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
The arrival of April brings an increase in high-temperatures, moving from an icy 5.8°C (42.4°F) in March to a fresh 11.8°C (53.2°F). An average minimum temperature of 3.1°C (37.6°F) marks the month of April.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 77%.Rainfall
In April, the rain falls for 14.4 days. Throughout April, 75mm (2.95") of precipitation is accumulated. In Oshu, during the entire year, the rain falls for 167.6 days and collects up to 793mm (31.22") of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1.6 snowfall days, in April, Oshu aggregates 23mm (0.91") of snow. Throughout the year, there are 71.6 snowfall days, and 719mm (28.31") of snow is accumulated.Daylight
The average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 05:19 and sunset at 17:59. On the last day of April, in Oshu, sunrise is at 04:38 and sunset at 18:27 JST.
Sunshine
In April, the average sunshine in Oshu is 8.4h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in April transforms into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the temperature in April in Oshu?
What is the least humid month in Oshu?
What is the average humidity in April in Oshu?
How many days does it rain in April in Oshu?
What is the last month it snows in Oshu?
What is the average length of the day in April in Oshu?
When is the sunrise / sunset in April in Oshu?
How many hours of sunshine does Oshu have in April?
How high is the UV index in April in Oshu?
Average temperature in April
Oshu, Japan
- Average high temperature in April: 11.8°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in April: 3.1°C
The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in April
Oshu, Japan
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in April
Oshu, Japan
- Average wind speed in April: 11.6km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in April
Oshu, Japan
- Average humidity in April: 77%
The months with the highest relative humidity are January and July (87%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in April
Oshu, Japan
- Average rainfall in April: 75mm
The wettest month (with the highest rainfall) is October (108mm).
The driest month (with the least rainfall) is November (41mm).
Average rainfall days in April
Oshu, Japan
- Average rainfall days in April: 14.4 days
The months with the highest number of rainy days are July and December (16.4 days).
The month with the least rainy days is May (11.4 days).
Average snowfall in April
Oshu, Japan
- Average snowfall in April: 23mm
The month with the highest snowfall is January (221mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Oshu, Japan
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (23.3 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
Oshu, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Oshu, Japan
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is January (3.9 days).
Average UV index in April
Oshu, Japan
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Oshu, Japan
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is October (Cloud cover 42).
Average visibility in April
Oshu, Japan
- Average visibility in April: 9km
The months with the highest visibility are March, April and November (9km).
The months with the lowest visibility are January, July, August and September (7km).
Oshu, Japan
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