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
With average high temperatures of 42.4°F (5.8°C) and lows of 27°F (-2.8°C), January is the coldest month.Humidity
January, July, August and October, with an average relative humidity of 73%, are the least humid months.Rainfall
In Wheaton, in January, it is raining for 7.4 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 152.1 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wheaton are January through May, November and December. The months with the most snowfall are January and February, with an average 2.17" (55mm) of accumulated snow.Daylight
The average length of the day in January in Wheaton is 9h and 59min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:10 pm. On the last day of January, in Wheaton, Missouri, sunrise is at 7:19 am and sunset at 5:40 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Wheaton. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Is it cold in Wheaton during January?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Wheaton have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Wheaton, MO
- Average high temperature in January: 42.4°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Wheaton, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Wheaton, MO
- Average wind speed in January: 9.7mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Wheaton, MO
- Average humidity in January: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in January
Wheaton, MO
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in January
Wheaton, MO
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Wheaton, MO
- Average snowfall in January: 2.17"
The months with the highest snowfall are January and February (2.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Wheaton, MO
- Average snowfall days in January: 4 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wheaton, MO
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Wheaton, MO
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Wheaton, MO
- Average UV index in January: 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 and December (UV index 2).
Average cloud cover in January
Wheaton, MO
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Wheaton, MO
- Average visibility in January: 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).
Wheaton, Missouri, USA
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