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 coldest month, with an average high-temperature of 33.8°F (1°C) and an average low-temperature of 17.2°F (-8.2°C).Humidity
January is the most humid month, with an average relative humidity of 79%.Rainfall
January is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.47" (12mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Mack, in January, during 7.3 snowfall days, 2.28" (58mm) of snow is typically accumulated. Throughout the year, there are 30 snowfall days, and 13.03" (331mm) of snow is accumulated.Daylight
In Mack, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:02 pm. On the last day of January, in Mack, sunrise is at 7:23 am and sunset at 5:34 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 6.3h of 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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Mack have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Mack have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Mack, CO
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 17.2°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in January
Mack, CO
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).
Average wind speed in January
Mack, CO
- Average wind speed in January: 4.2mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in January
Mack, CO
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (30%).
Average rainfall in January
Mack, CO
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is October (1.02").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Mack, CO
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in January
Mack, CO
- Average snowfall in January: 2.28"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mack, CO
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mack, CO
- 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: 6h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in January
Mack, CO
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
Mack, CO
- Average UV index in January: 2
The months with the highest UV index are 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
Mack, CO
- Average cloud cover in January: 31
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in January
Mack, CO
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Mack, Colorado, USA
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