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Brentwood
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Brentwood Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Brentwood year round climate
- Spring (March–May): Average 54–66°F, mild and comfortable climate, rainfall gradually decreases, with the least rainfall in April. Common activities: Outdoor walks, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt.
- Summer (June–August): Average 73–78°F, hot and dry, very little rainfall. Common activities: Swimming, picnics, outdoor sports. Suggested clothing: Light and breathable clothing, hat, sunglasses.
- Autumn (September–November): Average 67–53°F, pleasant climate, rainfall gradually increases, with more rainfall in November. Common activities: Outings, enjoying autumn scenery. Suggested clothing: Light jacket or cardigan, long pants.
- Winter (December–February): Average 49–50°F, cold and humid, more rainfall, with the most rainfall in December. Common activities: Indoor activities, museum visits. Suggested clothing: Warm coat, scarf, gloves.
Brentwood climatological average
Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 486 mm / Summer humidity: 60%–70% / Rainiest month: December
Brentwood monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
49.1°F
100.7
February
50°F
64.5
March
54.7°F
74
April
59.9°F
19.4
May
66.4°F
12.3
June
73.2°F
0.7
July
79°F
0.1
August
75.7°F
1.1
September
73.6°F
13.6
October
67.3°F
1.9
November
53.1°F
46.6
December
49.3°F
151.5
Brentwood weather for the next seven days
12/15
Monday
Fog
47.7°F/39.6°F
12/16
Tuesday
Overcast
59.4°F/39.9°F
12/17
Wednesday
Fog
67.3°F/52.4°F
12/18
Thursday
Mist
60.1°F/46°F
12/19
Friday
Partly Cloudy
65.4°F/50°F
12/20
Saturday
Patchy rain nearby
67.4°F/56°F
12/21
Sunday
Moderate rain
60.3°F/58.8°F
