April weather forecastSumoto, Japan
April
Weather in April
April in Sumoto, Japan, is a refreshing spring month, with an average temperature fluctuating between 16.6°C (61.9°F) and 12.7°C (54.9°F).Temperature
The arrival of April introduces a minor uplift in high-temperatures, adjusting from a fresh 12.7°C (54.9°F) in March to an enjoyable 16.6°C (61.9°F). The low temperature average during April reflects a slight decrease to a cool 12.7°C (54.9°F) from the day's peak.Humidity
In April, the average relative humidity in Sumoto is 70%.Rainfall
In Sumoto, in April, it is raining for 13.8 days, with typically 98mm (3.86") of accumulated precipitation. Throughout the year, in Sumoto, there are 195.3 rainfall days, and 1230mm (48.43") of precipitation is accumulated.Snowfall
In Sumoto, snow does not fall in March through December.Sea temperature
In April, the average sea temperature in Sumoto is 17.2°C (63°F).Note: For most, swimming in 17.2°C (63°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.
Daylight
The average length of the day in April in Sumoto is 13h and 3min.On the first day of the month, sunrise is at 05:47 and sunset at 18:21. On the last day of April, in Sumoto, sunrise is at 05:11 and sunset at 18:43 JST.
Sunshine
In April, the average sunshine is 9.3h.UV index
In Sumoto, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 during April translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sumoto, Japan
- Average high temperature in April: 16.6°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in April: 12.7°C
The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).
Average pressure in April
Sumoto, Japan
- Average pressure in April: 1015.1mbar
The months with the highest atmospheric pressure are January and February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in April
Sumoto, Japan
- Average wind speed in April: 17.4km/h
The windiest month (with the highest average wind speed) is January (23.6km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in April
Sumoto, Japan
- Average humidity in April: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall in April
Sumoto, Japan
- Average rainfall in April: 98mm
The wettest month (with the highest rainfall) is July (190mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in April
Sumoto, Japan
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (20.7 days).
The months with the least rainy days are February and May (13.2 days).
Average snowfall in April
Sumoto, 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, November and December (0mm).
Average snowfall days in April
Sumoto, 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 sea temperature in April
Sumoto, Japan
- Average sea temperature in April: 17.2°C
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is February (15.7°C).
Average daylight in April /
Average sunshine in April
Sumoto, 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 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).
Average sunshine days in April
Sumoto, Japan
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is May (16.1 days).
The months with the least sunshine days are August and December (7.8 days).
Average UV index in April
Sumoto, Japan
- Average UV index in April: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in April
Sumoto, Japan
- Average cloud cover in April: 36
The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Sumoto, 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).





