January weather forecastRosewood Heights, IL
January
Weather in January
January, like December, in Rosewood Heights, Illinois, is a wintry winter month, with an average temperature ranging between max 36.1°F (2.3°C) and min 23.4°F (-4.8°C).Temperature
Rosewood Heights notes the coldest temperatures in January, with a high average of 36.1°F (2.3°C) and a low of 23.4°F (-4.8°C).Humidity
In Rosewood Heights, the average relative humidity in January is 77%.Rainfall
In Rosewood Heights, in January, during 5.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Rosewood Heights, in January, snow falls for 6 days, with typically accumulated 1.18" (30mm) of snow. In Rosewood Heights, Illinois, during the entire year, snow falls for 18.6 days and aggregates up to 4.53" (115mm) of snow.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, 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.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, IL
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 30min
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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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
Rosewood Heights, 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).
