Monticello Weather in January
Average highs run from 35°F on January 1 to 38°F on January 31, and lows from 15°F to 17°F. Normal precipitation for the month is 1.57 in over about 6 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
- 36°F
- Average low
- 15°F
- Precipitation
- 1.57 in
- Snowfall
- 13.4 in
- Record high
- 57°FJan 27, 2015
- Record low
- -4°FJan 12, 2013
- Chance of a freeze
- 100%
- Daylight
- 9 h 36 min to 10 h 18 min
- Cloud cover
- 53%
- Humidity
- 72%
- Dew point
- 17°F
- Wind
- 8.1 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 | 35°F | 15°F | 53°F 2026 | 5°F 2020 | 20% | 17% |
| Jan 2 | 35°F | 15°F | 54°F 2018 | -2°F 2019 | 20% | 17% |
| Jan 3 | 35°F | 15°F | 47°F 2012 | -1°F 2019 | 20% | 17% |
| Jan 4 | 35°F | 15°F | 46°F 2025 | -1°F 2022 | 20% | 17% |
| Jan 5 | 35°F | 15°F | 50°F 2012 | 1°F 2013 | 20% | 17% |
| Jan 6 | 35°F | 15°F | 47°F 2026 | 5°F 2017 | 20% | 17% |
| Jan 7 | 35°F | 15°F | 48°F 2015 | 0°F 2017 | 20% | 17% |
| Jan 8 | 35°F | 15°F | 55°F 2015 | 13°F 2020 | 20% | 17% |
| Jan 9 | 36°F | 15°F | 47°F 2015 | 9°F 2024 | 20% | 17% |
| Jan 10 | 36°F | 15°F | 50°F 2018 | 4°F 2024 | 20% | 17% |
| Jan 11 | 36°F | 15°F | 42°F 2022 | 4°F 2020 | 20% | 17% |
| Jan 12 | 36°F | 15°F | 43°F 2017 | -4°F 2013 | 20% | 17% |
| Jan 13 | 36°F | 15°F | 51°F 2026 | -4°F 2013 | 20% | 17% |
| Jan 14 | 36°F | 15°F | 54°F 2026 | -2°F 2013 | 20% | 17% |
| Jan 15 | 36°F | 15°F | 52°F 2026 | -2°F 2013 | 20% | 17% |
| Jan 16 | 36°F | 15°F | 56°F 2026 | 2°F 2013 | 20% | 17% |
| Jan 17 | 37°F | 15°F | 47°F 2022 | 2°F 2013 | 19% | 17% |
| Jan 18 | 37°F | 15°F | 50°F 2021 | 6°F 2012 | 19% | 17% |
| Jan 19 | 37°F | 15°F | 50°F 2018 | 2°F 2025 | 19% | 17% |
| Jan 20 | 37°F | 15°F | 49°F 2018 | 4°F 2025 | 19% | 17% |
| Jan 21 | 37°F | 15°F | 51°F 2012 | 0°F 2025 | 19% | 17% |
| Jan 22 | 37°F | 16°F | 47°F 2014 | 2°F 2025 | 19% | 17% |
| Jan 23 | 37°F | 16°F | 48°F 2026 | 7°F 2019 | 19% | 17% |
| Jan 24 | 37°F | 16°F | 43°F 2022 | 6°F 2025 | 20% | 17% |
| Jan 25 | 37°F | 16°F | 45°F 2022 | 5°F 2017 | 20% | 17% |
| Jan 26 | 37°F | 16°F | 49°F 2015 | 4°F 2026 | 20% | 17% |
| Jan 27 | 38°F | 16°F | 57°F 2015 | 0°F 2021 | 20% | 17% |
| Jan 28 | 38°F | 16°F | 49°F 2014 | 9°F 2023 | 20% | 16% |
| Jan 29 | 38°F | 16°F | 53°F 2024 | 10°F 2013 | 20% | 16% |
| Jan 30 | 38°F | 17°F | 53°F 2024 | 8°F 2013 | 20% | 16% |
| Jan 31 | 38°F | 17°F | 53°F 2018 | 9°F 2013 | 20% | 16% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:33 AM, sunset 5:09 PM
- January 31
- sunrise 7:22 AM, sunset 5:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00425805 (Monticello 2E), public domain. Records: NOAA GHCN-Daily, station USC00425807, 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.