The link below is to all the homes for sale in Brentwood at this time.
For more accurate guides check out http://www.accuweather.com or http://www.weatherchannel.com. Or better yet! Call me, I'd love to show you around
I live in Brentwood and it is a very nice community. Weather here in the summer months is very warm and rather dry, winters are mild. Please view the link, here you will find out information about Brentwood you can also compare Brentwood to other cities in the area. Like I said I live and work here and would be happy to talk to you and answer any questions you may have.
I am a "show me the numbers" type when it comes you question.
Below is a website that covers your question and other important information regarding Brentwood.
Average temperature, precipitation, humidity, wind speed, snowfall, sunshine, cloudy days graphs are half way down the page.