April weather forecastHayashima, Japan
April
Weather in April
April is a comfortable spring month in Hayashima, Japan, with an average temperature varying between 9.6°C (49.3°F) and 16.9°C (62.4°F).Temperature
The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's cool 12.3°C (54.1°F) to an enjoyable 16.9°C (62.4°F). Hayashima witnesses a consistent average low-temperature of 9.6°C (49.3°F) throughout April.Humidity
March through May, with an average relative humidity of 70%, are the least humid months in Hayashima.Rainfall
In April, the rain falls for 11.2 days. Throughout April, 69mm (2.72") of precipitation is accumulated. In Hayashima, during the entire year, the rain falls for 145.7 days and collects up to 742mm (29.21") of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in April in Hayashima is 13h and 4min.On the first day of April, sunrise is at 05:51 and sunset at 18:25. On the last day of the month, sunrise is at 05:15 and sunset at 18:48 JST.
Sunshine
In Hayashima, Japan, the average sunshine in April is 9.5h.UV index
In Hayashima, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April leads to these advisories:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hayashima, Japan
- Average high temperature in April: 16.9°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in April: 9.6°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in April
Hayashima, Japan
- Average pressure in April: 1015.1mbar
The months with the highest atmospheric pressure are January and February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in April
Hayashima, Japan
- Average wind speed in April: 11km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).
Average humidity in April
Hayashima, Japan
- Average humidity in April: 70%
The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and May (70%).
Average rainfall in April
Hayashima, Japan
- Average rainfall in April: 69mm
The wettest month (with the highest rainfall) is July (122mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in April
Hayashima, Japan
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Hayashima, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in April
Hayashima, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.4 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
Hayashima, Japan
- Average daylight in April: 13h and 6min
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 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Hayashima, Japan
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in April
Hayashima, 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
Hayashima, Japan
- Average cloud cover in April: 35
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Hayashima, 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).





