Big Sky weather in March: Big Sky, Montana: normal highs, lows, rain and records for March

Big Sky in March has a normal high of 42°F and a normal low of 17°F, a daily mean of 29°F, rising from 38°F on the 1st to 45°F by the 31st. Measurable precipitation falls on 12 days in a normal March, 1.88 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 6°C and low of −9°C, 48 mm of precipitation in March.

  • NOAA stationBig Sky (2 mi WNW)
  • Station IDUSC00240775
  • Location45.28°N 111.33°W
  • Elevation6,590 ft (2,009 m)
  • Population (census place)2,388
  1. Jan 30° 9°
  2. Feb 34° 9°
  3. Mar 42° 17°
  4. Apr 48° 23°
  5. May 58° 30°
  6. Jun 67° 36°
  7. Jul 78° 41°
  8. Aug 77° 39°
  9. Sep 68° 33°
  10. Oct 53° 25°
  11. Nov 37° 16°
  12. Dec 28° 9°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Big Sky in March?

The normal high is 42°F and the normal low 17°F, for a daily mean of 29.3°F. March is 7.8°F warmer than February and 5.9°F cooler than April. March is the 8th warmest month of the year in Big Sky and the 4th wettest. Across the month the normal high rises 7°F, from 38°F on March 1 to 45°F on March 31. From one year to the next March's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 26°F and 33°F.

Big Sky in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 138°F12°F38%19%
March 840°F14°F38%18%
March 1542°F17°F37%18%
March 2244°F19°F37%18%
March 3145°F20°F38%19%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Big Sky: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 138°F12°F38%19%11 h 10 min
March 238°F12°F38%18%11 h 10 min
March 339°F12°F38%18%11 h 10 min
March 439°F13°F38%18%11 h 10 min
March 539°F13°F38%18%11 h 20 min
March 640°F13°F38%18%11 h 20 min
March 740°F14°F38%18%11 h 20 min
March 840°F14°F38%18%11 h 30 min
March 941°F15°F37%18%11 h 30 min
March 1041°F15°F37%18%11 h 30 min
March 1141°F15°F37%17%11 h 40 min
March 1241°F16°F37%17%11 h 40 min
March 1342°F16°F37%17%11 h 40 min
March 1442°F16°F37%18%11 h 50 min
March 1542°F17°F37%18%11 h 50 min
March 1642°F17°F37%18%11 h 50 min
March 1743°F17°F37%18%12 h
March 1843°F18°F37%18%12 h
March 1943°F18°F37%18%12 h
March 2043°F18°F37%18%12 h 10 min
March 2143°F18°F37%18%12 h 10 min
March 2244°F19°F37%18%12 h 10 min
March 2344°F19°F37%18%12 h 20 min
March 2444°F19°F37%18%12 h 20 min
March 2544°F19°F37%18%12 h 20 min
March 2644°F20°F38%19%12 h 20 min
March 2744°F20°F38%19%12 h 30 min
March 2845°F20°F38%19%12 h 30 min
March 2945°F20°F38%19%12 h 30 min
March 3045°F20°F38%19%12 h 40 min
March 3145°F20°F38%19%12 h 40 min
Normal high
42°FMarch average
Normal low
17°FMarch average
Precipitation
1.88 inmonth total
Days with precipitation
120.01 inch or more
Nights at 32°F or colder
31
Daylight
11 h 10 min to 12 h 40 minMarch 1 to March 31
Sunshine
70%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00240775; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Big Sky in March?

On a given March day the chance of 0.01 inch or more is 37% on average, highest around March 1 (38%). In all, 1.88 in falls on 12 days of a normal March.

In a normal March in Big Sky, 31 nights fall to freezing and 3 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00240775.

What are the records for March in Big Sky?

The warmest March temperature on this station's record (since 1967) is 65°F, on March 26, 2015; the coldest is −20°F, on March 12, 1976. The wettest March brought 3.62 in (2014); the snowiest, 45.8 inches (2009).

Source: records: ACIS, station USC00240775. Records and recent months use complete months only.

How does March in Big Sky compare across Montana?

Across the 141 places PlainClimate covers in Montana, March normal highs run from 36°F in Westby to 53°F in Hardin; Big Sky's is 42°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places