Rupert, ID

Climate overview — based on NOAA 1991-2020 normals from PAUL 1ENE, ID US.

BSk Semi-arid (cold) climate 7a USDA hardiness Zone 7a

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

Rupert has an annual average temperature of 47°F with about 10.8 inches of precipitation per year. The warmest month is July (average high 85.3°F), and the coldest is January (average low 19.2°F). May is typically the wettest month (1.69 in) and July the driest (0.26 in).

Annual swing
44.1°F
warmest to coldest month
Heating need
6,762
Cooling need
267

Best time to visit Rupert

Full guide →

Climate change signal

All-time records →

8 of 366 (2.2%) of Rupert'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
22
1930s
34
1940s
43
1950s
58
1960s
44
1970s
19
1980s
39
1990s
68
2000s
25
2010s
14

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 33.3°F 19.2°F 26.3°F 1.29 in 9
February 38.3°F 22.4°F 30.3°F 0.74 in 7
March 48.9°F 28.7°F 38.8°F 1.00 in 8
April 56.4°F 33.6°F 45.0°F 1.10 in 8
May 66.2°F 42.2°F 54.2°F 1.69 in 7
June 75.3°F 49.0°F 62.1°F 0.69 in 4
July 85.3°F 55.4°F 70.4°F 0.26 in 2
August 84.0°F 53.0°F 68.5°F 0.37 in 4
September 73.7°F 44.8°F 59.2°F 0.61 in 4
October 59.2°F 34.6°F 46.9°F 0.85 in 6
November 44.6°F 25.8°F 35.2°F 0.95 in 8
December 33.7°F 19.4°F 26.6°F 1.24 in 11

Climate twins of Rupert

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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