Saco, MT

Climate overview — based on NOAA 1991-2020 normals from SACO 1 NNW, MT US.

BSk Semi-arid (cold) climate 5b USDA hardiness Zone 5b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Saco has an annual average temperature of 42°F with about 13.4 inches of precipitation per year. The warmest month is July (average high 82.8°F), and the coldest is January (average low 1.5°F). June is typically the wettest month (3.01 in) and January the driest (0.26 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
55.4°F
warmest to coldest month
Heating need
8,487
Cooling need
198

Best time to visit Saco

Full guide →

Climate change signal

All-time records →

59 of 366 (16.1%) of Saco'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.

1960s
37
1970s
40
1980s
79
1990s
77
2000s
62
2010s
31
2020s
40

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 25.6°F 1.5°F 13.6°F 0.26 in 4
February 30.1°F 5.5°F 17.8°F 0.33 in 3
March 42.8°F 17.4°F 30.1°F 0.53 in 4
April 57.3°F 29.1°F 43.2°F 1.05 in 5
May 67.5°F 39.9°F 53.7°F 1.77 in 7
June 74.3°F 50.4°F 62.3°F 3.01 in 10
July 82.8°F 55.2°F 69.0°F 1.69 in 7
August 82.1°F 53.1°F 67.6°F 1.35 in 5
September 71.5°F 42.3°F 56.9°F 1.35 in 5
October 57.2°F 29.7°F 43.4°F 1.05 in 4
November 40.8°F 16.6°F 28.7°F 0.54 in 3
December 29.0°F 5.9°F 17.4°F 0.43 in 4

Climate twins of Saco

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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