The best time to visit Brentwood, California, for pleasant weather and outdoor activities is generally from late spring through early autumn, specifically May to October.During these months, Brentwood experiences warm, dry weather with plenty of sunshine, making it ideal for exploring the local farmers' markets, picking fruit at one of the many orchards, or enjoying time at the nearby Delta waterways. Temperatures during this period typically range from the low 20s to low 30s Celsius.For those looking to enjoy the agricultural bounty of the region, the summer months, particularly June to August, are prime for U-pick farms, with cherries, apricots, and peaches readily available. This is also a great time for families to visit, as many farms offer additional activities for children.If you prefer slightly cooler temperatures but still want to enjoy the outdoor attractions, late spring (May) and early autumn (September and October) are excellent choices. The weather is still very agreeable, and there are often fewer crowds at popular spots.