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
Dewey, Illinois, marks the start of February with an average high-temperature of a wintry 36.1°F (2.3°C), hinting at a slight fluctuation from January's 31.5°F (-0.3°C). Throughout February, Dewey records an average temperature of 23.5°F (-4.7°C) at night.Humidity
In Dewey, the average relative humidity in February is 81%.Rainfall
February is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Dewey, during February, snow falls for 6.7 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, in Dewey, there are 24.9 snowfall days, and 3.27" (83mm) of snow is accumulated.Daylight
In February, the average length of the day is 10h and 42min.On the first day of February, sunrise is at 7:02 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 5:44 pm CST.
Sunshine
In February, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In February, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is February?
What is the average humidity in February?
What is the driest month?
How much does it rain in February?
How much does it snow in February?
How many hours of daylight does Dewey have in February?
What time are sunrise and sunset in February?
How long on average sun shines in February in Dewey?
What is the month with the lowest UV index?
What is the UV index reading in February?
Average temperature in February
Dewey, IL
- Average high temperature in February: 36.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in February: 23.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in February
Dewey, IL
- Average pressure in February: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Dewey, IL
- Average wind speed in February: 10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in February
Dewey, IL
- Average humidity in February: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Dewey, IL
- Average rainfall in February: 0.51"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in February
Dewey, IL
- Average rainfall days in February: 4.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in February
Dewey, IL
- Average snowfall in February: 0.79"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
Dewey, IL
- Average snowfall days in February: 6.7 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in February /
Average sunshine in February
Dewey, IL
- Average daylight in February: 10h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in February: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in February
Dewey, IL
- Average sunshine days in February: 18.9 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in February
Dewey, 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
Dewey, IL
- Average cloud cover in February: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in February
Dewey, 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).
Dewey, Illinois, USA
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