April is 9h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 4 in April transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the usual temperature for Iwakura in April?
What is the average humidity in April in Iwakura?
How many days does it rain in April in Iwakura?
When it does not snow in Iwakura?
What is the average length of the day in April in Iwakura?
What time are sunrise and sunset in April in Iwakura?
How many hours of sunshine does Iwakura have in April?
How high is the UV index in April in Iwakura?
Average temperature in April
Iwakura, Japan
- Average high temperature in April: 16.7°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in April: 7.6°C
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in April
Iwakura, Japan
- Average pressure in April: 1014.9mbar
The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in April
Iwakura, Japan
- Average wind speed in April: 8.4km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in April
Iwakura, Japan
- Average humidity in April: 72%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is May (70%).
Average rainfall in April
Iwakura, Japan
- Average rainfall in April: 74mm
The wettest month (with the highest rainfall) is July (164mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in April
Iwakura, Japan
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in April
Iwakura, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Iwakura, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Iwakura, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in April
Iwakura, Japan
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in April
Iwakura, Japan
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Iwakura, Japan
- Average cloud cover in April: 39
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in April
Iwakura, Japan
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
Iwakura, Japan
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