April weather forecastWako, Japan
April
Weather in April
April in Wako, Japan, is a refreshing spring month, with an average temperature varying between 10°C (50°F) and 17.8°C (64°F).Temperature
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a moderate 13.3°C (55.9°F) to an enjoyable 17.8°C (64°F). During April, Wako's temperature averages to a cool 10°C (50°F) at night.Humidity
In April, the average relative humidity in Wako is 66%.Rainfall
In Wako, during April, the rain falls for 13 days and regularly aggregates up to 50mm (1.97") of precipitation. In Wako, during the entire year, the rain falls for 138 days and collects up to 580mm (22.83") of precipitation.Snowfall
In Wako, snow does not fall in April through October and December.Daylight
In Wako, the average length of the day in April is 13h and 6min.On the first day of the month, sunrise is at 05:27 and sunset at 18:03. On the last day of April, in Wako, sunrise is at 04:50 and sunset at 18:27 JST.
Sunshine
In April, the average sunshine in Wako is 9.1h.UV index
The average daily maximum UV index in April in Wako, Japan, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Wako, Japan
- Average high temperature in April: 17.8°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in April: 10°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 (2°C).
Average pressure in April
Wako, Japan
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in April
Wako, Japan
- Average wind speed in April: 12.6km/h
The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is November (9.7km/h).
Average humidity in April
Wako, Japan
- Average humidity in April: 66%
The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (59%).
Average rainfall in April
Wako, Japan
- Average rainfall in April: 50mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is December (19mm).
Average rainfall days in April
Wako, Japan
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in April
Wako, Japan
- Average snowfall in April: 0mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in April
Wako, Japan
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in April /
Average sunshine in April
Wako, 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: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in April
Wako, Japan
- Average sunshine days in April: 14.9 days
The month with the most sunshine days is January (26 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in April
Wako, Japan
- Average UV index in April: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in April
Wako, Japan
- Average cloud cover in April: 39
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Wako, Japan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (10km).
The months with the lowest visibility are June, July and September (9km).





