Rosemont weather in August
In August, Rosemont sees average daytime highs of 91°F and overnight lows near 61°F, with 0.1 in of rain across 0.2 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 90% of the time in August, and the air most often feels dry.
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 Rosemont's 2nd-clearest and 8th-windiest month. For the whole year in context, see Rosemont's year-round climate.
- Daytime high
- 91°
- 2nd warmest
- Overnight low
- 61°
- 11th coldest
- Rainfall
- 0.1 in
- 0.2 wet days
- Daylight
- 13 h 30 min
- 5:24 AM – 6:55 PM
- Cloud cover
- 10%
- 2nd clearest
- Wind
- 5 mph
- 8th windiest
- Solar energy
- 7.39 kWh/m²
- Travel score
- 5.0
- out of 10
Rosemont is census-designated place in Sacramento County, California, United States.
- Density
- 2,014/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 91°F through the month.
A typical August day in Rosemont reaches about 91°F in the afternoon and slips back to 61°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 98°F. Set against its neighbours, August runs on par with July and about 4°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) | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 |
| Avg low (°F) | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 91 | 62 |
| 2 | 91 | 62 |
| 3 | 91 | 62 |
| 4 | 91 | 62 |
| 5 | 91 | 62 |
| 6 | 91 | 62 |
| 7 | 91 | 62 |
| 8 | 91 | 62 |
| 9 | 91 | 62 |
| 10 | 91 | 62 |
| 11 | 91 | 62 |
| 12 | 91 | 62 |
| 13 | 91 | 62 |
| 14 | 91 | 61 |
| 15 | 91 | 61 |
| 16 | 91 | 61 |
| 17 | 91 | 61 |
| 18 | 91 | 61 |
| 19 | 91 | 61 |
| 20 | 91 | 61 |
| 21 | 91 | 61 |
| 22 | 91 | 61 |
| 23 | 91 | 61 |
| 24 | 91 | 61 |
| 25 | 91 | 61 |
| 26 | 91 | 61 |
| 27 | 90 | 61 |
| 28 | 90 | 61 |
| 29 | 90 | 61 |
| 30 | 90 | 61 |
| 31 | 90 | 61 |
How August really feels in Rosemont
Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rosemont weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 57° / 41° | 4.9 | 9.5 | 9.6 | 4.2 |
| Feb | 62° / 43° | 4.7 | 9.6 | 10.5 | 5.2 |
| Mar | 66° / 46° | 4.1 | 9.2 | 11.7 | 6.3 |
| Apr | 72° / 50° | 1.9 | 5.8 | 13 | 7.5 |
| May | 80° / 55° | 1.1 | 4 | 14.1 | 7.7 |
| Jun | 88° / 59° | 0.2 | 1 | 14.6 | 5.9 |
| Jul | 91° / 62° | 0.0 | 0.1 | 14.4 | 4.8 |
| Aug | 91° / 61° | 0.1 | 0.2 | 13.5 | 5.0 |
| Sep | 87° / 59° | 0.1 | 0.7 | 12.3 | 6.4 |
| Oct | 78° / 53° | 1.4 | 3.2 | 11 | 8.3 |
| Nov | 65° / 45° | 2.6 | 6.6 | 9.9 | 6.5 |
| Dec | 57° / 40° | 4.8 | 9.7 | 9.4 | 4.1 |
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 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 |
| Cloudier (%) | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 95 | 5 |
| 5 | 95 | 5 |
| 6 | 95 | 5 |
| 7 | 94 | 6 |
| 8 | 94 | 6 |
| 9 | 94 | 6 |
| 10 | 94 | 6 |
| 11 | 94 | 6 |
| 12 | 94 | 6 |
| 13 | 94 | 6 |
| 14 | 94 | 6 |
| 15 | 95 | 5 |
| 16 | 95 | 5 |
| 17 | 96 | 4 |
| 18 | 96 | 4 |
| 19 | 96 | 4 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 96 | 4 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 96 | 4 |
Chance of precipitation in August
Rosemont 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 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 | 0 |
| 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 | 1 |
Humidity in August
Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the dry band about 66% 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 (%) | 62 | 62 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 68 | 69 | 70 | 70 | 71 |
| Comfortable (%) | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 25 |
| Humid (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 62 | 35 | 3 |
| 2 | 62 | 35 | 3 |
| 3 | 63 | 34 | 3 |
| 4 | 63 | 34 | 3 |
| 5 | 63 | 34 | 3 |
| 6 | 63 | 34 | 3 |
| 7 | 64 | 33 | 3 |
| 8 | 64 | 33 | 3 |
| 9 | 64 | 33 | 3 |
| 10 | 65 | 33 | 2 |
| 11 | 65 | 33 | 2 |
| 12 | 65 | 33 | 2 |
| 13 | 66 | 32 | 2 |
| 14 | 66 | 32 | 2 |
| 15 | 66 | 32 | 2 |
| 16 | 65 | 32 | 3 |
| 17 | 65 | 32 | 3 |
| 18 | 65 | 32 | 3 |
| 19 | 66 | 31 | 3 |
| 20 | 66 | 31 | 3 |
| 21 | 66 | 31 | 3 |
| 22 | 66 | 31 | 3 |
| 23 | 66 | 31 | 3 |
| 24 | 66 | 31 | 3 |
| 25 | 67 | 30 | 3 |
| 26 | 67 | 30 | 3 |
| 27 | 68 | 29 | 3 |
| 28 | 69 | 28 | 3 |
| 29 | 70 | 27 | 3 |
| 30 | 70 | 26 | 4 |
| 31 | 71 | 25 | 4 |
Wind in August
Winds average 5 mph in August.
Across August, daily wind ranges from about 5 mph on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | 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 5:11 AM to 5:38 AM, and sunset from 7:12 PM to 6:33 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 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 |
| Sunrise (AM) | 5:11 | 5:12 | 5:12 | 5:13 | 5:14 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:21 | 5:22 | 5:23 | 5:24 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:30 | 5:31 | 5:32 | 5:32 | 5:33 | 5:34 | 5:35 | 5:36 | 5:37 | 5:38 |
| 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 | 6:56 | 6:55 | 6:54 | 6:52 | 6:51 | 6:49 | 6:48 | 6:47 | 6:45 | 6:44 | 6:42 | 6:41 | 6:39 | 6:38 | 6:36 | 6:35 | 6:33 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:11 | 7:12 |
| 2 | 14.0 | 5:12 | 7:11 |
| 3 | 14.0 | 5:12 | 7:10 |
| 4 | 13.9 | 5:13 | 7:09 |
| 5 | 13.9 | 5:14 | 7:08 |
| 6 | 13.9 | 5:15 | 7:07 |
| 7 | 13.8 | 5:16 | 7:06 |
| 8 | 13.8 | 5:17 | 7:05 |
| 9 | 13.8 | 5:18 | 7:04 |
| 10 | 13.7 | 5:19 | 7:03 |
| 11 | 13.7 | 5:20 | 7:01 |
| 12 | 13.7 | 5:21 | 7:00 |
| 13 | 13.6 | 5:21 | 6:59 |
| 14 | 13.6 | 5:22 | 6:58 |
| 15 | 13.5 | 5:23 | 6:56 |
| 16 | 13.5 | 5:24 | 6:55 |
| 17 | 13.5 | 5:25 | 6:54 |
| 18 | 13.4 | 5:26 | 6:52 |
| 19 | 13.4 | 5:27 | 6:51 |
| 20 | 13.4 | 5:28 | 6:49 |
| 21 | 13.3 | 5:29 | 6:48 |
| 22 | 13.3 | 5:30 | 6:47 |
| 23 | 13.2 | 5:31 | 6:45 |
| 24 | 13.2 | 5:32 | 6:44 |
| 25 | 13.2 | 5:32 | 6:42 |
| 26 | 13.1 | 5:33 | 6:41 |
| 27 | 13.1 | 5:34 | 6:39 |
| 28 | 13.0 | 5:35 | 6:38 |
| 29 | 13.0 | 5:36 | 6:36 |
| 30 | 13.0 | 5:37 | 6:35 |
| 31 | 12.9 | 5:38 | 6:33 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 7.39 kWh/m².
For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 8.21 kWh/m² in July across the year — August's 7.39 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) | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 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 | 7.9 | Intense |
| 2 | 7.8 | Intense |
| 3 | 7.8 | Intense |
| 4 | 7.8 | Intense |
| 5 | 7.8 | Intense |
| 6 | 7.7 | Intense |
| 7 | 7.7 | Intense |
| 8 | 7.7 | Intense |
| 9 | 7.7 | Intense |
| 10 | 7.6 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.5 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.4 | Intense |
| 17 | 7.4 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.3 | 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 |
Hazard calendar for Rosemont
None of Rosemont's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Rosemont's rainy season runs November–March, when most of the year's rain falls.
Is August a good time to visit Rosemont?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Rosemont for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rosemont in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Rosemont sees daytime highs around 91°F and nights near 61°F. Pack light clothes and sun protection.
UV index in Rosemont in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rosemont peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 | 3 | 4 | 6 | 8 | 10 | 10 | 9 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Rosemont 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 Rosemont 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 Rosemont?
Rosemont sits at 38.6°N, 121.4°W, 49 ft above sea level, in United States. The nearest listed city is Arden-Arcade, 3.7 mi away.
Topography around Rosemont
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rosemont.
Within 2 miles, the terrain around Rosemont has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 52 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 328 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,384 ft.
The land around Rosemont is covered by artificial surfaces (51%) and trees (20%) within 2 miles, artificial surfaces (43%), grassland (28%) and trees (20%) within 10 miles, and trees (34%), grassland (31%) and cropland (23%) 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 Rosemont (38.5519°, -121.3647°, elevation 49 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).