April weather forecastHeiwajima, Japan
April
Weather in April
April is a refreshing spring month in Heiwajima, Japan, with an average temperature varying between 17.2°C (63°F) and 10.8°C (51.4°F).Temperature
In Heiwajima, the average high-temperature in April slightly rises, from a cool 12.8°C (55°F) in March, to a comfortable 17.2°C (63°F). Throughout the month of April, Heiwajima expects an average low of 10.8°C (51.4°F).Humidity
In Heiwajima, the average relative humidity in April is 69%.Rainfall
In Heiwajima, in April, during 13.8 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Heiwajima, Japan, during the entire year, the rain falls for 154.1 days and collects up to 754mm (29.69") of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Heiwajima, the average length of the day in April is 13h and 5min.On the first day of April, sunrise is at 05:27 and sunset at 18:02. On the last day of the month, sunrise is at 04:49 and sunset at 18:26 JST.
Sunshine
In April, the average sunshine is 8.6h.UV index
In April, the average daily maximum UV index in Heiwajima is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 5 in April interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Heiwajima, Japan
- Average high temperature in April: 17.2°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in April: 10.8°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in April
Heiwajima, Japan
- Average pressure in April: 1014.2mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in April
Heiwajima, Japan
- Average wind speed in April: 17.3km/h
The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in April
Heiwajima, Japan
- Average humidity in April: 69%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).
Average rainfall in April
Heiwajima, Japan
- Average rainfall in April: 70mm
The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).
Average rainfall days in April
Heiwajima, Japan
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
Heiwajima, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in April
Heiwajima, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2 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
Heiwajima, Japan
- Average daylight in April: 13h and 6min
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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in April
Heiwajima, Japan
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in April
Heiwajima, Japan
- Average UV index in April: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in April
Heiwajima, Japan
- Average cloud cover in April: 42
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in April
Heiwajima, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
