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 stands out as Frederick's coldest month, with temperatures ranging between an average high of 32.7°F (0.4°C) and a low of 20.5°F (-6.4°C).Humidity
In January, the average relative humidity in Frederick is 79%.Rainfall
In January, the rain falls for 7 days. Throughout January, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Frederick, there are 142.2 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Frederick. January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.21" (107mm) of snow.Daylight
In Frederick, the average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Frederick are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Frederick?
How cold is it in Frederick in January?
What is the average humidity in January in Frederick?
How much does it rain in Frederick in January?
When does it snow the most in Frederick?
How many days does it snow in January in Frederick?
What is the average length of the day in January in Frederick?
When are sunrise and sunset in January in Frederick?
What is the month with the least sunshine in Frederick?
How many hours of sunshine does Frederick have in January?
When is the lowest UV index in Frederick?
What is the UV index reading in January in Frederick?
Average temperature in January
Frederick, IL
- Average high temperature in January: 32.7°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 (32.7°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Frederick, IL
- Average pressure in January: 30.15"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 January
Frederick, IL
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Frederick, IL
- Average humidity in January: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Frederick, IL
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in January
Frederick, IL
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Frederick, IL
- Average snowfall in January: 4.21"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Frederick, IL
- Average snowfall days in January: 10.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Frederick, IL
- Average daylight in January: 9h 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 January: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Frederick, IL
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Frederick, IL
- Average UV index in January: 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 January
Frederick, IL
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in January
Frederick, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Frederick, Illinois, USA
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