Warrenton, OR

Climate overview — based on NOAA 1991-2020 normals from ASTORIA RGNL AP, OR US.

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

Year-round temperatures (°F)

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

Climate summary

Warrenton has an annual average temperature of 51.4°F with about 70.3 inches of precipitation per year. The warmest month is August (average high 68.7°F), and the coldest is February (average low 37.4°F). November is typically the wettest month (11.05 in) and July the driest (0.83 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
18.1°F
warmest to coldest month
Heating need
4,887
Cooling need
0

Best time to visit Warrenton

Full guide →

Climate change signal

All-time records →

80 of 366 (21.9%) of Warrenton'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
33
1960s
47
1970s
43
1980s
64
1990s
38
2000s
45
2010s
62
2020s
34

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 49.4°F 38.1°F 43.7°F 10.59 in 22
February 50.9°F 37.4°F 44.2°F 7.18 in 19
March 53.0°F 39.0°F 46.0°F 7.90 in 22
April 55.9°F 41.5°F 48.7°F 5.80 in 19
May 60.5°F 46.3°F 53.4°F 3.40 in 16
June 64.0°F 50.6°F 57.3°F 2.30 in 14
July 67.4°F 53.9°F 60.6°F 0.83 in 8
August 68.7°F 53.9°F 61.3°F 1.12 in 8
September 67.6°F 50.5°F 59.0°F 2.67 in 10
October 60.7°F 44.9°F 52.8°F 6.74 in 17
November 53.6°F 40.2°F 46.9°F 11.05 in 21
December 48.7°F 37.6°F 43.2°F 10.68 in 22

Climate twins of Warrenton

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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