January weather forecastProspect Heights, CO
January
Weather in January
January, like December, in Prospect Heights, Colorado, is a wintry winter month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 37°F (2.8°C).Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 37°F (2.8°C) and a low of 19°F (-7.2°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 69%.Rainfall
The months with the least rainfall are January and November Rain falls for 3.3 days and accumulates 0.31" (8mm) of rain.Snowfall
January through May, October through December are months with snowfall in Prospect Heights. In January, in Prospect Heights, it is snowing for 6 days. Throughout January, 2.28" (58mm) of snow is accumulated. Throughout the year, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
In Prospect Heights, Colorado, the average length of the day in January is 9h and 51min.On the first day of January, sunrise is at 7:18 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:21 pm MST.
Sunshine
The average sunshine in January is 7.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Prospect Heights. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Prospect Heights, CO
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in January
Prospect Heights, CO
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in January
Prospect Heights, CO
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Prospect Heights, CO
- Average humidity in January: 69%
The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).
Average rainfall in January
Prospect Heights, CO
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").
Average rainfall days in January
Prospect Heights, CO
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in January
Prospect Heights, CO
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Prospect Heights, CO
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Prospect Heights, CO
- Average daylight in January: 9h and 54min
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: 7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in January
Prospect Heights, CO
- Average sunshine days in January: 23.4 days
The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in January
Prospect Heights, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Prospect Heights, CO
- Average cloud cover in January: 21
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).
Average visibility in January
Prospect Heights, CO
- 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).





