Fort Collins weather in January: Fort Collins, Colorado: normal highs, lows, rain and records for January
Fort Collins in January has a normal high of 45°F and a normal low of 18°F, a daily mean of 32°F, holding near 45°F all month. Measurable precipitation falls on 4 days in a normal January, 0.41 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −8°C, 10 mm of precipitation and 17 cm of snow in January.
- NOAA stationFort Collins
- Station IDUSC00053005
- Location40.58°N 105.09°W
- Elevation5,004 ft (1,525 m)
- Population170,924
- Jan 45° 18°
- Feb 47° 21°
- Mar 56° 29°
- Apr 63° 35°
- May 71° 44°
- Jun 82° 53°
- Jul 87° 59°
- Aug 85° 57°
- Sep 77° 48°
- Oct 64° 36°
- Nov 53° 26°
- Dec 44° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Collins in January?
The normal high is 45°F and the normal low 18°F, for a daily mean of 31.6°F. January is 0.5°F warmer than December and 2.2°F cooler than February. January is the 11th warmest month of the year in Fort Collins and the 12th wettest. Across the month the normal high rises 1°F, from 44°F on January 1 to 45°F on January 31. From one year to the next January's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 28°F and 35°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 44°F | 17°F | 13% | 5% |
| January 8 | 45°F | 18°F | 13% | 5% |
| January 15 | 45°F | 18°F | 13% | 5% |
| January 22 | 45°F | 19°F | 13% | 5% |
| January 31 | 45°F | 19°F | 15% | 6% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 16, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 44°F | 17°F | 13% | 5% | 9 h 20 min |
| January 2 | 44°F | 18°F | 13% | 5% | 9 h 20 min |
| January 3 | 44°F | 18°F | 13% | 5% | 9 h 20 min |
| January 4 | 44°F | 18°F | 13% | 5% | 9 h 20 min |
| January 5 | 45°F | 18°F | 13% | 5% | 9 h 20 min |
| January 6 | 45°F | 18°F | 13% | 5% | 9 h 20 min |
| January 7 | 45°F | 18°F | 13% | 5% | 9 h 20 min |
| January 8 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 9 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 10 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 11 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 12 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 13 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 14 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 15 | 45°F | 18°F | 13% | 5% | 9 h 30 min |
| January 16 | 45°F | 18°F | 13% | 5% | 9 h 40 min |
| January 17 | 45°F | 18°F | 13% | 5% | 9 h 40 min |
| January 18 | 45°F | 19°F | 13% | 5% | 9 h 40 min |
| January 19 | 45°F | 19°F | 13% | 5% | 9 h 40 min |
| January 20 | 45°F | 19°F | 13% | 5% | 9 h 40 min |
| January 21 | 45°F | 19°F | 13% | 5% | 9 h 40 min |
| January 22 | 45°F | 19°F | 13% | 5% | 9 h 50 min |
| January 23 | 45°F | 19°F | 14% | 5% | 9 h 50 min |
| January 24 | 45°F | 19°F | 14% | 6% | 9 h 50 min |
| January 25 | 45°F | 19°F | 14% | 6% | 9 h 50 min |
| January 26 | 45°F | 19°F | 14% | 6% | 9 h 50 min |
| January 27 | 45°F | 19°F | 14% | 6% | 10 h |
| January 28 | 45°F | 19°F | 14% | 6% | 10 h |
| January 29 | 45°F | 19°F | 15% | 6% | 10 h |
| January 30 | 45°F | 19°F | 15% | 6% | 10 h |
| January 31 | 45°F | 19°F | 15% | 6% | 10 h |
- Normal high
- 45°FJanuary average
- Normal low
- 18°FJanuary average
- Precipitation
- 0.41 inmonth total
- Days with precipitation
- 40.01 inch or more
- Snowfall
- 6.7 inmonth total
- Nights at 32°F or colder
- 29
- Daylight
- 9 h 20 min to 10 hJanuary 1 to January 31
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00053005; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Fort Collins in January?
On a given January day the chance of 0.01 inch or more is 13% on average, highest around January 31 (15%). In all, 0.41 in falls on 4 days of a normal January.
In a normal January in Fort Collins, 29 nights fall to freezing, 4 days stay below freezing all day and snowfall averages 6.7 inches.
Snow falls on 4 days in a normal January, and an inch or more covers the ground on 12 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00053005.
What are the records for January in Fort Collins?
The warmest January temperature on this station's record (since 1893) is 75°F, on January 26, 2015; the coldest is −38°F, on January 17, 1930. The wettest January brought 1.43 in (2014); the snowiest, 20.5 inches (1940).
The January mean against the 1991-2020 normal of 31.6°F: 2021 32.4°F (+0.8), 2022 29.7°F (−1.9), 2023 28.6°F (−3.0), 2024 28.4°F (−3.2), 2025 26.7°F (−4.9), 2026 35.9°F (+4.3). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 32.4°F | +0.8°F | 0.30 in |
| 2022 | 29.7°F | −1.9°F | 0.85 in |
| 2023 | 28.6°F | −3.0°F | 0.79 in |
| 2024 | 28.4°F | −3.2°F | 0.22 in |
| 2025 | 26.7°F | −4.9°F | 0.74 in |
| 2026 | 35.9°F | +4.3°F | 0.34 in |
Source: records: ACIS, station USC00053005; recent months: ACIS, station USC00053005. Records and recent months use complete months only.
How does January in Fort Collins compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, January normal highs run from 26°F in Crested Butte to 49°F in Cañon City; Fort Collins's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Fort Collins in December44°F by day, 18°F at night
- Fort Collins in February47°F by day, 21°F at night
- Fort Collins through the yearEvery month, frost dates, records and recent years
- Colorado in JanuaryThe statewide normal and the warmest and coolest places
- Cañon City: Colorado's warmest Januarynormal high 49°F