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 arrival of April brings an increase in high-temperatures, moving from 55.4°F (13°C) in March to a still refreshing 66.4°F (19.1°C). An average temperature of 48.9°F (9.4°C) is recorded during the nights in April.Humidity
In April, the average relative humidity is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.7 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Cottonwood. During 0.3 snowfall days, in April, Cottonwood aggregates 0.04" (1mm) of snow. Throughout the year, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:56 am and sunset at 7:42 pm CDT.
Sunshine
In Cottonwood, the average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during April translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cottonwood in April?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Cottonwood, IL
- Average high temperature in April: 66.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 48.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
Cottonwood, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Cottonwood, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Cottonwood, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Cottonwood, IL
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in April
Cottonwood, IL
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in April
Cottonwood, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Cottonwood, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.8 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
Cottonwood, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Cottonwood, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Cottonwood, IL
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Cottonwood, IL
- Average cloud cover in April: 40
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in April
Cottonwood, 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).
Cottonwood, Illinois, USA
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