Brentwood

What is the climate like in Brentwood?

The best time to visit Brentwood is typically July – September, with trip comfort peaking in August (7.3/10). Brentwood is warmest in August, when daily highs average 77°F (25°C), and coolest in February, when lows fall to about 8°F (-13°C). The wettest month is typically June and the driest is January; the year sees roughly 20 in (520 mm) of precipitation.

• Best time to visitJuly – September — comfort peaks in August (7.3/10)
• Warmest monthAugust — average high 77°F (25°C)
• Coolest monthFebruary — average low 8°F (-13°C)
• Wettest monthJune (3.9 in (99 mm))
• Driest monthJanuary (0.5 in (13 mm))
• Annual precipitation20 in (520 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCop Upper, 6 km away (1993-2026)