April weather forecastPlymouth, WI
April
Weather in April
April is a chilly spring month in Plymouth, Wisconsin, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 36.1°F (2.3°C).Temperature
Plymouth in April experiences an increase in the average high-temperature, moving from March's cold 38.7°F (3.7°C) to a frosty 49.1°F (9.5°C). Plymouth experiences an average nighttime temperature of 36.1°F (2.3°C) in the month of April.Humidity
With an average relative humidity of 77%, April is the least humid month.Rainfall
In Plymouth, in April, during 15.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 146 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Plymouth, in April, during 4.5 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Plymouth, during the entire year, snow falls for 56.2 days and aggregates up to 20.16" (512mm) of snow.Daylight
In Plymouth, the average length of the day in April is 13h and 28min.On the first day of April in Plymouth, sunrise is at 6:31 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:53 pm CDT.
Sunshine
In Plymouth, the average sunshine in April is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Plymouth, WI
- Average high temperature in April: 49.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in April
Plymouth, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Plymouth, WI
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in April
Plymouth, WI
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Plymouth, WI
- Average rainfall in April: 3.11"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in April
Plymouth, WI
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in April
Plymouth, WI
- Average snowfall in April: 2.2"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Plymouth, WI
- Average snowfall days in April: 4.5 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Plymouth, WI
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in April
Plymouth, WI
- Average sunshine days in April: 10.6 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in April
Plymouth, WI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Plymouth, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in April
Plymouth, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
