Grangeville, ID

Climate overview — based on NOAA 1991-2020 normals from GRANGEVILLE, ID US.

Dfb Warm-summer humid continental climate 7b USDA hardiness Zone 7b

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

Grangeville has an annual average temperature of 47.5°F with about 23.5 inches of precipitation per year and 38.7 inches of snow. The warmest month is August (average high 82.5°F), and the coldest is December (average low 23.7°F). May is typically the wettest month (3.44 in) and August the driest (0.90 in). Snow typically falls from October through May.

Annual swing
37.5°F
warmest to coldest month
Heating need
6,471
Cooling need
168

Best time to visit Grangeville

Full guide →

Climate change signal

All-time records →

23 of 366 (6.3%) of Grangeville'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.

1890s
2
1900s
11
1920s
14
1930s
56
1940s
17
1950s
29
1960s
44
1970s
41
1980s
51
1990s
49
2000s
27
2010s
2
2020s
23

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 37.8°F 24.5°F 31.2°F 1.27 in 7.9 in 10
February 42.0°F 25.4°F 33.7°F 1.43 in 6.2 in 8
March 49.3°F 29.4°F 39.4°F 2.31 in 6.0 in 11
April 55.8°F 34.4°F 45.1°F 2.90 in 3.2 in 14
May 63.8°F 41.6°F 52.7°F 3.44 in 0.2 in 13
June 70.3°F 47.5°F 58.9°F 3.26 in 12
July 82.1°F 53.7°F 67.9°F 1.07 in 6
August 82.5°F 52.9°F 67.7°F 0.90 in 5
September 72.7°F 45.1°F 58.9°F 1.30 in 5
October 57.6°F 36.5°F 47.0°F 1.93 in 0.6 in 10
November 44.9°F 29.1°F 37.0°F 1.91 in 5.0 in 11
December 37.0°F 23.7°F 30.4°F 1.79 in 9.6 in 10

Climate twins of Grangeville

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

Compare Grangeville to another city