Twin Bridges, MT

Climate overview — based on NOAA 1991-2020 normals from TWIN BRIDGES, 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

Twin Bridges has an annual average temperature of 43.5°F with about 9.4 inches of precipitation per year. The warmest month is July (average high 84.7°F), and the coldest is December (average low 12.0°F). June is typically the wettest month (2.17 in) and January the driest (0.22 in).

Annual swing
42.1°F
warmest to coldest month
Heating need
7,755
Cooling need
12

Best time to visit Twin Bridges

Full guide →

Climate change signal

All-time records →

104 of 366 (28.4%) of Twin Bridges'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.

1950s
20
1960s
57
1970s
26
1980s
45
1990s
44
2000s
54
2010s
49
2020s
71

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 35.4°F 13.0°F 24.2°F 0.22 in 3
February 39.6°F 15.1°F 27.3°F 0.22 in 4
March 49.2°F 21.9°F 35.5°F 0.37 in 5
April 57.0°F 28.0°F 42.5°F 0.85 in 8
May 66.4°F 36.1°F 51.3°F 1.70 in 11
June 74.7°F 42.7°F 58.7°F 2.17 in 12
July 84.7°F 46.1°F 65.4°F 0.89 in 6
August 83.4°F 43.2°F 63.3°F 0.75 in 7
September 73.5°F 36.7°F 55.1°F 0.88 in 6
October 59.3°F 27.9°F 43.6°F 0.73 in 6
November 44.1°F 19.3°F 31.7°F 0.33 in 5
December 34.5°F 12.0°F 23.3°F 0.33 in 5

Climate twins of Twin Bridges

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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