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
April
Weather in April
Temperature
A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a cool 12.8°C (55°F) in March to an enjoyable 17.7°C (63.9°F). Nighttime temperature experiences an average drop to a cool 10.1°C (50.2°F) in April.Humidity
The months with the lowest humidity are March through May, with an average relative humidity of 68%.Rainfall
In Shimotsui, during April, the rain falls for 10 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 133 rainfall days, and 442mm (17.4") of precipitation is accumulated.Snowfall
In Shimotsui, snow does not fall in March through November.Daylight
In Shimotsui, the average length of the day in April is 13h and 3min.On the first day of the month, sunrise is at 05:51 and sunset at 18:25. On the last day of April, sunrise is at 05:15 and sunset at 18:48 JST.
Sunshine
The average sunshine in April is 9.4h.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 unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in April translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Shimotsui have in April?
What is the UV index intensity in April?
Average temperature in April
Shimotsui, Japan
- Average high temperature in April: 17.7°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in April: 10.1°C
The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in April
Shimotsui, Japan
- Average pressure in April: 1015.1mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in April
Shimotsui, Japan
- Average wind speed in April: 11.1km/h
The windiest months (with the highest average wind speed) are January and December (14.6km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in April
Shimotsui, Japan
- Average humidity in April: 68%
The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are March, April and May (68%).
Average rainfall in April
Shimotsui, Japan
- Average rainfall in April: 38mm
The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is November (13mm).
Average rainfall days in April
Shimotsui, Japan
- Average rainfall days in April: 10 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in April
Shimotsui, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Shimotsui, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Shimotsui, Japan
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Shimotsui, Japan
- Average sunshine days in April: 18.2 days
The month with the most sunshine days is May (20.2 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in April
Shimotsui, 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 and December (UV index 2).
Average cloud cover in April
Shimotsui, Japan
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Shimotsui, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
