Brentwood, California Climate
United States
Pop. 58,968 Elev. 23 m / 75 ft
TZ: America/Los_Angeles (UTC-7) ·
Brentwood has a dry climate with warm summers reaching 86°F (30°C) in August and cool winters averaging 41°F (5°C) in January. Rain falls on about 25 days per year (15.4 in / 392 mm total). The city averages 200 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 86°F (30°C) high | 41°F (5°C) low |
| Feels like | 90°F (32°C) high | 41°F (5°C) low |
| Rain | 25 days | 15.4 in (392 mm) /yr |
| Sky | 200 sunny | 11 stormy |
| Wind | 5.0 mph (2.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
36
Jan 63
Feb 57
Mar 45
Apr 21
May 14
Jun 24
Jul 18
Aug 33
Sep 39
Oct 68
Nov 69
Dec Humidity (%)
66
Jan 73
Feb 70
Mar 63
Apr 54
May 59
Jun 65
Jul 60
Aug 64
Sep 70
Oct 83
Nov 85
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 20 mi Buchanan Field (CCR)
Ski resort 96 mi Bear Valley Adventure Company
National park 39 mi Old Sacramento State Historic Park
Mountain peak
(6,021 ft) 78 mi Blue Mountain
Hospital 5 mi Kaiser Permanente Antioch Medical Center
Hiking trail 9 mi Bob Walker Regional Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 61°F 16°C | 41°F 5°C | 0.5 in 11 mm | — | 17 |
| February | 63°F 17°C | 45°F 7°C | 5.1 in 130 mm | — | 6 |
| March | 66°F 19°C | 48°F 9°C | 2.3 in 59 mm | — | 10 |
| April | 73°F 23°C | 50°F 10°C | 0.3 in 9 mm | — | 13 |
| May | 81°F 27°C | 55°F 13°C | 0.1 in 2 mm | — | 25 |
| June | 80°F 27°C | 56°F 13°C | 0.0 in 0 mm | — | 30 |
| July | 80°F 27°C | 58°F 14°C | 0.0 in 0 mm | — | 28 |
| August | 86°F 30°C | 60°F 16°C | 0.0 in 1 mm | — | 28 |
| September | 84°F 29°C | 62°F 17°C | 0.1 in 2 mm | — | 19 |
| October | 74°F 23°C | 55°F 13°C | 1.7 in 44 mm | — | 16 |
| November | 64°F 18°C | 50°F 10°C | 3.3 in 84 mm | — | 5 |
| December | 56°F 13°C | 45°F 7°C | 2.0 in 52 mm | — | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 0 |
| February | 6 | 3 |
| March | 10 | 1 |
| April | 13 | 0 |
| May | 25 | 0 |
| June | 30 | 0 |
| July | 28 | 0 |
| August | 28 | 0 |
| September | 19 | 0 |
| October | 16 | 1 |
| November | 5 | 4 |
| December | 3 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 53°F 12°C | 48°F 9°C |
| February | 54°F 12°C | 51°F 10°C |
| March | 55°F 13°C | 55°F 13°C |
| April | 56°F 13°C | 59°F 15°C |
| May | 55°F 13°C | 63°F 17°C |
| June | 57°F 14°C | 65°F 18°C |
| July | 60°F 16°C | 67°F 19°C |
| August | 61°F 16°C | 69°F 20°C |
| September | 62°F 17°C | 69°F 21°C |
| October | 62°F 17°C | 63°F 17°C |
| November | 58°F 14°C | 58°F 15°C |
| December | 56°F 14°C | 50°F 10°C |