February weather forecastSaint Jacob, IL
February
Weather in February
The last month of the winter, February, is also an icy month in Saint Jacob, Illinois, with an average temperature varying between 41.5°F (5.3°C) and 27.3°F (-2.6°C).Temperature
Stepping into February, Saint Jacob records an average high-temperature of a still icy 41.5°F (5.3°C), almost consistent with January. During the month of February, an average temperature of 27.3°F (-2.6°C) is noted during the nights.Humidity
The average relative humidity in February is 78%.Rainfall
February is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.55" (14mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Saint Jacob, Illinois, in February, snow falls for 4.8 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, there are 15.9 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
In February, the average length of the day in Saint Jacob is 10h and 47min.On the first day of the month, sunrise is at 7:04 am and sunset at 5:20 pm. On the last day of February, sunrise is at 6:31 am and sunset at 5:51 pm CST.
Sunshine
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during February leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Saint Jacob, IL
- Average high temperature in February: 41.5°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in February: 27.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in February
Saint Jacob, IL
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Saint Jacob, IL
- Average wind speed in February: 9.6mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in February
Saint Jacob, IL
- Average humidity in February: 78%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Saint Jacob, IL
- Average rainfall in February: 0.55"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in February
Saint Jacob, IL
- Average rainfall days in February: 6.1 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in February
Saint Jacob, IL
- Average snowfall in February: 0.47"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in February
Saint Jacob, IL
- Average snowfall days in February: 4.8 days
The months with the highest number of snowfall days are January and February (4.8 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
Saint Jacob, IL
- Average daylight in February: 10h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in February: 4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in February
Saint Jacob, IL
- Average sunshine days in February: 18.3 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in February
Saint Jacob, IL
- Average UV index in February: 2
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, November and December (UV index 2).
Average cloud cover in February
Saint Jacob, IL
- Average cloud cover in February: 50
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in February
Saint Jacob, IL
- Average visibility in February: 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).





