Aspen, CO weather in January
Expect cold, snowy weather in Aspen in January, with highs near 32°F and lows near 10°F. Rain or snow falls on about 13 days. Snowfall averages about 28.1 in. It is one of the coldest months in Aspen. Dress for deep cold.
- Normal high
- 32°F
- Normal low
- 10°F
- Wet days
- 13
- 1.9 in total
- Snowfall
- 28.1 in
- snow on the ground 31 days
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 31°F | 33°F |
| Normal low | 9°F | 11°F |
| Chance of a wet day | 41% | 42% |
| Sunrise / sunset | 7:26 am / 4:54 pm | 7:14 am / 5:26 pm |
| Daylight | 9.5 h | 10.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow13 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below31 of 31
- Snow on the groundsnow depth 1 in or more31 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 1.9 in; a dry January brings about 1.2 in and a wet one about 2.5 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 28.1 in, with about 9 days of an inch or more.
How January varies from year to year
- Warmest January, 1991-20202003: average high 41°F
- Coolest January2013: average high 29°F
- Wettest January2008: 4.2 in
- Driest January2015: 0.3 in
- Highest reading58°F (January 17, 2000)
- Lowest reading-14°F (January 4, 1993)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 32°F | 32°F | 35°F |
| Normal low | 10°F | 10°F | 13°F |
| Wet days | 12 | 13 | 13 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 9.5 h | 9.8 h | 10.7 h |
Highs change by 0°F from December and +3°F into February.
Nearby alternatives in January
- Warmer: Lakewood, CO99 mi · high 45°F · 5 wet days
- Drier: Lakewood, CO99 mi · high 45°F · 5 wet days
How Aspen ranks in January
- Normal high324th warmest of 378 cities; 14th of 17 in Colorado
- Wet days323rd driest of 378
- Comfortable days273rd most of 339
What to pack for Aspen in January
- A warm jacket – lows near 10°F, highs near 32°F
- A rain jacket or umbrella – rain or snow on about 13 days
- Waterproof boots – snow on the ground on about 31 days
- A hat and gloves – about 31 freezing nights
Heating and cooling
January has 1366 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.
Questions
How cold is Aspen in January?
The normal high is 32°F and the normal low is 10°F. From 1991 to 2020 the coldest January reading was -14°F (January 4, 1993).
Does it rain a lot in Aspen in January?
About 13 days in January have at least 0.01 in of precipitation, and the normal total is 1.9 in. The wettest January in 1991-2020 was in 2008 (4.2 in); the driest was in 2015 (0.3 in).
Does it snow in Aspen in January?
Yes. Normal snowfall in January is 28.1 in, and snow covers the ground on about 31 days.
Is January a good time to visit Aspen?
January ranks 11th of 12 months on our comfort score for Aspen (26 out of 100). It has almost no comfortable days. The best month is June.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Aspen 1SW (USC00050372), 1.2 mi WSW of the city center, 8,175 ft (285 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Aspen Pitkin Co Airport (USW00093073), 3.5 mi NW of the city center, 7,720 ft (170 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Eagle Co Regional Airport (724675-23063), 32 mi N of the city center, 6,497 ft (1,393 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).