The weather in April in Japan

It's cool to moderate in April in Japan with an average temperature of 17°C. Temperatures this month range from a low of 14°C to a high of 20°C. At night, you can expect temperatures between 3°C and 10°C.

Looking for sun and warm weather? April isn’t a good month to be in Japan. The temperatures are too low for a warm stay this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 28°C in 2023, Japan reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 2°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 18°C.

Precipitation and snowfall

In April, there is an average of 89 mm of precipitation, spread over 12 days. Of the total precipitation, about 3,3 cm falls as snow in April. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in April for Japan

Click on any day in April to get detailed info about the usual weather on that day in Japan. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  Japan New York
Average temperature 17°C 17°C
Max. temperature 20°C 22°C
Min. temperature 3°C -5°C
Total precipitation 89 mm 81 mm
Rainy days 12 days 11 days
Total snowfall 3,3 cm 0,4 cm
Snowy days 2 days 1 day

Start of April

The month of April starts in Japan with cool temps, averaging around 16°C during the day and nights around 5°C.

Mid April

By mid-April, daytime temps rise to around 17°C, with nights around 7°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of April

By the end of April, the average daytime temperature in Japan is around 20°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable vacations to Japan

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Japan for all months and discover the best travel time

The climate in Japan is based on weather data from Tokyo. Other places, like Kyōto, Osaka or Hokkaido, might have different weather. You can check out all destinations in Japan to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in April in Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in Japan

Temperature in April in Japan over the years

Precipitation charts

These charts show the average amount of precipitation in April in Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in April in Japan

Total precipitation in April in Japan over the years

Daily Snowfall in April in Japan

Snowfall in April in Japan per year

Daily UV index in April in Japan

This chart shows the average daily UV index in April in Japan, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in April in Japan

Have you been to Japan in April?

Share your weather experience in April in Japan.

Your email will not be shown in the review and will not be shared with others.

Average weather in Japan by month

Click on a month below to see detailed weather info for Japan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.