Salmon, ID

Climate overview — based on NOAA 1991-2020 normals from SALMON-KSRA, ID 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

Salmon has an annual average temperature of 44.4°F with about 9.5 inches of precipitation per year and 22 inches of snow. The warmest month is July (average high 86.3°F), and the coldest is January (average low 11.0°F). June is typically the wettest month (1.63 in) and February the driest (0.37 in). Snow typically falls from November through April.

Annual swing
49.4°F
warmest to coldest month
Heating need
7,578
Cooling need
171

Best time to visit Salmon

Full guide →

Climate change signal

All-time records →

73 of 366 (19.9%) of Salmon'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
12
1970s
81
1980s
82
1990s
69
2000s
39
2010s
19
2020s
64

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 28.2°F 11.0°F 19.6°F 0.58 in 6.7 in 6
February 35.8°F 16.3°F 26.0°F 0.37 in 3.8 in 5
March 49.5°F 25.5°F 37.5°F 0.47 in 1.2 in 6
April 58.7°F 31.6°F 45.2°F 0.77 in 0.4 in 7
May 68.3°F 39.7°F 54.0°F 1.29 in 0.1 in 9
June 75.7°F 46.2°F 61.0°F 1.63 in 9
July 86.3°F 51.6°F 69.0°F 0.77 in 6
August 84.8°F 48.7°F 66.7°F 0.60 in 5
September 74.3°F 40.6°F 57.4°F 0.79 in 5
October 58.4°F 30.8°F 44.6°F 0.81 in 0.1 in 6
November 40.8°F 21.6°F 31.2°F 0.67 in 3.3 in 6
December 28.9°F 12.9°F 20.9°F 0.73 in 6.4 in 7

Climate twins of Salmon

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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