April weather forecast
Sayo, Japan

April

Weather in April

April in Sayo, Japan, is a refreshing spring month, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 9.2°C (48.6°F).

Temperature

Sayo's transition into April brings a slight rise in the average high-temperature, moving from a cool 11.3°C (52.3°F) in March to a comfortable 16.2°C (61.2°F). An average minimum temperature of 9.2°C (48.6°F) marks the month of April.

Humidity

The months with the lowest humidity in Sayo are March and April, with an average relative humidity of 73%.

Rainfall

In Sayo, Japan, in April, it is raining for 9.5 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, in Sayo, there are 138.1 rainfall days, and 420mm (16.54") of precipitation is accumulated.

Snowfall

March through November are months without snowfall in Sayo.

Daylight

In Sayo, the average length of the day in April is 13h and 4min.
On the first day of April in Sayo, sunrise is at 05:49 and sunset at 18:23. On the last day of the month, sunrise is at 05:12 and sunset at 18:47 JST.

Sunshine

In April, the average sunshine in Sayo is 9.3h.

UV index

In Sayo, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 4 in April leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in Sayo in April?
The average high-temperature and low-temperature during April are 16.2°C (61.2°F) and 9.2°C (48.6°F) respectively.
What are the least humid months in Sayo?
The months with the lowest humidity are March and April, with an average relative humidity of 73%.
What is the average humidity in April in Sayo?
In Sayo, Japan, the average relative humidity in April is 73%.
How many days does it rain in April in Sayo?
In Sayo, Japan, in April, during 9.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated.
When it does not snow in Sayo?
In Sayo, snow does not fall in March through November.
How many hours of daylight does Sayo have in April?
In April, the average day length in Sayo is 13h and 4min.
When is the sunrise / sunset in April in Sayo?
In April, on the first day of the month, sunrise is at 05:49 and sunset at 18:23. On the last day of the month, in Sayo, sunrise is at 05:12 and sunset at 18:47 JST.
How many hours of sunshine does Sayo have in April?
In Sayo, Japan, the average sunshine duration in April is 9.3h.
What is the UV index reading in April in Sayo?
In Sayo, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April
Sayo, Japan
  • Average high temperature in April: 16.2°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 (6.9°C).

  • Average low temperature in April: 9.2°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).

Average pressure in April
Sayo, Japan
  • Average pressure in April: 1015.1mbar

The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).

Average wind speed in April
Sayo, Japan
  • Average wind speed in April: 11.8km/h

The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is June (8.7km/h).

Average humidity in April
Sayo, Japan
  • Average humidity in April: 73%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are March and April (73%).

Average rainfall in April
Sayo, Japan
  • Average rainfall in April: 34mm

The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is November (11mm).

Average rainfall days in April
Sayo, Japan
  • Average rainfall days in April: 9.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in April
Sayo, Japan
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in April
Sayo, Japan
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (4.8 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
Sayo, Japan
  • Average daylight in April: 13h and 1min

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 54min).

  • Average sunshine in April: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in April
Sayo, Japan
  • Average sunshine days in April: 18.6 days

The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in April
Sayo, 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
Sayo, Japan
  • Average cloud cover in April: 36

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in April
Sayo, Japan
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).

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