Big Sky climate

Big Sky Weather in March

NOAA 1991-2020 normals for Big Sky 2WNW, 3.4 km from Big Sky

Average highs run from 38°F on March 1 to 45°F on March 31, and lows from 12°F to 20°F. Normal precipitation for the month is 1.88 in over about 12 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Big Sky, in °F, with the record for each date.-50-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
42°F
Average low
17°F
Precipitation
1.88 in
Snowfall
6.6 in
Record high
79°FMar 20, 2026
Record low
-34°FMar 4, 2019
Chance of a freeze
100%
Daylight
11 h 10 min to 12 h 45 min
Cloud cover
72%
Humidity
82%
Dew point
21°F
Wind
7.4 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 138°F12°F66°F 1986-11°F 196038%15%
Mar 238°F12°F62°F 1986-14°F 196038%15%
Mar 339°F12°F61°F 2025-18°F 197638%15%
Mar 439°F13°F65°F 2022-34°F 201938%15%
Mar 539°F13°F64°F 1987-29°F 201938%15%
Mar 640°F13°F62°F 2016-29°F 192038%15%
Mar 740°F14°F61°F 2020-10°F 195138%15%
Mar 840°F14°F60°F 2005-18°F 195138%14%
Mar 941°F15°F67°F 1972-22°F 193237%14%
Mar 1041°F15°F69°F 1972-22°F 193237%14%
Mar 1141°F15°F66°F 2005-22°F 193237%14%
Mar 1241°F16°F69°F 1934-16°F 193237%14%
Mar 1342°F16°F66°F 1992-7°F 194437%14%
Mar 1442°F16°F76°F 1934-9°F 194437%14%
Mar 1542°F17°F68°F 1934-8°F 194437%14%
Mar 1642°F17°F69°F 1972-8°F 202037%13%
Mar 1743°F17°F65°F 1972-5°F 196537%13%
Mar 1843°F18°F71°F 2007-21°F 194337%13%
Mar 1943°F18°F78°F 20263°F 196537%13%
Mar 2043°F18°F79°F 2026-6°F 195537%13%
Mar 2143°F18°F78°F 20261°F 200237%13%
Mar 2244°F19°F73°F 20260°F 193337%13%
Mar 2344°F19°F71°F 2004-12°F 196437%13%
Mar 2444°F19°F67°F 1939-12°F 196537%12%
Mar 2544°F19°F70°F 2007-18°F 195537%12%
Mar 2644°F20°F70°F 2012-10°F 195538%12%
Mar 2744°F20°F73°F 2025-7°F 193138%12%
Mar 2845°F20°F73°F 19862°F 196538%12%
Mar 2945°F20°F72°F 1986-5°F 198738%12%
Mar 3045°F20°F73°F 1966-6°F 193638%12%
Mar 3145°F20°F72°F 20150°F 193638%12%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Big Sky, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

March 1
sunrise 7:03 AM, sunset 6:13 PM
March 31
sunrise 7:07 AM, sunset 7:52 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00240775 (Big Sky 2WNW), public domain. Records: NOAA GHCN-Daily, station USC00242793, 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.