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 onset brings a rise in the average high-temperature, moving from a refreshing 55.6°F (13.1°C) in March to a comfortable 66.6°F (19.2°C). During April, Ullin records a consistent average nighttime temperature of 48.9°F (9.4°C).Humidity
The average relative humidity in April is 78%.Rainfall
April is the month with the most rainfall in Ullin. Rain falls for 13.4 days and accumulates 3.31" (84mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Ullin aggregates 0.08" (2mm) of snow. In Ullin, during the entire year, snow falls for 14.9 days and aggregates up to 6.06" (154mm) of snow.Daylight
The average length of the day in April in Ullin is 13h and 11min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:19 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:45 pm CDT.
Sunshine
In Ullin, the average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April in Ullin is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in April translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Ullin?
What is the average humidity in April in Ullin?
What is the wettest month in Ullin?
How many days does it rain in April in Ullin?
What is the last month it snows in Ullin?
What is the average length of the day in April in Ullin?
When are sunrise and sunset in April in Ullin?
How many hours of sunshine does Ullin have in April?
What is the UV index reading in April in Ullin?
Average temperature in April
Ullin, IL
- Average high temperature in April: 66.6°F
The warmest month (with the highest average high temperature) is July (88.3°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 (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
Ullin, 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 (29.94"Hg).
Average wind speed in April
Ullin, IL
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Ullin, IL
- Average humidity in April: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Ullin, IL
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Ullin, IL
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in April
Ullin, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Ullin, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (4.6 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
Ullin, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Ullin, IL
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in April
Ullin, 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
Ullin, IL
- Average cloud cover in April: 42
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in April
Ullin, 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).
Ullin, Illinois, USA
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