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 is the month when Highland, Illinois, sees the lowest average temperatures, with a high of 36.9°F (2.7°C) and a low of 23.7°F (-4.6°C).Humidity
The average relative humidity in January in Highland is 76%.Rainfall
In Highland, during January, the rain falls for 5.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. In Highland, in January, snow falls for 4.8 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, in Highland, there are 15.9 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
In Highland, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:18 pm CST.
Sunshine
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Highland. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in January translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Highland?
How cold is it in Highland in January?
What is the average humidity in January in Highland?
How much does it rain in Highland in January?
How much does it snow in Highland in January?
How many hours of daylight does Highland have in January?
When are sunrise and sunset in January in Highland?
What are the months with the least sunshine in Highland?
How long on average sun shines in January in Highland?
When is the lowest UV index in Highland?
What is the UV index reading in January in Highland?
Average temperature in January
Highland, IL
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 23.7°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 (23.7°F).
Average pressure in January
Highland, 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
Highland, IL
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Highland, IL
- Average humidity in January: 76%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Highland, IL
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in January
Highland, IL
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in January
Highland, IL
- Average snowfall in January: 0.51"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Highland, IL
- Average snowfall days in January: 4.8 days
The months with the highest number of snowfall days are January and February (4.8 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
Highland, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in January
Highland, IL
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in January
Highland, 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
Highland, IL
- Average cloud cover in January: 50
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in January
Highland, 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).
Highland, Illinois, USA
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