Broadus, MT

Climate overview — based on NOAA 1991-2020 normals from BROADUS, MT US.

BSk Semi-arid (cold) climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Broadus has an annual average temperature of 48.2°F with about 14.9 inches of precipitation per year. The warmest month is July (average high 90.8°F), and the coldest is January (average low 11.4°F). May is typically the wettest month (2.75 in) and January the driest (0.43 in).

Annual swing
50.7°F
warmest to coldest month
Heating need
6,630
Cooling need
579

Best time to visit Broadus

Full guide →

Climate change signal

All-time records →

83 of 366 (22.7%) of Broadus's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1920s
20
1930s
14
1940s
20
1950s
26
1960s
23
1970s
18
1980s
65
1990s
43
2000s
37
2010s
47
2020s
53

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 36.8°F 11.4°F 24.1°F 0.43 in 5
February 40.3°F 14.4°F 27.4°F 0.52 in 5
March 51.5°F 23.7°F 37.6°F 0.78 in 5
April 60.7°F 32.6°F 46.7°F 1.77 in 7
May 70.5°F 42.3°F 56.4°F 2.75 in 10
June 81.2°F 52.1°F 66.7°F 2.37 in 9
July 90.8°F 58.8°F 74.8°F 1.72 in 7
August 89.6°F 56.1°F 72.8°F 1.28 in 6
September 79.0°F 45.8°F 62.4°F 1.23 in 5
October 63.2°F 34.2°F 48.7°F 1.12 in 6
November 48.2°F 22.1°F 35.1°F 0.47 in 4
December 37.7°F 13.5°F 25.6°F 0.48 in 4

Climate twins of Broadus

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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