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 36.1°F (2.3°C) and a low-temperature of 23.4°F (-4.8°C), is the coldest month.Humidity
In Roxana, the average relative humidity in January is 77%.Rainfall
In Roxana, Illinois, in January, it is raining for 5.6 days, with typically 1.26" (32mm) of accumulated precipitation. In Roxana, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In January, it is snowing for 6 days. Throughout January, 1.18" (30mm) of snow is accumulated. Throughout the year, in Roxana, there are 18.6 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of January, in Roxana, sunrise is at 7:07 am and sunset at 5:19 pm CST.
Sunshine
January and February, with an average of 4.5h of sunshine, are months with the least sunshine in Roxana.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. 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
What is the coldest time of year in Roxana?
How cold is January in Roxana?
What is the average humidity in January in Roxana?
How much does it rain in Roxana in January?
How much does it snow in Roxana in January?
What is the average length of the day in January in Roxana?
When are sunrise and sunset in January in Roxana?
What is the month with the least sunshine in Roxana?
How many hours of sunshine does Roxana have in January?
What are the months with the lowest UV index in Roxana?
How high is the UV index in January in Roxana?
Average temperature in January
Roxana, IL
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Roxana, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Roxana, IL
- Average wind speed in January: 9.6mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in January
Roxana, IL
- Average humidity in January: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Roxana, IL
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Roxana, IL
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in January
Roxana, IL
- Average snowfall in January: 1.18"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Roxana, IL
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 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
Roxana, IL
- Average daylight in January: 9h 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 30min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in January
Roxana, IL
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in January
Roxana, IL
- 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, February, November and December (UV index 2).
Average cloud cover in January
Roxana, IL
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in January
Roxana, IL
- 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).
Roxana, Illinois, USA
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