January weather forecastNew Castle, CO
January
Weather in January
January, like December, is another subzero cold winter month in New Castle, Colorado, with temperature in the range of an average low of 12°F (-11.1°C) and an average high of 30.6°F (-0.8°C).Temperature
With its high average temperature of 30.6°F (-0.8°C) and a low of 12°F (-11.1°C), January is regarded as the coldest month.Humidity
With an average relative humidity of 85%, January is the most humid month in New Castle, Colorado.Rainfall
In January, the rain falls for 7.2 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in New Castle, there are 107.7 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
Months with snowfall in New Castle, Colorado, are January through May, October through December. In New Castle, Colorado, in January, during 13 snowfall days, 7.44" (189mm) of snow is typically accumulated. Throughout the year, there are 58.6 snowfall days, and 36.85" (936mm) of snow is accumulated.Daylight
The average length of the day in January in New Castle is 9h and 45min.On the first day of January in New Castle, Colorado, sunrise is at 7:30 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:28 pm MST.
Sunshine
With an average of 6.1h of sunshine, January has the least sunshine of the year in New Castle.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle, Colorado. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
New Castle, CO
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 12°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
New Castle, CO
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).
Average wind speed in January
New Castle, CO
- Average wind speed in January: 4.1mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.1mph).
Average humidity in January
New Castle, CO
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is June (43%).
Average rainfall in January
New Castle, CO
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in January
New Castle, CO
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is June (5.9 days).
Average snowfall in January
New Castle, CO
- Average snowfall in January: 7.44"
The month with the highest snowfall is February (8.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
New Castle, CO
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
New Castle, CO
- Average daylight in January: 9h and 48min
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 24min).
- Average sunshine in January: 6h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in January
New Castle, CO
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is June (20.7 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in January
New Castle, 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, March, October, November and December (UV index 2).
Average cloud cover in January
New Castle, CO
- Average cloud cover in January: 35
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in January
New Castle, CO
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
