April weather forecast
Shionada, Japan

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Weather in April

April is a cool spring month in Shionada, Japan, with an average temperature ranging between min 1.1°C (34°F) and max 12.1°C (53.8°F).

Temperature

In Shionada, the average high-temperature in April increases from an icy 5.8°C (42.4°F) in March to a fresh 12.1°C (53.8°F). Throughout April, Shionada registers a consistent average low-temperature of 1.1°C (34°F).

Humidity

In Shionada, Japan, the average relative humidity in April is 75%.

Rainfall

In Shionada, in April, during 18.9 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In Shionada, during the entire year, the rain falls for 193.2 days and collects up to 926mm (36.46") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Shionada. April is the last month it regularly snows. During 3.2 snowfall days, in April, Shionada aggregates 83mm (3.27") of snow. Throughout the year, there are 77.1 snowfall days, and 965mm (37.99") of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 7min.
On the first day of April, sunrise is at 05:32 and sunset at 18:08. On the last day of the month, sunrise is at 04:54 and sunset at 18:32 JST.

Sunshine

The average sunshine in April is 8.7h.

UV index

In Shionada, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for Shionada in April?

In Shionada, in April, the average high-temperature is 12.1°C (53.8°F), and the average low-temperature is 1.1°C (34°F).

What is the average humidity in April in Shionada?

The average relative humidity in April in Shionada is 75%.

How many days does it rain in April in Shionada?

In Shionada, Japan, during April, the rain falls for 18.9 days and regularly aggregates up to 82mm (3.23") of precipitation.

What is the last month it snows in Shionada?

April is the last month it regularly snows. During 3.2 snowfall days, in April, Shionada aggregates 83mm (3.27") of snow.

How many hours of daylight does Shionada have in April?

In Shionada, the average day length in April is 13h and 7min.

When is the sunrise / sunset in April in Shionada?

In April, on the first day of the month, sunrise is at 05:32 and sunset at 18:08. On the last day of the month, in Shionada, sunrise is at 04:54 and sunset at 18:32 JST.

How many hours of sunshine does Shionada have in April?

The average sunshine duration in April is 8.7h.

What is the UV index reading in April in Shionada?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Shionada, Japan

Average temperature in April - Shionada, Japan
  • Average high temperature in April: 12.1°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.2°C).

  • Average low temperature in April: 1.1°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).

Average pressure in April
Shionada, Japan

Average pressure in April - Shionada, Japan
  • Average pressure in April: 1014.6mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in April
Shionada, Japan

Average wind speed in April - Shionada, Japan
  • Average wind speed in April: 8.7km/h

The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

Average humidity in April
Shionada, Japan

Average humidity in April - Shionada, Japan
  • Average humidity in April: 75%

The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is May (74%).

Average rainfall in April
Shionada, Japan

Average rainfall in April - Shionada, Japan
  • Average rainfall in April: 82mm

The wettest month (with the highest rainfall) is October (137mm).
The driest month (with the least rainfall) is December (43mm).

Average rainfall days in April
Shionada, Japan

Average rainfall days in April - Shionada, Japan
  • Average rainfall days in April: 18.9 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (13.3 days).

Average snowfall in April
Shionada, Japan

Average snowfall in April - Shionada, Japan
  • Average snowfall in April: 83mm

The month with the highest snowfall is January (276mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April
Shionada, Japan

Average snowfall days in April - Shionada, Japan
  • Average snowfall days in April: 3.2 days

The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Shionada, Japan

Average daylight in April / Average sunshine in April - Shionada, Japan
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

Average sunshine days in April
Shionada, Japan

Average sunshine days in April - Shionada, Japan
  • Average sunshine days in April: 7.9 days

The month with the most sunshine days is July (14.9 days).
The month with the least sunshine days is February (5.8 days).

Average UV index in April
Shionada, Japan

Average UV index in April - Shionada, Japan
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
Shionada, Japan

Average cloud cover in April - Shionada, Japan
  • Average cloud cover in April: 46

The month with the most cloud cover is September (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 44).

Average visibility in April
Shionada, Japan

Average visibility in April - Shionada, Japan
  • Average visibility in April: 8km

The months with the highest visibility are January, March, April, May and December (8km).
The months with the lowest visibility are July, August, September and October (6km).

Shionada, Japan

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