San Juan County weather, town by town
37 places in San Juan County, New Mexico, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1895 to 2026. Station extremes, not official state records.
San Juan County Weather Facts
San Juan County has 37 places on myweatherrock (33 census-designated places, 3 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Aztec Ruins Nm on July 11, 2021. The coldest night is -27°F at Aztec Ruins Nm on February 8, 1933. The wettest day brought 3.5 inches of rain at Teec Nos Pos on December 17, 2008. The biggest single-day snow measured 14.61 inches at Ignacio 6Ese on February 4, 2008. Those are station measurements from NOAA's daily records, 1895 to 2026, not official state records. By area the largest place is Farmington, about 34 square miles.
About San Juan County weather
The map on the Now tab shows every San Juan County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 30 San Juan County towns with station normals, the warmest month is July, when the day usually reaches 92°F, and the coldest is January, when the night usually falls to 19°F. August is the wettest, with rain on about 7 days. July afternoons run from about 88°F in La Boca to 94°F in Beclabito. January nights run from about 11°F in La Boca to 23°F in Beclabito.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
San Juan County weather records
Measured at the NOAA stations serving these towns, daily records 1895 to 2026. Station extremes, not official state records.
Common questions about San Juan County weather
- What is the hottest temperature recorded at a San Juan County station?
- 106°F at Aztec Ruins Nm on July 11, 2021, in the NOAA daily station records myweatherrock holds (1895 to 2026).
- What is the coldest temperature recorded at a San Juan County station?
- -27°F at Aztec Ruins Nm on February 8, 1933.
- What is the most rain a San Juan County station has measured in one day?
- 3.5 inches at Teec Nos Pos on December 17, 2008.
- What is the biggest one-day snowfall at a San Juan County station?
- 14.61 inches at Ignacio 6Ese on February 4, 2008.
- How many San Juan County towns have a weather page here?
- 37: 33 census-designated places, 3 cities, 1 towns. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the San Juan County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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