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
Saint Johns notes an average high-temperature of a frosty 43.7°F (6.5°C) in February, hardly diverging from January. Throughout February, the average low-temperature dips to a subzero cold 29.5°F (-1.4°C).Humidity
In Saint Johns, the average relative humidity in February is 77%.Rainfall
In Saint Johns, in February, it is raining for 8.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Saint Johns, during the entire year, the rain falls for 147.6 days and collects up to 29.17" (741mm) of precipitation.Snowfall
Months with snowfall in Saint Johns are January through April, November and December. February is the month with the most snowfall. Snow falls for 5.1 days and accumulates 1.5" (38mm) of snow.Daylight
In Saint Johns, the average length of the day in February is 10h and 49min.On the first day of the month, sunrise is at 7:01 am and sunset at 5:19 pm. On the last day of February, sunrise is at 6:28 am and sunset at 5:49 pm CST.
Sunshine
The average sunshine in February is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Johns, Illinois. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In February, the UV index of 2 transforms into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during February?
What is the average humidity in February?
How many days does it rain in February in Saint Johns?
What is the snowiest month?
How much does it snow in February?
How many hours of daylight does Saint Johns have in February?
When are sunrise and sunset in February?
How long on average sun shines in February?
What are the months with the lowest UV index?
How high is the UV index in February?
Average temperature in February
Saint Johns, IL
- Average high temperature in February: 43.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in February: 29.5°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in February
Saint Johns, 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 (29.93"Hg).
Average wind speed in February
Saint Johns, IL
- Average wind speed in February: 9.6mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in February
Saint Johns, IL
- Average humidity in February: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Saint Johns, IL
- Average rainfall in February: 1.54"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in February
Saint Johns, IL
- Average rainfall days in February: 8.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in February
Saint Johns, IL
- Average snowfall in February: 1.5"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
Saint Johns, IL
- Average snowfall days in February: 5.1 days
The month with the highest number of snowfall days is January (5.4 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 Johns, IL
- Average daylight in February: 10h and 5min
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 36min).
- Average sunshine in February: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in February
Saint Johns, IL
- Average sunshine days in February: 15 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in February
Saint Johns, 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
Saint Johns, IL
- Average cloud cover in February: 50
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in February
Saint Johns, 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).
Saint Johns, Illinois, USA
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