Dillon Weather in March
Average highs run from 41°F on March 1 to 50°F on March 31, and lows from 18°F to 26°F. Normal precipitation for the month is 0.67 in over about 6 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
- 46°F
- Average low
- 23°F
- Precipitation
- 0.67 in
- Snowfall
- 0.4 in
- Record high
- 79°FMar 29, 1986
- Record low
- -23°FMar 4, 2019
- Chance of a freeze
- 100%
- Daylight
- 11 h 10 min to 12 h 44 min
- Cloud cover
- 69%
- Humidity
- 80%
- Dew point
- 19°F
- Wind
- 8.3 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 | 41°F | 18°F | 64°F 1986 | -16°F 1960 | 18% | 3% |
| Mar 2 | 41°F | 18°F | 61°F 1986 | -22°F 1960 | 18% | 3% |
| Mar 3 | 41°F | 19°F | 62°F 1986 | -21°F 2019 | 18% | 3% |
| Mar 4 | 42°F | 19°F | 63°F 1987 | -23°F 2019 | 18% | 3% |
| Mar 5 | 42°F | 19°F | 63°F 1987 | -20°F 2019 | 18% | 3% |
| Mar 6 | 43°F | 20°F | 60°F 1987 | -20°F 1951 | 18% | 3% |
| Mar 7 | 43°F | 20°F | 59°F 1986 | -18°F 1951 | 18% | 3% |
| Mar 8 | 43°F | 20°F | 62°F 2005 | -15°F 2002 | 18% | 3% |
| Mar 9 | 44°F | 21°F | 68°F 1972 | -14°F 1969 | 18% | 3% |
| Mar 10 | 44°F | 21°F | 66°F 1972 | -20°F 1948 | 19% | 3% |
| Mar 11 | 44°F | 21°F | 70°F 2005 | -12°F 1950 | 19% | 3% |
| Mar 12 | 45°F | 22°F | 68°F 2007 | -11°F 1950 | 19% | 2% |
| Mar 13 | 45°F | 22°F | 66°F 1992 | -7°F 1954 | 19% | 2% |
| Mar 14 | 46°F | 22°F | 69°F 1992 | -9°F 1944 | 19% | 2% |
| Mar 15 | 46°F | 23°F | 66°F 2017 | -4°F 1944 | 19% | 2% |
| Mar 16 | 46°F | 23°F | 64°F 1972 | -2°F 1943 | 19% | 2% |
| Mar 17 | 47°F | 23°F | 68°F 2007 | -7°F 1958 | 20% | 2% |
| Mar 18 | 47°F | 23°F | 74°F 2026 | -12°F 1965 | 20% | 2% |
| Mar 19 | 47°F | 24°F | 74°F 2026 | -1°F 1955 | 20% | 2% |
| Mar 20 | 47°F | 24°F | 76°F 2026 | -7°F 1955 | 20% | 2% |
| Mar 21 | 48°F | 24°F | 72°F 2026 | 3°F 1952 | 20% | 2% |
| Mar 22 | 48°F | 24°F | 67°F 1972 | -4°F 1952 | 20% | 2% |
| Mar 23 | 48°F | 25°F | 71°F 2004 | -8°F 1964 | 21% | 2% |
| Mar 24 | 49°F | 25°F | 68°F 2026 | -10°F 1964 | 21% | 2% |
| Mar 25 | 49°F | 25°F | 70°F 2026 | -14°F 1955 | 21% | 2% |
| Mar 26 | 49°F | 25°F | 69°F 2025 | -8°F 1955 | 21% | 2% |
| Mar 27 | 49°F | 25°F | 74°F 2015 | 0°F 1944 | 22% | 2% |
| Mar 28 | 50°F | 26°F | 72°F 1986 | -6°F 1975 | 22% | 2% |
| Mar 29 | 50°F | 26°F | 79°F 1986 | -3°F 1987 | 22% | 2% |
| Mar 30 | 50°F | 26°F | 71°F 1966 | -4°F 1954 | 23% | 2% |
| Mar 31 | 50°F | 26°F | 73°F 2015 | 5°F 1967 | 23% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 7:08 AM, sunset 6:18 PM
- March 31
- sunrise 7:13 AM, sunset 7:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00242409 (Dillon U Of Montana Western), public domain. Records: NOAA GHCN-Daily, station USW00024138, 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.