Tokyo
Japan
Long-term weather forecast
Long-term weather forecast
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April weather forecast and Climate
Tokyo, Japan

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A stunning view of the cityscape of Tokyo, Japan, taken at dusk
A stunning view of the cityscape of Tokyo, Japan, taken at dusk
Spring takes off in full swing by April making Tokyo the place to be. The cherry blossoms and plum blossoms are breathtaking. The air smells wonderful, and it is a great time to be outdoors in the parks and sightseeing spots. The weather remains lovely with temperatures rising to a warm range from lowest averages of 10°C (50°F) to warmest averages of 17°C (62.6°F). Five hours of sunshine make it even better basking in the parks under the pleasant warmth.
Expect afternoon showers for about sixteen days in April making it relatively wet. The pleasant weather is not affected. The average monthly precipitation in April is 119.4mm (4.7"); carrying an umbrella or a raincoat is okay.
The ocean remains mildly cold at 17°C (62.6°F), but it may feel a lot warmer than that owing to the averagely low humidity and the strong mildly warm sunshine. The beaches may be moderately busy since the weather is not as cold.
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  • The average high temperature in April: 19°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (9.6°C).

  • The average low temperature in April: 9.4°C

The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

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  • The average humidity in April: 62%

The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (52%).

  • The average rainfall in April: 118.4mm

The wettest month (with the highest rainfall) is May (145.4mm).
The driest month (with the lowest rainfall) is February (58.2mm).

  • The average rainfall days in April: 9.9 days

The month with the highest number of rainy days is October (13 days).
The month with the lowest number of rainy days is July (8.4 days).

  • The average snowfall in April: 0mm

Months with the highest snowfall are January and February (50mm).
Months with the lowest snowfall are April, May, June, July, August, September, October, November and December (0mm).

  • The average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (3.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September, October and November (0 days).

  • The average sea temperature in April: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (14°C).

  • The average daylight in April: 13h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in April: 5.9h

The month with most sunshine is January (Average sunshine: 6h).
The month with least sunshine is September (Average sunshine: 4h).

  • The average UV index in April: 7

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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