Brentwood weather in August
In August, Brentwood sees average daytime highs of 84°F and overnight lows near 59°F, with 0.1 in of rain across 0.2 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 90% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Brentwood's 2nd-clearest and 4th-windiest month. For the whole year in context, see Brentwood's year-round climate.
- Daytime high
- 84°
- 1st warmest
- Overnight low
- 59°
- 12th coldest
- Rainfall
- 0.1 in
- 0.2 wet days
- Daylight
- 13 h 30 min
- 5:27 AM – 6:55 PM
- Cloud cover
- 10%
- 2nd clearest
- Wind
- 8 mph
- 4th windiest
- Solar energy
- 7.35 kWh/m²
- Travel score
- 7.7
- out of 10
Brentwood is city in Contra Costa County, California, United States.
- Density
- 1,538/km²
- people per km²
- Founded
- 1837
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 84°F through the month.
A typical August day in Brentwood reaches about 84°F in the afternoon and slips back to 59°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 92°F. Set against its neighbours, August runs on par with July and about 2°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 |
| Avg low (°F) | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 84 | 59 |
| 2 | 84 | 59 |
| 3 | 84 | 59 |
| 4 | 84 | 59 |
| 5 | 84 | 59 |
| 6 | 84 | 59 |
| 7 | 84 | 59 |
| 8 | 84 | 59 |
| 9 | 84 | 59 |
| 10 | 84 | 59 |
| 11 | 84 | 59 |
| 12 | 84 | 59 |
| 13 | 84 | 59 |
| 14 | 84 | 59 |
| 15 | 84 | 59 |
| 16 | 84 | 59 |
| 17 | 84 | 59 |
| 18 | 84 | 59 |
| 19 | 84 | 59 |
| 20 | 84 | 59 |
| 21 | 84 | 59 |
| 22 | 84 | 59 |
| 23 | 84 | 59 |
| 24 | 84 | 59 |
| 25 | 84 | 59 |
| 26 | 84 | 59 |
| 27 | 84 | 59 |
| 28 | 84 | 59 |
| 29 | 84 | 59 |
| 30 | 84 | 59 |
| 31 | 84 | 59 |
Brentwood weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 57° / 43° | 3.7 | 9 | 9.7 | 4.2 |
| Feb | 61° / 45° | 3.5 | 8.8 | 10.5 | 5.2 |
| Mar | 66° / 48° | 2.7 | 8.3 | 11.7 | 6.4 |
| Apr | 70° / 50° | 1.2 | 4.7 | 13 | 7.6 |
| May | 76° / 54° | 0.6 | 3 | 14 | 8.5 |
| Jun | 82° / 57° | 0.1 | 0.7 | 14.6 | 8.3 |
| Jul | 84° / 59° | 0.0 | 0.2 | 14.4 | 7.7 |
| Aug | 84° / 59° | 0.1 | 0.2 | 13.5 | 7.7 |
| Sep | 82° / 58° | 0.0 | 0.3 | 12.3 | 8.3 |
| Oct | 76° / 54° | 0.9 | 2.8 | 11 | 8.6 |
| Nov | 65° / 47° | 1.8 | 5.4 | 10 | 6.6 |
| Dec | 57° / 43° | 3.4 | 8.4 | 9.4 | 4.3 |
Cloud cover in August
The sky is clear or mostly clear about 90% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 5%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 |
| Cloudier (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 94 | 6 |
| 5 | 94 | 6 |
| 6 | 94 | 6 |
| 7 | 94 | 6 |
| 8 | 95 | 5 |
| 9 | 94 | 6 |
| 10 | 94 | 6 |
| 11 | 94 | 6 |
| 12 | 94 | 6 |
| 13 | 94 | 6 |
| 14 | 94 | 6 |
| 15 | 94 | 6 |
| 16 | 94 | 6 |
| 17 | 94 | 6 |
| 18 | 94 | 6 |
| 19 | 95 | 5 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 96 | 4 |
| 25 | 96 | 4 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 97 | 3 |
| 31 | 97 | 3 |
Chance of precipitation in August
Brentwood gets around 0.1 in of rain over 0.2 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 0 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 46 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 49 | 51 | 52 | 54 |
| Comfortable (%) | 51 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 45 | 44 | 42 |
| Humid (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 46 | 51 | 3 |
| 2 | 47 | 50 | 3 |
| 3 | 47 | 50 | 3 |
| 4 | 47 | 50 | 3 |
| 5 | 47 | 50 | 3 |
| 6 | 47 | 50 | 3 |
| 7 | 46 | 51 | 3 |
| 8 | 46 | 51 | 3 |
| 9 | 46 | 51 | 3 |
| 10 | 46 | 51 | 3 |
| 11 | 46 | 51 | 3 |
| 12 | 46 | 51 | 3 |
| 13 | 45 | 52 | 3 |
| 14 | 45 | 52 | 3 |
| 15 | 45 | 52 | 3 |
| 16 | 45 | 52 | 3 |
| 17 | 45 | 52 | 3 |
| 18 | 46 | 50 | 4 |
| 19 | 46 | 50 | 4 |
| 20 | 46 | 50 | 4 |
| 21 | 46 | 50 | 4 |
| 22 | 46 | 50 | 4 |
| 23 | 46 | 50 | 4 |
| 24 | 47 | 49 | 4 |
| 25 | 47 | 49 | 4 |
| 26 | 47 | 48 | 4 |
| 27 | 48 | 48 | 4 |
| 28 | 49 | 47 | 4 |
| 29 | 51 | 45 | 4 |
| 30 | 52 | 44 | 4 |
| 31 | 54 | 42 | 4 |
Wind in August
Winds average 8 mph in August.
Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 7 | light breeze |
| 18 | 7 | light breeze |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in August
Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over August. Sunrise moves from 5:13 AM to 5:40 AM, and sunset from 7:12 PM to 6:34 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 | 12.9 |
| Sunrise (AM) | 5:13 | 5:14 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:19 | 5:20 | 5:21 | 5:22 | 5:23 | 5:24 | 5:25 | 5:26 | 5:27 | 5:27 | 5:28 | 5:29 | 5:30 | 5:31 | 5:32 | 5:33 | 5:34 | 5:35 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 |
| Sunset (PM) | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 | 7:01 | 7:00 | 6:59 | 6:58 | 6:57 | 6:55 | 6:54 | 6:53 | 6:51 | 6:50 | 6:48 | 6:47 | 6:46 | 6:44 | 6:43 | 6:41 | 6:40 | 6:38 | 6:37 | 6:35 | 6:34 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:13 | 7:12 |
| 2 | 14.0 | 5:14 | 7:11 |
| 3 | 13.9 | 5:15 | 7:10 |
| 4 | 13.9 | 5:16 | 7:09 |
| 5 | 13.9 | 5:17 | 7:08 |
| 6 | 13.8 | 5:18 | 7:07 |
| 7 | 13.8 | 5:19 | 7:06 |
| 8 | 13.8 | 5:19 | 7:05 |
| 9 | 13.7 | 5:20 | 7:04 |
| 10 | 13.7 | 5:21 | 7:03 |
| 11 | 13.7 | 5:22 | 7:01 |
| 12 | 13.6 | 5:23 | 7:00 |
| 13 | 13.6 | 5:24 | 6:59 |
| 14 | 13.6 | 5:25 | 6:58 |
| 15 | 13.5 | 5:26 | 6:57 |
| 16 | 13.5 | 5:27 | 6:55 |
| 17 | 13.4 | 5:27 | 6:54 |
| 18 | 13.4 | 5:28 | 6:53 |
| 19 | 13.4 | 5:29 | 6:51 |
| 20 | 13.3 | 5:30 | 6:50 |
| 21 | 13.3 | 5:31 | 6:48 |
| 22 | 13.3 | 5:32 | 6:47 |
| 23 | 13.2 | 5:33 | 6:46 |
| 24 | 13.2 | 5:34 | 6:44 |
| 25 | 13.1 | 5:35 | 6:43 |
| 26 | 13.1 | 5:35 | 6:41 |
| 27 | 13.1 | 5:36 | 6:40 |
| 28 | 13.0 | 5:37 | 6:38 |
| 29 | 13.0 | 5:38 | 6:37 |
| 30 | 12.9 | 5:39 | 6:35 |
| 31 | 12.9 | 5:40 | 6:34 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 7.35 kWh/m².
For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 8.13 kWh/m² in June across the year — August's 7.35 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.8 | Intense |
| 2 | 7.8 | Intense |
| 3 | 7.8 | Intense |
| 4 | 7.7 | Intense |
| 5 | 7.7 | Intense |
| 6 | 7.7 | Intense |
| 7 | 7.6 | Intense |
| 8 | 7.6 | Intense |
| 9 | 7.6 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.5 | Intense |
| 12 | 7.5 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.4 | Intense |
| 15 | 7.4 | Intense |
| 16 | 7.4 | Intense |
| 17 | 7.3 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.2 | Intense |
| 21 | 7.2 | Intense |
| 22 | 7.2 | Intense |
| 23 | 7.1 | Intense |
| 24 | 7.1 | Intense |
| 25 | 7.0 | Intense |
| 26 | 7.0 | Intense |
| 27 | 7.0 | Intense |
| 28 | 6.9 | Intense |
| 29 | 6.9 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.8 | Intense |
Is August a good time to visit Brentwood?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Brentwood for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Brentwood in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Brentwood sees daytime highs around 84°F and nights near 59°F. Pack light clothes and sun protection.
UV index in Brentwood in August
Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Brentwood peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 10 | 10 | 10 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Brentwood in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Brentwood is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 14 | 15 | 12 | 9 | 8 | 11 | 27 | 23 | 17 | 19 | 14 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 15 | Moderate |
| Apr | 12 | Good |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 11 | Good |
| Aug | 27 | Moderate |
| Sep | 23 | Moderate |
| Oct | 17 | Moderate |
| Nov | 19 | Moderate |
| Dec | 14 | Moderate |
Where is Brentwood?
Brentwood sits at 37.9°N, 121.7°W, 79 ft above sea level, in United States. The nearest listed city is Oakley, 4.3 mi away.
Topography around Brentwood
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brentwood.
Within 2 miles, the terrain around Brentwood has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 75 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,490 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,452 ft.
The land around Brentwood is covered by artificial surfaces (44%) and cropland (33%) within 2 miles, grassland (40%) and cropland (25%) within 10 miles, and grassland (35%) and trees (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brentwood (37.9319°, -121.6958°, elevation 79 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).