Sweet Home, OR

Climate overview — based on NOAA 1991-2020 normals from FOSTER DAM, OR US.

Csb Warm-summer Mediterranean climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Sweet Home has an annual average temperature of 52.4°F with about 54.5 inches of precipitation per year. The warmest month is August (average high 82.6°F), and the coldest is January (average low 34.3°F). December is typically the wettest month (8.40 in) and July the driest (0.54 in).

Annual swing
26°F
warmest to coldest month
Heating need
4,620
Cooling need
84

Best time to visit Sweet Home

Full guide →

Climate change signal

All-time records →

86 of 366 (23.5%) of Sweet Home'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
1
1970s
56
1980s
75
1990s
59
2000s
61
2010s
71
2020s
43

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 47.5°F 34.3°F 40.9°F 7.15 in 0.1 in 19
February 51.2°F 34.5°F 42.8°F 5.56 in 17
March 55.5°F 36.9°F 46.2°F 6.26 in 19
April 60.3°F 39.6°F 49.9°F 5.37 in 18
May 67.0°F 43.9°F 55.5°F 3.80 in 13
June 72.9°F 47.9°F 60.4°F 2.46 in 9
July 81.7°F 51.0°F 66.4°F 0.54 in 3
August 82.6°F 50.3°F 66.4°F 0.64 in 3
September 76.4°F 46.8°F 61.6°F 1.99 in 7
October 64.1°F 41.9°F 53.0°F 4.64 in 13
November 52.9°F 37.6°F 45.3°F 7.64 in 18
December 46.5°F 34.3°F 40.4°F 8.40 in 20

Climate twins of Sweet Home

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 Sweet Home to another city