January weather forecastHamilton, CO
January
Weather in January
January, the same as December, in Hamilton, Colorado, is a freezing cold winter month, with an average temperature fluctuating between 10.9°F (-11.7°C) and 28.8°F (-1.8°C).Temperature
January is the month when Hamilton sees the lowest average temperatures, with a high of 28.8°F (-1.8°C) and a low of 10.9°F (-11.7°C).Humidity
January and February, with an average relative humidity of 84%, are the most humid months.Rainfall
In Hamilton, in January, during 3.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Hamilton, Colorado, during the entire year, the rain falls for 76.8 days and collects up to 9.88" (251mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Hamilton. In January, it is snowing for 12 days. Throughout January, 6.81" (173mm) of snow is accumulated. In Hamilton, Colorado, during the entire year, snow falls for 68.6 days and aggregates up to 41.3" (1049mm) of snow.Daylight
In January, the average length of the day in Hamilton is 9h and 41min.On the first day of January in Hamilton, Colorado, sunrise is at 7:33 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:27 pm MST.
Sunshine
In January, the average sunshine is 5.6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hamilton, CO
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in January
Hamilton, 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 (29.92"Hg).
Average wind speed in January
Hamilton, CO
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in January
Hamilton, CO
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in January
Hamilton, CO
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").
Average rainfall days in January
Hamilton, CO
- Average rainfall days in January: 3.1 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in January
Hamilton, CO
- Average snowfall in January: 6.81"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Hamilton, CO
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Hamilton, CO
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in January
Hamilton, CO
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in January
Hamilton, CO
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Hamilton, CO
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in January
Hamilton, CO
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
