April weather forecastShirone, Japan
April
Weather in April
April is a moderate spring month in Shirone, Japan, with an average temperature varying between 13.3°C (55.9°F) and 6.7°C (44.1°F).Temperature
Shirone's transition into April sees a rise in the average high-temperature, advancing from a chilly 8°C (46.4°F) in March to a moderate 13.3°C (55.9°F). Throughout April, an average low-temperature of 6.7°C (44.1°F) is expected.Humidity
April and May, with an average relative humidity of 72%, are the least humid months.Rainfall
In Shirone, Japan, in April, it is raining for 16.8 days, with typically 75mm (2.95") of accumulated precipitation. Throughout the year, there are 201.1 rainfall days, and 1211mm (47.68") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1 snowfall days, in April, Shirone aggregates 10mm (0.39") of snow. In Shirone, during the entire year, snow falls for 54.2 days and aggregates up to 1160mm (45.67") of snow.Daylight
In April, the average length of the day is 13h and 11min.On the first day of April, sunrise is at 05:28 and sunset at 18:06. On the last day of the month, sunrise is at 04:49 and sunset at 18:33 JST.
Sunshine
The average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Shirone, Japan
- Average high temperature in April: 13.3°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in April: 6.7°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is February (0.2°C).
Average pressure in April
Shirone, Japan
- Average pressure in April: 1014.8mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in April
Shirone, Japan
- Average wind speed in April: 12.6km/h
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (8.5km/h).
Average humidity in April
Shirone, Japan
- Average humidity in April: 72%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in April
Shirone, Japan
- Average rainfall in April: 75mm
The wettest month (with the highest rainfall) is December (158mm).
The driest month (with the least rainfall) is May (57mm).
Average rainfall days in April
Shirone, Japan
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in April
Shirone, Japan
- Average snowfall in April: 10mm
The month with the highest snowfall is January (453mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Shirone, Japan
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Shirone, Japan
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in April
Shirone, Japan
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in April
Shirone, Japan
- Average UV index in April: 4
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 1).
Average cloud cover in April
Shirone, Japan
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Shirone, Japan
- Average visibility in April: 9km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February and December (8km).





