Lowell, OR

Climate overview — based on NOAA 1991-2020 normals from LOOKOUT PT DAM, 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

Lowell has an annual average temperature of 53.4°F with about 46 inches of precipitation per year and 0.6 inches of snow. The warmest month is August (average high 80.0°F), and the coldest is December (average low 36.9°F). December is typically the wettest month (7.04 in) and July the driest (0.51 in). Snow typically falls from January through February.

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
25.8°F
warmest to coldest month
Heating need
4,302
Cooling need
135

Best time to visit Lowell

Full guide →

Climate change signal

All-time records →

58 of 366 (15.8%) of Lowell'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.

1950s
28
1960s
52
1970s
55
1980s
58
1990s
58
2000s
50
2010s
32
2020s
33

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 46.9°F 37.1°F 42.0°F 6.06 in 0.4 in 19
February 50.3°F 37.8°F 44.1°F 4.64 in 0.2 in 17
March 54.2°F 39.8°F 47.0°F 5.14 in 19
April 58.5°F 42.5°F 50.5°F 4.83 in 19
May 64.9°F 46.7°F 55.8°F 3.52 in 14
June 70.8°F 50.7°F 60.8°F 2.04 in 9
July 79.8°F 54.7°F 67.2°F 0.51 in 3
August 80.0°F 54.5°F 67.3°F 0.56 in 4
September 74.2°F 52.2°F 63.2°F 1.63 in 7
October 62.8°F 47.2°F 55.0°F 3.65 in 13
November 52.0°F 41.5°F 46.7°F 6.41 in 19
December 46.0°F 36.9°F 41.5°F 7.04 in 20

Climate twins of Lowell

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 Lowell to another city