April weather forecast
Shinjuku, Japan

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Weather in April

April in Shinjuku, Japan, is a comfortable spring month, with an average temperature varying between 12.1°C (53.8°F) and 17°C (62.6°F).

Temperature

In Shinjuku, stepping into April brings a gentle temperature nudge, moving slightly up from March's mild 13.3°C (55.9°F) to a comfortable 17°C (62.6°F). A slight dip in temperature to a cool 12.1°C (53.8°F) marks the average nights in Shinjuku during April.

Humidity

The average relative humidity in April in Shinjuku is 70%.

Rainfall

In Shinjuku, during April, the rain falls for 13.6 days and regularly aggregates up to 73mm (2.87") of precipitation. In Shinjuku, Japan, during the entire year, the rain falls for 150.9 days and collects up to 867mm (34.13") of precipitation.

Snowfall

In Shinjuku, snow does not fall in April through December.

Daylight

In April, the average length of the day in Shinjuku is 13h and 6min.
On the first day of the month, sunrise is at 05:27 and sunset at 18:02. On the last day of April, in Shinjuku, Japan, sunrise is at 04:49 and sunset at 18:26 JST.

Sunshine

In April, the average sunshine in Shinjuku is 8.9h.

UV index

The average daily maximum UV index in April in Shinjuku is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 5 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the average April temperature in Shinjuku?

Shinjuku in April has an average high-temperature of 17°C (62.6°F) and an average low-temperature of 12.1°C (53.8°F).

What is the average humidity in April in Shinjuku?

The average relative humidity in April in Shinjuku is 70%.

How much does it rain in Shinjuku in April?

In Shinjuku, Japan, in April, during 13.6 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

When it does not snow in Shinjuku?

April through December are months without snowfall in Shinjuku.

Does it snow in Shinjuku in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Shinjuku have in April?

The average day length in April in Shinjuku, Japan, is 13h and 6min.

What time are sunrise and sunset in April in Shinjuku?

In April, on the first day of the month, sunrise is at 05:27 and sunset at 18:02. On the last day of the month, in Shinjuku, sunrise is at 04:49 and sunset at 18:26 JST.

How many hours of sunshine does Shinjuku have in April?

The average sunshine duration in April in Shinjuku, Japan, is 8.9h.

How high is the UV index in April in Shinjuku?

In Shinjuku, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Shinjuku, Japan

Average temperature in April - Shinjuku, Japan
  • Average high temperature in April: 17°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in April: 12.1°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

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Average pressure in April
Shinjuku, Japan

Average pressure in April - Shinjuku, Japan
  • Average pressure in April: 1014.2mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

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Average wind speed in April
Shinjuku, Japan

Average wind speed in April - Shinjuku, Japan
  • Average wind speed in April: 20.1km/h

The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).

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Average humidity in April
Shinjuku, Japan

Average humidity in April - Shinjuku, Japan
  • Average humidity in April: 70%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).

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Average rainfall in April
Shinjuku, Japan

Average rainfall in April - Shinjuku, Japan
  • Average rainfall in April: 73mm

The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).

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Average rainfall days in April
Shinjuku, Japan

Average rainfall days in April - Shinjuku, Japan
  • Average rainfall days in April: 13.6 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in April
Shinjuku, Japan

Average snowfall in April - Shinjuku, Japan
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in April
Shinjuku, Japan

Average snowfall days in April - Shinjuku, Japan
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in April / Average sunshine in April - Shinjuku, 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 48min).

  • Average sunshine in April: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in April
Shinjuku, Japan

Average sunshine days in April - Shinjuku, Japan
  • Average sunshine days in April: 13.5 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in April
Shinjuku, Japan

Average UV index in April - Shinjuku, Japan
  • Average UV index in April: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in April
Shinjuku, Japan

Average cloud cover in April - Shinjuku, Japan
  • Average cloud cover in April: 40

The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in April
Shinjuku, Japan

Average visibility in April - Shinjuku, Japan
  • Average visibility in April: 10km

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

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Shinjuku, Japan

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