The most pleasant months of the year for Contra Costa County are October, June and May. In Contra Costa County, there are 6 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Contra Costa County with an average high temperature of 84.2°, which ranks it as cooler than most places in California. Any measurable snowfall is a rare occurance in Contra Costa County. There are few days during the summer when the humidity becomes unpleasant.
Today's Weather - Contra Costa, CA
3 AM PST
|7 DAY FORECAST||DESCRIPTION||HIGH/LOW||WIND|
|Overnight||Mostly Clear||59° / 78°||SSW 10 mph|
|Wednesday Night||Partly Cloudy||56° / 75°||SW 15 to 20 mph|
|Thursday Night||Mostly Clear||61° / 89°||SW 2 to 14 mph|
|Friday Night||Clear||62° / 85°||SSW 8 to 14 mph|
|Saturday Night||Mostly Clear||61° / 81°||WSW 15 mph|
|Sunday Night||Mostly Clear||61° / 81°||SW 16 mph|
|Monday Night||Mostly Clear||60° / 82°||SW 16 mph|
Average Monthly High and Low (°F)
Hot, Freezing, Rainy, Snowy Days: Contra Costa
YOU SHOULD KNOW
Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.
Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.
Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.