Weather in San Juan County, Colorado for January 2026
San Juan County typically experiences moderate snowfall in January, with an average of 7 snowy days.
According to San Juan County snow forecast for January 2026, no snow is expected at the beginning of the month.Expect cooler weather in the next days in San Juan County with the forecast suggesting a temperature of 3.7 °F, lower than the historical average.
In general, the average temperature in San Juan County at the beginning of January is -2.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -5.9 °F by the end of January.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
San Juan County Weather January
Temperatures trend during January in San Juan County
January weather in San Juan County day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 8° /-10° | 0 mm | 0 cm | |
| Jan. 2 | Sunny | 7° /-9° | 0 mm | 0 cm | |
| Jan. 3 | Overcast | 0° /-9° | 0 mm | 0 cm | |
| Jan. 4 | Patchy moderate snow | -5° /-13° | 10.1 mm | 6.7 cm | |
| Jan. 5 | Cloudy | -11° /-17° | 4.1 mm | 2.9 cm | |
| Jan. 6 | Light freezing rain | -8° /-18° | 2.2 mm | 0 cm | |
| Jan. 7 | Patchy moderate snow | -7° /-16° | 3.3 mm | 1.3 cm | |
| Jan. 8 | Partly cloudy | -4° /-18° | 0 mm | 0 cm | |
| Jan. 9 | Light freezing rain | -13° /-19° | 1.7 mm | 0 cm | |
| Jan. 10 | Partly cloudy | -9° /-22° | 0.3 mm | 0 cm | |
| Jan. 11 | Moderate snow | -10° /-18° | 7.8 mm | 3.9 cm | |
| Jan. 12 | Light freezing rain | -13° /-22° | 0.2 mm | 0 cm | |
| Jan. 13 | Light freezing rain | -14° /-25° | 1.3 mm | 0 cm | |
| Jan. 14 | Partly cloudy | -12° /-22° | 0 mm | 0 cm | |
| Jan. 15 | Cloudy | -4° /-21° | 0 mm | 0 cm | |
| Jan. 16 | Sunny | -2° /-12° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | -8° /-16° | 0 mm | 0 cm | |
| Jan. 18 | Patchy moderate snow | -13° /-24° | 4.3 mm | 0.6 cm | |
| Jan. 19 | Light freezing rain | -15° /-26° | 1.4 mm | 0 cm | |
| Jan. 20 | Light freezing rain | -20° /-28° | 2.3 mm | 0 cm | |
| Jan. 21 | Partly cloudy | -9° /-28° | 0 mm | 0 cm | |
| Jan. 22 | Light freezing rain | -14° /-22° | 0.2 mm | 0 cm | |
| Jan. 23 | Light freezing rain | -16° /-25° | 0.2 mm | 0 cm | |
| Jan. 24 | Cloudy | -5° /-17° | 0 mm | 0 cm | |
| Jan. 25 | Light freezing rain | -7° /-16° | 1.2 mm | 0 cm | |
| Jan. 26 | Partly cloudy | -7° /-16° | 0.2 mm | 0 cm | |
| Jan. 27 | Sunny | -6° /-17° | 0 mm | 0 cm | |
| Jan. 28 | Light freezing rain | -7° /-13° | 0.6 mm | 0 cm | |
| Jan. 29 | Moderate or heavy snow showers | -8° /-13° | 25.3 mm | 17.4 cm | |
| Jan. 30 | Partly cloudy | -7° /-15° | 1.8 mm | 1 cm | |
| Jan. 31 | Sunny | 1° /-15° | 0 mm | 0 cm | |
| Next | |||||
San Juan County in January - FAQ
San Juan County snow forecast January 2026
January rainfall patterns in San Juan County
Quick links
Get accurate weather forecasts for San Juan County, located at latitude 37.812 and longitude -107.665. Stay updated with localized weather information tailored for San Juan County.