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
Temperature readings reach their annual highs in January, averaging 36.1°F (2.3°C) and a minimum average of 23.4°F (-4.8°C).Humidity
The average relative humidity in January in Rosewood Heights is 77%.Rainfall
In Rosewood Heights, in January, it is raining for 5.6 days, with typically 1.26" (32mm) of accumulated precipitation. In Rosewood Heights, Illinois, 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 Rosewood Heights, in January, snow falls for 6 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, 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 Rosewood Heights, 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 Rosewood Heights.UV index
The months with the lowest UV index in Rosewood Heights are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the coldest months in Rosewood Heights?
How cold is it in Rosewood Heights in January?
What is the average humidity in January in Rosewood Heights?
How many days does it rain in January in Rosewood Heights?
How many days does it snow in January in Rosewood Heights?
How many hours of daylight does Rosewood Heights have in January?
When is the sunrise / sunset in January in Rosewood Heights?
What are the months with the least sunshine in Rosewood Heights?
How long on average sun shines in January in Rosewood Heights?
When is the lowest UV index in Rosewood Heights?
How high is the UV index in January in Rosewood Heights?
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 5min
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 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
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).
Rosewood Heights, Illinois, USA
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