Concord, CA

Climate overview — based on NOAA 1991-2020 normals from CONCORD BUCHANAN FLD, CA US.

BSk Semi-arid (cold) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 50° 60° 70° 80° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Concord has an annual average temperature of 62°F with about 16.1 inches of precipitation per year. The warmest month is July (average high 88.0°F), and the coldest is December (average low 40.7°F). January is typically the wettest month (3.21 in) and July the driest (0.00 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
24.2°F
warmest to coldest month
Heating need
1,974
Cooling need
897

Best time to visit Concord

Full guide →

Climate change signal

All-time records →

206 of 366 (56.3%) of Concord'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.

1990s
10
2000s
103
2010s
146
2020s
107

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 57.6°F 41.2°F 49.4°F 3.21 in 9
February 62.1°F 43.8°F 53.0°F 3.19 in 9
March 66.7°F 46.6°F 56.6°F 2.26 in 9
April 71.2°F 49.1°F 60.1°F 1.12 in 5
May 77.5°F 53.0°F 65.3°F 0.51 in 3
June 84.2°F 57.1°F 70.6°F 0.16 in 1
July 88.0°F 58.7°F 73.4°F 0.00 in 0
August 87.9°F 59.4°F 73.6°F 0.02 in 0
September 85.3°F 57.8°F 71.6°F 0.06 in 1
October 78.1°F 52.6°F 65.4°F 0.73 in 3
November 66.1°F 45.2°F 55.6°F 1.61 in 7
December 58.2°F 40.7°F 49.5°F 3.18 in 10

Climate twins of Concord

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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