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
April's arrival coincides with a rise in the average high-temperature, moving from March's chilly 49.6°F (9.8°C) to a refreshing 61.3°F (16.3°C). Plymouth's nights in April cool down to an average low-temperature of 44.2°F (6.8°C).Humidity
In April, the average relative humidity in Plymouth, Illinois, is 75%.Rainfall
In April, the rain falls for 10.9 days. Throughout April, 0.79" (20mm) of precipitation is accumulated. In Plymouth, during the entire year, the rain falls for 94.4 days and collects up to 7.76" (197mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Plymouth. April is the last month it regularly snows in Plymouth. During 0.7 snowfall days, in April, Plymouth aggregates 0.12" (3mm) of snow. Throughout the year, there are 20.5 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
In Plymouth, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:28 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in April in Plymouth, Illinois, is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are April temperatures in Plymouth?
What is the average humidity in April in Plymouth?
How many days does it rain in April in Plymouth?
What is the last month it snows in Plymouth?
How many hours of daylight does Plymouth have in April?
When are sunrise and sunset in April in Plymouth?
How long on average sun shines in April in Plymouth?
How high is the UV index in April in Plymouth?
Average temperature in April
Plymouth, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in April
Plymouth, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Plymouth, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Plymouth, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Plymouth, IL
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in April
Plymouth, IL
- Average rainfall days in April: 10.9 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Plymouth, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Plymouth, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Plymouth, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Plymouth, IL
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (13.9 days).
Average UV index in April
Plymouth, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Plymouth, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Plymouth, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Plymouth, Illinois, USA
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