Sandy, OR

Climate overview — based on NOAA 1991-2020 normals from HEADWORKS PORTLAND WTR B, OR US.

Csb Warm-summer Mediterranean climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Sandy has an annual average temperature of 51.4°F with about 79 inches of precipitation per year and 2.9 inches of snow. The warmest month is August (average high 77.6°F), and the coldest is December (average low 35.1°F). December is typically the wettest month (11.67 in) and July the driest (0.95 in). Snow typically falls from November through March.

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
26.8°F
warmest to coldest month
Heating need
4,926
Cooling need
33

Best time to visit Sandy

Full guide →

Climate change signal

All-time records →

22 of 366 (6%) of Sandy'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
0
1900s
9
1910s
30
1920s
35
1930s
45
1940s
41
1950s
26
1960s
27
1970s
18
1980s
53
1990s
47
2000s
13
2010s
16
2020s
6

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 43.8°F 35.3°F 39.5°F 10.26 in 0.7 in 22
February 47.2°F 35.9°F 41.6°F 7.95 in 1.2 in 18
March 51.9°F 37.4°F 44.6°F 8.50 in 0.2 in 21
April 56.9°F 40.5°F 48.7°F 7.34 in 20
May 64.1°F 45.6°F 54.8°F 5.72 in 16
June 68.9°F 49.7°F 59.3°F 3.96 in 12
July 76.6°F 53.9°F 65.2°F 0.95 in 5
August 77.6°F 54.2°F 65.9°F 1.20 in 5
September 71.7°F 50.9°F 61.3°F 3.42 in 9
October 60.1°F 45.1°F 52.6°F 7.37 in 17
November 49.1°F 39.5°F 44.3°F 10.62 in 0.2 in 21
December 43.1°F 35.1°F 39.1°F 11.67 in 0.6 in 23

Climate twins of Sandy

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 Sandy to another city