Granby Weather in January
Average highs run from 25°F on January 1 to 27°F on January 31, and lows from 4°F to 2°F. Normal precipitation for the month is 0.87 in over about 11 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 26°F
- Average low
- 3°F
- Precipitation
- 0.87 in
- Snowfall
- 24.7 in
- Record high
- 49°FJan 21, 1950
- Record low
- -46°FJan 10, 1962
- Chance of a freeze
- 100%
- Daylight
- 9 h 23 min to 10 h 09 min
- Cloud cover
- 63%
- Humidity
- 94%
- Dew point
- 10°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 25°F | 4°F | 45°F 2023 | -31°F 1995 | 34% | 35% |
| Jan 2 | 25°F | 4°F | 45°F 2009 | -38°F 1979 | 34% | 35% |
| Jan 3 | 25°F | 3°F | 43°F 2026 | -37°F 1952 | 34% | 35% |
| Jan 4 | 25°F | 3°F | 47°F 2026 | -36°F 1972 | 34% | 35% |
| Jan 5 | 25°F | 3°F | 47°F 2026 | -23°F 2009 | 34% | 35% |
| Jan 6 | 25°F | 3°F | 46°F 1956 | -35°F 2017 | 34% | 35% |
| Jan 7 | 25°F | 3°F | 47°F 1954 | -39°F 1982 | 34% | 35% |
| Jan 8 | 25°F | 3°F | 46°F 1956 | -37°F 1979 | 34% | 35% |
| Jan 9 | 25°F | 3°F | 48°F 2018 | -29°F 1979 | 34% | 35% |
| Jan 10 | 25°F | 3°F | 48°F 2018 | -46°F 1962 | 34% | 35% |
| Jan 11 | 25°F | 3°F | 44°F 1990 | -43°F 1962 | 34% | 35% |
| Jan 12 | 25°F | 2°F | 45°F 1953 | -35°F 1963 | 34% | 35% |
| Jan 13 | 25°F | 2°F | 41°F 1969 | -40°F 1963 | 34% | 35% |
| Jan 14 | 25°F | 2°F | 42°F 1969 | -27°F 1964 | 34% | 35% |
| Jan 15 | 26°F | 2°F | 43°F 2000 | -29°F 2007 | 34% | 35% |
| Jan 16 | 26°F | 2°F | 46°F 2000 | -34°F 2007 | 34% | 35% |
| Jan 17 | 26°F | 2°F | 46°F 2000 | -35°F 1949 | 34% | 35% |
| Jan 18 | 26°F | 2°F | 40°F 1954 | -36°F 1984 | 34% | 35% |
| Jan 19 | 26°F | 2°F | 46°F 2018 | -31°F 1949 | 34% | 35% |
| Jan 20 | 26°F | 2°F | 45°F 1950 | -29°F 1988 | 34% | 35% |
| Jan 21 | 26°F | 2°F | 49°F 1950 | -32°F 2025 | 35% | 35% |
| Jan 22 | 26°F | 2°F | 40°F 1967 | -28°F 1975 | 35% | 35% |
| Jan 23 | 26°F | 2°F | 42°F 1970 | -27°F 1973 | 35% | 35% |
| Jan 24 | 26°F | 2°F | 43°F 1970 | -25°F 1979 | 35% | 35% |
| Jan 25 | 26°F | 2°F | 41°F 1953 | -24°F 1962 | 35% | 35% |
| Jan 26 | 27°F | 2°F | 48°F 1982 | -22°F 1976 | 35% | 35% |
| Jan 27 | 27°F | 2°F | 48°F 2003 | -24°F 2017 | 35% | 35% |
| Jan 28 | 27°F | 2°F | 45°F 2003 | -26°F 1973 | 35% | 35% |
| Jan 29 | 27°F | 2°F | 47°F 1986 | -32°F 1949 | 35% | 36% |
| Jan 30 | 27°F | 2°F | 47°F 1986 | -26°F 1991 | 35% | 36% |
| Jan 31 | 27°F | 2°F | 45°F 1986 | -32°F 1979 | 35% | 36% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:26 AM, sunset 4:49 PM
- January 31
- sunrise 7:13 AM, sunset 5:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053500 (Grand Lake 6 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00053500, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.