San Juan County Weather in March
Average highs run from 48°F on March 1 to 57°F on March 31, and lows from 27°F to 32°F. Normal precipitation for the month is 0.90 in over about 5 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 53°F
- Average low
- 30°F
- Precipitation
- 0.90 in
- Snowfall
- 3.3 in
- Record high
- 86°FMar 31, 1906
- Record low
- -3°FMar 28, 1975
- Chance of a freeze
- 100%
- Daylight
- 11 h 23 min to 12 h 35 min
- Cloud cover
- 50%
- Humidity
- 49%
- Dew point
- 22°F
- Wind
- 8.7 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 |
|---|---|---|---|---|---|---|
| Mar 1 | 48°F | 27°F | 67°F 1999 | 4°F 1929 | 19% | 9% |
| Mar 2 | 48°F | 27°F | 67°F 1921 | 8°F 1922 | 19% | 9% |
| Mar 3 | 48°F | 27°F | 69°F 2009 | 6°F 2002 | 19% | 8% |
| Mar 4 | 49°F | 28°F | 68°F 2009 | 5°F 1966 | 19% | 8% |
| Mar 5 | 49°F | 28°F | 68°F 1926 | 2°F 1948 | 19% | 8% |
| Mar 6 | 50°F | 28°F | 70°F 1972 | 5°F 1945 | 18% | 8% |
| Mar 7 | 50°F | 28°F | 70°F 1972 | 8°F 1931 | 18% | 8% |
| Mar 8 | 50°F | 29°F | 85°F 1906 | 11°F 1961 | 18% | 8% |
| Mar 9 | 51°F | 29°F | 71°F 1906 | 10°F 1931 | 18% | 8% |
| Mar 10 | 51°F | 29°F | 72°F 1972 | 13°F 1919 | 18% | 8% |
| Mar 11 | 51°F | 29°F | 70°F 1972 | 6°F 1948 | 18% | 7% |
| Mar 12 | 52°F | 29°F | 72°F 2007 | 9°F 1969 | 18% | 7% |
| Mar 13 | 52°F | 30°F | 77°F 2007 | 11°F 1929 | 18% | 7% |
| Mar 14 | 52°F | 30°F | 75°F 2007 | 8°F 1952 | 17% | 7% |
| Mar 15 | 53°F | 30°F | 72°F 2007 | 9°F 1944 | 17% | 7% |
| Mar 16 | 53°F | 30°F | 79°F 1908 | 13°F 1943 | 17% | 6% |
| Mar 17 | 53°F | 30°F | 78°F 1908 | 13°F 1951 | 17% | 6% |
| Mar 18 | 54°F | 31°F | 76°F 2007 | 14°F 1923 | 17% | 6% |
| Mar 19 | 54°F | 31°F | 78°F 1907 | 13°F 1951 | 17% | 6% |
| Mar 20 | 54°F | 31°F | 81°F 2026 | 10°F 1965 | 17% | 6% |
| Mar 21 | 55°F | 31°F | 82°F 2026 | 13°F 1955 | 17% | 6% |
| Mar 22 | 55°F | 31°F | 77°F 2004 | 15°F 1923 | 17% | 5% |
| Mar 23 | 55°F | 31°F | 78°F 2026 | 11°F 1952 | 17% | 5% |
| Mar 24 | 56°F | 31°F | 79°F 2026 | 15°F 2023 | 17% | 5% |
| Mar 25 | 56°F | 32°F | 82°F 2026 | 9°F 1913 | 17% | 5% |
| Mar 26 | 56°F | 32°F | 78°F 2026 | 10°F 1931 | 17% | 5% |
| Mar 27 | 56°F | 32°F | 77°F 2025 | 8°F 1975 | 17% | 5% |
| Mar 28 | 56°F | 32°F | 74°F 1986 | -3°F 1975 | 17% | 5% |
| Mar 29 | 57°F | 32°F | 76°F 1966 | 10°F 1975 | 17% | 5% |
| Mar 30 | 57°F | 32°F | 83°F 1905 | 11°F 1977 | 17% | 4% |
| Mar 31 | 57°F | 32°F | 86°F 1906 | 13°F 1924 | 16% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 6:50 AM, sunset 6:13 PM
- March 31
- sunrise 7:06 AM, sunset 7:41 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426053 (Natural Bridges Nm), public domain. Records: NOAA GHCN-Daily, station USC00420738, 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.