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
The onset of April brings a rise in the average high-temperature, elevating from a fresh 51.4°F (10.8°C) in March to an enjoyable 63.1°F (17.3°C). During April, the temperature tends to dip to an average of 46.2°F (7.9°C) at night.Humidity
In Palmer, the average relative humidity in April is 75%.Rainfall
April is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.58" (91mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Palmer. During 0.7 snowfall days, in April, Palmer aggregates 0.08" (2mm) of snow. In Palmer, during the entire year, snow falls for 26.3 days and aggregates up to 8.94" (227mm) of snow.Daylight
In Palmer, Illinois, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:50 pm CDT.
Sunshine
In Palmer, Illinois, the average sunshine in April is 8h.UV index
In Palmer, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, the UV index of 4 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Palmer?
When is the sunrise / sunset in April?
How many hours of sunshine does Palmer have in April?
How high is the UV index in April?
Average temperature in April
Palmer, IL
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Palmer, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Palmer, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Palmer, 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 (70%).
Average rainfall in April
Palmer, IL
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is April (3.58").
The driest months (with the least rainfall) are February and December (1.65").
Average rainfall days in April
Palmer, IL
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in April
Palmer, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Palmer, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (8.8 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
Palmer, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Palmer, IL
- Average sunshine days in April: 13 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11 days).
Average UV index in April
Palmer, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Palmer, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in April
Palmer, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Palmer, Illinois, USA
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