Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, Japan experiences a temperature shift, with the average high-temperature moving from a frosty 43°F (6.1°C) in March to a cool 55°F (12.8°C). The average temperature during April nights is registered at a wintry 37.9°F (3.3°C).Humidity
The least humid month in Japan, Pennsylvania, is April, with an average relative humidity of 78%.Rainfall
In Japan, in April, during 16.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 35" (889mm) of precipitation is accumulated.Snowfall
Months with snowfall in Japan are January through May, October through December. In Japan, in April, during 3.6 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 60.9 snowfall days, and 38.9" (988mm) of snow is accumulated.Daylight
In Japan, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:59 pm EDT.
Sunshine
In Japan, the average sunshine in April is 7.1h.UV index
In April, the average daily maximum UV index in Japan is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Japan?
What is the least humid month in Japan?
What is the average humidity in April in Japan?
How many days does it rain in April in Japan?
How many days does it snow in April in Japan?
What is the average length of the day in April in Japan?
When are sunrise and sunset in April in Japan?
How many hours of sunshine does Japan have in April?
How high is the UV index in April in Japan?
Average temperature in April
Japan, PA
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Japan, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Japan, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Japan, PA
- Average humidity in April: 78%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in April
Japan, PA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in April
Japan, PA
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Japan, PA
- Average snowfall in April: 1.34"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Japan, PA
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Japan, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in April
Japan, PA
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in April
Japan, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Japan, PA
- Average cloud cover in April: 53
The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in April
Japan, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Japan, Pennsylvania, USA
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