Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, marked by an average high-temperature of 27.7°F (-2.4°C) and a low-temperature of 16.3°F (-8.7°C), is the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 83%.Rainfall
In Deer Park, in January, during 6.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Deer Park, Illinois, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
Months with snowfall in Deer Park are January through May, October through December. In Deer Park, Illinois, in January, during 15.5 snowfall days, 6.14" (156mm) of snow is typically accumulated. In Deer Park, during the entire year, snow falls for 55.5 days and aggregates up to 22.95" (583mm) of snow.Daylight
The average length of the day in January in Deer Park is 9h and 31min.On the first day of January in Deer Park, sunrise is at 7:20 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:04 pm CST.
Sunshine
The month with the least sunshine in Deer Park, Illinois, is January, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 in January translates into these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What month is the coldest in Deer Park?
How cold is January in Deer Park?
What are the most humid months in Deer Park?
What is the average humidity in January in Deer Park?
How much does it rain in Deer Park in January?
How many days does it snow in January in Deer Park?
How many hours of daylight does Deer Park have in January?
When is the sunrise / sunset in January in Deer Park?
What is the month with the least sunshine in Deer Park?
How long on average sun shines in January in Deer Park?
What are the months with the lowest UV index in Deer Park?
What is the UV index reading in January in Deer Park?
Average temperature in January
Deer Park, IL
- Average high temperature in January: 27.7°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in January: 16.3°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 (16.3°F).
Average pressure in January
Deer Park, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Deer Park, IL
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Deer Park, IL
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Deer Park, IL
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in January
Deer Park, IL
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Deer Park, IL
- Average snowfall in January: 6.14"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Deer Park, IL
- Average snowfall days in January: 15.5 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Deer Park, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Deer Park, IL
- Average sunshine days in January: 12.2 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in January
Deer Park, IL
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Deer Park, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in January
Deer Park, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Deer Park, Illinois, USA
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