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
Littleton's shift from December to January is accompanied by an average high-temperature of a still wintry 41.5°F (5.3°C), a slight deviation from 41°F (5°C). During the month of January, the temperature in Littleton falls to an average of 22.1°F (-5.5°C).Humidity
The average relative humidity in January is 63%.Rainfall
The month with the least rainfall in Littleton is January, when the rain falls for 3 days and typically collects 0.43" (11mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Littleton, Colorado, it is snowing for 6.3 days. Throughout January, 3.23" (82mm) of snow is accumulated. Throughout the year, there are 42.7 snowfall days, and 34.92" (887mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 45min.On the first day of January, sunrise is at 7:20 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:18 pm MST.
Sunshine
The average sunshine in January is 7.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Littleton?
What is the average humidity in January in Littleton?
What is the driest month in Littleton?
How many days does it rain in January in Littleton?
How much does it snow in Littleton in January?
What is the average length of the day in January in Littleton?
When is the sunrise / sunset in January in Littleton?
How long on average sun shines in January in Littleton?
When is the lowest UV index in Littleton?
What is the UV index intensity in January in Littleton?
Average temperature in January
Littleton, CO
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in January
Littleton, 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
Littleton, CO
- Average wind speed in January: 6.4mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in January
Littleton, CO
- Average humidity in January: 63%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in January
Littleton, CO
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Littleton, CO
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).
Average snowfall in January
Littleton, CO
- Average snowfall in January: 3.23"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Littleton, CO
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Littleton, 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 24min).
- Average sunshine in January: 7h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in January
Littleton, CO
- Average sunshine days in January: 23.2 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in January
Littleton, 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
Littleton, CO
- Average cloud cover in January: 20
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in January
Littleton, 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).
Littleton, Colorado, USA
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