April weather forecastKainan, Japan
April
Weather in April
April in Kainan, Japan, is a refreshing spring month, with an average temperature ranging between min 11.2°C (52.2°F) and max 16.6°C (61.9°F).Temperature
The start of April signals a slight increase in the average high-temperature, moving from a cool 12.5°C (54.5°F) in March to a comfortable 16.6°C (61.9°F). April nights in Kainan are marked by an average temperature drop to a fresh 11.2°C (52.2°F).Humidity
In Kainan, the average relative humidity in April is 71%.Rainfall
In Kainan, during April, the rain falls for 12.5 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Kainan, Japan, there are 173.9 rainfall days, and 658mm (25.91") of precipitation is accumulated.Snowfall
In Kainan, snow does not fall in April through November.Sea temperature
In Kainan, the average seawater temperature in April is 17.1°C (62.8°F).Note: In water with a temperature of 17.1°C (62.8°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
The average length of the day in April in Kainan is 13h and 2min.On the first day of April, sunrise is at 05:46 and sunset at 18:19. On the last day of the month, sunrise is at 05:10 and sunset at 18:42 JST.
Sunshine
In April, the average sunshine 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 moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during April leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kainan, Japan
- Average high temperature in April: 16.6°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in April: 11.2°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 (4.8°C).
Average pressure in April
Kainan, Japan
- Average pressure in April: 1015mbar
The months with the highest atmospheric pressure are January and February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in April
Kainan, Japan
- Average wind speed in April: 14.9km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).
Average humidity in April
Kainan, Japan
- Average humidity in April: 71%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (70%).
Average rainfall in April
Kainan, Japan
- Average rainfall in April: 46mm
The wettest month (with the highest rainfall) is July (111mm).
The driest months (with the least rainfall) are January and February (30mm).
Average rainfall days in April
Kainan, Japan
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is May (10.8 days).
Average snowfall in April
Kainan, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Kainan, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Kainan, Japan
- Average sea temperature in April: 17.1°C
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).
Average daylight in April /
Average sunshine in April
Kainan, Japan
- Average daylight in April: 13h and 0min
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 24min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Kainan, Japan
- Average sunshine days in April: 15.6 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in April
Kainan, 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
Kainan, Japan
- Average cloud cover in April: 36
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Kainan, 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).
