Castaños weather in August
In August, Castaños sees average daytime highs of 32°C and overnight lows near 22°C, with 64 mm of rain across 9.2 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 32°C in the first days to 31°C by the end. The sky is clear or mostly clear about 51% of the time in August, and the air most often feels humid.
Daylight stretches from about 13 h 18 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Castaños's 10th-clearest and 4th-windiest month. For the whole year in context, see Castaños's year-round climate.
- Daytime high
- 32°
- 3rd warmest
- Overnight low
- 22°
- 11th coldest
- Rainfall
- 64 mm
- 9.2 wet days
- Daylight
- 13 hours
- 6:21 AM – 7:18 PM
- Cloud cover
- 44%
- 10th clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 6.64 kWh/m²
- Travel score
- 4.3
- out of 10
Castaños is municipal seat of Castaños, State of Coahuila, Mexico.
- Founded
- 1674
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 32°C in the first days to 31°C by the end.
A typical August day in Castaños reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, August runs on par with July and about 3°C 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 (°C) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 32 | 22 |
| 2 | 32 | 22 |
| 3 | 32 | 22 |
| 4 | 32 | 22 |
| 5 | 32 | 22 |
| 6 | 32 | 22 |
| 7 | 32 | 22 |
| 8 | 32 | 22 |
| 9 | 32 | 22 |
| 10 | 32 | 22 |
| 11 | 32 | 22 |
| 12 | 32 | 22 |
| 13 | 32 | 22 |
| 14 | 32 | 22 |
| 15 | 32 | 22 |
| 16 | 32 | 22 |
| 17 | 32 | 22 |
| 18 | 32 | 22 |
| 19 | 32 | 22 |
| 20 | 32 | 22 |
| 21 | 32 | 22 |
| 22 | 32 | 21 |
| 23 | 32 | 21 |
| 24 | 31 | 21 |
| 25 | 31 | 21 |
| 26 | 31 | 21 |
| 27 | 31 | 21 |
| 28 | 31 | 21 |
| 29 | 31 | 21 |
| 30 | 31 | 21 |
| 31 | 30 | 21 |
How August really feels in Castaños
Once humidity and wind are folded in, August averages 23 days that feel above 32°C and 0 that feel at or below 0°C — 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.
Castaños weather by month
How August compares with the rest of the year at a glance. August is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 7° | 17 | 3.6 | 10.5 | 7.2 |
| Feb | 22° / 9° | 12 | 3.1 | 11.1 | 8.0 |
| Mar | 25° / 13° | 24 | 4.3 | 11.8 | 8.0 |
| Apr | 29° / 16° | 27 | 5.8 | 12.6 | 6.2 |
| May | 32° / 20° | 49 | 11.6 | 13.3 | 4.3 |
| Jun | 33° / 22° | 56 | 10.2 | 13.7 | 3.8 |
| Jul | 32° / 22° | 81 | 10.2 | 13.5 | 4.0 |
| Aug | 32° / 22° | 64 | 9.2 | 12.9 | 4.3 |
| Sep | 28° / 19° | 121 | 13 | 12.2 | 5.6 |
| Oct | 26° / 15° | 39 | 6.7 | 11.4 | 7.6 |
| Nov | 22° / 11° | 21 | 3.9 | 10.7 | 8.0 |
| Dec | 19° / 7° | 19 | 3.4 | 10.3 | 7.4 |
Cloud cover in August
The sky is clear or mostly clear about 51% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.
| 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 (%) | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 67 | 66 | 66 | 65 | 63 | 63 |
| Cloudier (%) | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 33 | 34 | 34 | 35 | 37 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 71 | 29 |
| 4 | 71 | 29 |
| 5 | 71 | 29 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 71 | 29 |
| 10 | 71 | 29 |
| 11 | 71 | 29 |
| 12 | 71 | 29 |
| 13 | 71 | 29 |
| 14 | 71 | 29 |
| 15 | 71 | 29 |
| 16 | 71 | 29 |
| 17 | 71 | 29 |
| 18 | 71 | 29 |
| 19 | 71 | 29 |
| 20 | 71 | 29 |
| 21 | 70 | 30 |
| 22 | 70 | 30 |
| 23 | 70 | 30 |
| 24 | 70 | 30 |
| 25 | 69 | 31 |
| 26 | 67 | 33 |
| 27 | 66 | 34 |
| 28 | 66 | 34 |
| 29 | 65 | 35 |
| 30 | 63 | 37 |
| 31 | 63 | 37 |
Chance of precipitation in August
Castaños gets around 64 mm of rain over 9.2 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 31% and peaks near 42% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 33 | 35 | 36 | 38 | 39 | 40 | 42 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 29 |
| 4 | 29 |
| 5 | 29 |
| 6 | 29 |
| 7 | 29 |
| 8 | 29 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 29 |
| 13 | 29 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 29 |
| 18 | 29 |
| 19 | 29 |
| 20 | 29 |
| 21 | 30 |
| 22 | 30 |
| 23 | 31 |
| 24 | 32 |
| 25 | 33 |
| 26 | 35 |
| 27 | 36 |
| 28 | 38 |
| 29 | 39 |
| 30 | 40 |
| 31 | 42 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.
| 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 (%) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Comfortable (%) | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 |
| Humid (%) | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 41 | 40 | 39 | 37 |
| Muggy (%) | 33 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 37 | 39 | 40 | 41 | 42 |
| Oppressive (%) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 3 | 22 | 40 | 33 | 3 |
| 2 | 3 | 21 | 40 | 33 | 3 |
| 3 | 3 | 21 | 41 | 33 | 3 |
| 4 | 2 | 21 | 41 | 33 | 3 |
| 5 | 2 | 20 | 41 | 34 | 2 |
| 6 | 2 | 20 | 41 | 34 | 2 |
| 7 | 2 | 20 | 41 | 35 | 2 |
| 8 | 2 | 20 | 41 | 35 | 2 |
| 9 | 3 | 20 | 41 | 35 | 2 |
| 10 | 3 | 19 | 41 | 35 | 1 |
| 11 | 3 | 19 | 41 | 36 | 1 |
| 12 | 3 | 19 | 41 | 35 | 1 |
| 13 | 3 | 19 | 42 | 35 | 1 |
| 14 | 3 | 19 | 42 | 35 | 1 |
| 15 | 3 | 18 | 43 | 35 | 1 |
| 16 | 3 | 18 | 43 | 35 | 1 |
| 17 | 3 | 18 | 43 | 34 | 1 |
| 18 | 3 | 18 | 43 | 34 | 1 |
| 19 | 3 | 18 | 44 | 34 | 2 |
| 20 | 3 | 18 | 44 | 34 | 2 |
| 21 | 3 | 17 | 44 | 34 | 2 |
| 22 | 3 | 17 | 44 | 34 | 2 |
| 23 | 3 | 17 | 44 | 34 | 2 |
| 24 | 3 | 16 | 44 | 35 | 2 |
| 25 | 3 | 16 | 43 | 35 | 2 |
| 26 | 3 | 16 | 43 | 36 | 2 |
| 27 | 3 | 15 | 42 | 37 | 2 |
| 28 | 3 | 15 | 41 | 39 | 2 |
| 29 | 3 | 15 | 40 | 40 | 3 |
| 30 | 3 | 14 | 39 | 41 | 3 |
| 31 | 3 | 14 | 37 | 42 | 3 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h 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 (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
| 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 (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 18 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over August. Sunrise moves from 6:13 AM to 6:28 AM, and sunset from 7:30 PM to 7:03 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) | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 |
| Sunrise (AM) | 6:13 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 |
| Sunset (PM) | 7:30 | 7:29 | 7:29 | 7:28 | 7:27 | 7:27 | 7:26 | 7:25 | 7:24 | 7:24 | 7:23 | 7:22 | 7:21 | 7:20 | 7:19 | 7:18 | 7:18 | 7:17 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:06 | 7:05 | 7:04 | 7:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 6:13 | 7:30 |
| 2 | 13.3 | 6:14 | 7:29 |
| 3 | 13.2 | 6:15 | 7:29 |
| 4 | 13.2 | 6:15 | 7:28 |
| 5 | 13.2 | 6:16 | 7:27 |
| 6 | 13.2 | 6:16 | 7:27 |
| 7 | 13.2 | 6:17 | 7:26 |
| 8 | 13.1 | 6:17 | 7:25 |
| 9 | 13.1 | 6:18 | 7:24 |
| 10 | 13.1 | 6:18 | 7:24 |
| 11 | 13.1 | 6:19 | 7:23 |
| 12 | 13.0 | 6:19 | 7:22 |
| 13 | 13.0 | 6:20 | 7:21 |
| 14 | 13.0 | 6:20 | 7:20 |
| 15 | 13.0 | 6:21 | 7:19 |
| 16 | 13.0 | 6:21 | 7:18 |
| 17 | 12.9 | 6:22 | 7:18 |
| 18 | 12.9 | 6:22 | 7:17 |
| 19 | 12.9 | 6:23 | 7:16 |
| 20 | 12.9 | 6:23 | 7:15 |
| 21 | 12.8 | 6:24 | 7:14 |
| 22 | 12.8 | 6:24 | 7:13 |
| 23 | 12.8 | 6:25 | 7:12 |
| 24 | 12.8 | 6:25 | 7:11 |
| 25 | 12.7 | 6:26 | 7:10 |
| 26 | 12.7 | 6:26 | 7:09 |
| 27 | 12.7 | 6:26 | 7:08 |
| 28 | 12.7 | 6:27 | 7:06 |
| 29 | 12.6 | 6:27 | 7:05 |
| 30 | 12.6 | 6:28 | 7:04 |
| 31 | 12.6 | 6:28 | 7:03 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.64 kWh/m².
For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 7.06 kWh/m² in June across the year — August's 6.64 kWh/m² falls in the middle.
| 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) | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.0 | 6.0 | 5.9 |
| 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 | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.9 | Intense |
| 7 | 6.9 | Intense |
| 8 | 6.8 | Intense |
| 9 | 6.8 | Intense |
| 10 | 6.8 | Intense |
| 11 | 6.8 | Intense |
| 12 | 6.8 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.6 | Intense |
| 18 | 6.6 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Castaños
In August, Castaños sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Castaños's rainy season runs June–September, when most of the year's rain falls.
Is August a good time to visit Castaños?
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 Castaños for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Castaños in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Castaños sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.
UV index in Castaños in August
Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Castaños peaks around July 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 11 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Castaños 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 Castaños is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 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) | 9 | 9 | 9 | 11 | 15 | 15 | 18 | 15 | 14 | 11 | 10 | 9 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 11 | Good |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 18 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Castaños?
Castaños sits at 26.8°N, 101.4°W, 756 m above sea level, in Mexico. The nearest listed city is Monclova, 13 km away.
Topography around Castaños
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castaños.
Within 3 km, the terrain around Castaños has only modest variations in elevation — a maximum elevation change of 240 m around an average of 777 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,344 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,316 m.
The land around Castaños is covered by shrubs (58%) and artificial surfaces (26%) within 3 km, shrubs (81%) within 16 km, and shrubs (88%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- 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 Castaños (26.7893°, -101.4321°, elevation 756 m), 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).