April weather forecast and climate
Sapporo, Japan

Weather in April

April is a chilly spring month in Sapporo, Japan, with average temperature varying between 0.6°C (33.1°F) and 8.3°C (46.9°F).

Temperature

In Sapporo, the average high-temperature rises, from a wintry 0.8°C (33.4°F) in March, to a chilly 8.3°C (46.9°F). The average low-temperature, in April, is 0.6°C (33.1°F).

Humidity

April and May, with an average relative humidity of 77%, are the least humid months in Sapporo.

Rainfall

April is the month with the least rainfall. Rain falls for 15.4 days and accumulates 51mm (2.01") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in Sapporo, Japan. During 4.9 snowfall days, Sapporo aggregates 68mm (2.68") of snow. Throughout the year, in Sapporo, there are 111.9 snowfall days, and 1723mm (67.83") of snow is accumulated.

Daylight

In April, the average length of the day in Sapporo is 13.4h.

Sunshine

The average sunshine in April is 8.1h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the least humid months in Sapporo?

April and May, with an average relative humidity of 77%, are the least humid months in Sapporo.

What is the average humidity in April in Sapporo?

In Sapporo, the average relative humidity in April is 77%.

What is the driest month in Sapporo?

April is the month with the least rainfall in Sapporo, Japan. Rain falls for 15.4 days and accumulates 51mm (2.01") of precipitation.

How many days does it rain in April in Sapporo?

In Sapporo, Japan, during April, the rain falls for 15.4 days and regularly aggregates up to 51mm (2.01") of precipitation.

What is the last month it snows in Sapporo?

April is the last month it regularly snows. During 4.9 snowfall days, in April, Sapporo aggregates 68mm (2.68") of snow.

What is the average length of the day in April in Sapporo?

In April, the average length of the day in Sapporo is 13.4h.

How many hours of sunshine does Sapporo have in April?

In April, the average sunshine is 8.1h.

How high is the UV index in April in Sapporo?

In April, the average daily maximum UV index in Sapporo is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in April
Sapporo, Japan

Average temperature in April - Sapporo, Japan
  • Average high temperature in April: 8.3°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).

  • Average low temperature in April: 0.6°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).

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Average pressure in April
Sapporo, Japan

Average pressure in April - Sapporo, Japan
  • Average pressure in April: 1012.3mbar

The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).

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Average wind speed in April
Sapporo, Japan

Average wind speed in April - Sapporo, Japan
  • Average wind speed in April: 12.8km/h

The windiest months (with the highest average wind speed) are April and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

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Average humidity in April
Sapporo, Japan

Average humidity in April - Sapporo, Japan
  • Average humidity in April: 77%

The month with the highest relative humidity is January (90%).
Months with the lowest relative humidity are April and May (77%).

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Average rainfall in April
Sapporo, Japan

Average rainfall in April - Sapporo, Japan
  • Average rainfall in April: 51mm

The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (51mm).

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Average rainfall days in April
Sapporo, Japan

Average rainfall days in April - Sapporo, Japan
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in April
Sapporo, Japan

Average snowfall in April - Sapporo, Japan
  • Average snowfall in April: 68mm

The month with the highest snowfall is January (430mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in April
Sapporo, Japan

Average snowfall days in April - Sapporo, Japan
  • Average snowfall days in April: 4.9 days

The month with the highest number of snowfall days is January (28 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Sapporo, Japan
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 8.1h

The month with the most sunshine is August (Average sunshine: 8.8h).
The month with the least sunshine is January (Average sunshine: 2.2h).

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Average sunshine days in April
Sapporo, Japan

Average sunshine days in April - Sapporo, Japan
  • Average sunshine days in April: 10.8 days

The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is December (2.7 days).

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Average UV index in April
Sapporo, Japan

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in April
Sapporo, Japan

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

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 41).

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Average visibility in April
Sapporo, Japan

Average visibility in April - Sapporo, Japan
  • Average visibility in April: 9km

Months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).

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