Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
The advent of February signifies a minor shift to an average high-temperature of a still icy 38.3°F (3.5°C), aligning closely with January. During February, the nighttime temperature in South Jacksonville averages to a freezing cold 24.6°F (-4.1°C).Humidity
In February, the average relative humidity is 78%.Rainfall
In South Jacksonville, in February, it is raining for 7.1 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 148.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In February, in South Jacksonville, it is snowing for 7.2 days. Throughout February, 2.68" (68mm) of snow is accumulated. In South Jacksonville, during the entire year, snow falls for 28.3 days and aggregates up to 9.76" (248mm) of snow.Daylight
In South Jacksonville, Illinois, the average length of the day in February is 10h and 44min.On the first day of February, sunrise is at 7:08 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:52 pm CST.
Sunshine
The average sunshine in February is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In February, the maximum UV index of 2 suggests this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in February?
What is the average humidity in February?
How many days does it rain in February?
How many days does it snow in February?
How many hours of daylight does South Jacksonville have in February?
What time are sunrise and sunset in February?
How many hours of sunshine does South Jacksonville have in February?
When is the lowest UV index?
What is the UV index reading in February?
Average temperature in February
South Jacksonville, IL
- Average high temperature in February: 38.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in February: 24.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in February
South Jacksonville, IL
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in February
South Jacksonville, IL
- Average wind speed in February: 10mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in February
South Jacksonville, IL
- Average humidity in February: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
South Jacksonville, IL
- Average rainfall in February: 1.61"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in February
South Jacksonville, IL
- Average rainfall days in February: 7.1 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in February
South Jacksonville, IL
- Average snowfall in February: 2.68"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in February
South Jacksonville, IL
- Average snowfall days in February: 7.2 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
South Jacksonville, IL
- Average daylight in February: 10h and 4min
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 February: 4h and 4min
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 18min).
Average sunshine days in February
South Jacksonville, IL
- Average sunshine days in February: 14.8 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in February
South Jacksonville, IL
- Average UV index in February: 2
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 February
South Jacksonville, IL
- Average cloud cover in February: 51
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in February
South Jacksonville, IL
- Average visibility in February: 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).
South Jacksonville, Illinois, USA
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