Pleasant Hill, CA

Climate overview — based on NOAA 1991-2020 normals from CONCORD WWTP, 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

Pleasant Hill has an annual average temperature of 62.4°F with about 17.7 inches of precipitation per year. The warmest month is July (average high 88.3°F), and the coldest is December (average low 41.2°F). February is typically the wettest month (3.57 in) and July the driest (0.00 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
23.6°F
warmest to coldest month
Heating need
1,863
Cooling need
915

Best time to visit Pleasant Hill

Full guide →

Climate change signal

All-time records →

78 of 366 (21.3%) of Pleasant Hill'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
99
2000s
123
2010s
144

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 58.4°F 41.7°F 50.1°F 3.46 in 10
February 63.2°F 44.1°F 53.7°F 3.57 in 10
March 67.7°F 46.8°F 57.2°F 2.57 in 8
April 72.2°F 49.2°F 60.7°F 1.23 in 5
May 78.0°F 53.1°F 65.5°F 0.61 in 3
June 84.6°F 56.7°F 70.7°F 0.12 in 1
July 88.3°F 58.3°F 73.3°F 0.00 in 0
August 88.2°F 58.8°F 73.5°F 0.02 in 0
September 86.1°F 57.6°F 71.9°F 0.06 in 1
October 78.2°F 53.1°F 65.6°F 0.68 in 3
November 66.7°F 45.9°F 56.3°F 1.87 in 6
December 58.7°F 41.2°F 49.9°F 3.55 in 9

Climate twins of Pleasant Hill

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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