Ciudad Río Bravo weather in August

In August, Ciudad Río Bravo sees average daytime highs of 36°C and overnight lows near 25°C, with 44 mm of rain across 8 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 48% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Ciudad Río Bravo's 4th-clearest and 7th-windiest month. For the whole year in context, see Ciudad Río Bravo's year-round climate.

Daytime high
36°
1st warmest
Overnight low
25°
12th coldest
Rainfall
44 mm
8 wet days
Daylight
12 h 54 min
6:09 AM – 7:04 PM
Cloud cover
48%
4th clearest
Wind
16 km/h
7th windiest
Solar energy
6.39 kWh/m²
Travel score
2.2
out of 10

Ciudad Río Bravo is municipal seat of Río Bravo, State of Tamaulipas, Mexico.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical August day in Ciudad Río Bravo reaches about 36°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 38°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13626
23626
33626
43626
53626
63626
73626
83626
93626
103626
113626
123626
133626
143626
153626
163626
173625
183625
193625
203625
213625
223625
233625
243525
253525
263525
273525
283525
293525
303525
313525

How August really feels in Ciudad Río Bravo

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ciudad Río Bravo weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°285.210.67.4
Feb25° / 14°244.611.17.7
Mar27° / 17°365.711.87.0
Apr30° / 20°435.612.65.4
May33° / 23°476.713.33.9
Jun35° / 25°557.713.62.8
Jul36° / 25°58713.52.4
Aug36° / 25°44812.92.2
Sep33° / 24°941312.23.3
Oct30° / 20°627.611.45.3
Nov26° / 16°375.910.77.4
Dec23° / 13°315.210.47.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47129
57129
67129
77030
87030
97030
107030
117030
126931
136931
146931
156832
166832
176832
186733
196733
206832
216733
226733
236634
246535
256436
266337
276238
286139
296040
305842
315842

Chance of precipitation in August

Any precipitation

Ciudad Río Bravo gets around 44 mm of rain over 8 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 26% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
121
221
321
421
522
622
722
822
922
1022
1122
1222
1323
1423
1523
1624
1724
1825
1925
2026
2126
2227
2328
2430
2531
2633
2734
2836
2937
3039
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1018118
2018118
3018019
4018019
5018019
6017920
7017920
8027820
9027820
10027721
11027721
12027721
13027820
14027820
15027820
16027820
17027919
18027919
19027919
20037819
21037819
22037819
23037819
24037819
25037720
26047620
27047521
28047422
29057322
30157123
31167023

Wind in August

Winds average 16 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 12 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 36 minutes over August. Sunrise moves from 6:01 AM to 6:16 AM, and sunset from 7:15 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:017:15
213.26:027:15
313.26:027:14
413.26:037:13
513.26:037:13
613.16:047:12
713.16:047:11
813.16:057:11
913.16:057:10
1013.16:067:09
1113.06:067:08
1213.06:077:07
1313.06:077:07
1413.06:087:06
1512.96:087:05
1612.96:097:04
1712.96:097:03
1812.96:107:02
1912.96:107:01
2012.86:117:00
2112.86:116:59
2212.86:126:58
2312.86:126:58
2412.76:126:57
2512.76:136:56
2612.76:136:55
2712.76:146:53
2812.66:146:52
2912.66:156:51
3012.66:156:50
3112.66:166:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.39 kWh/m².

For context, solar energy here swings from a low near 3.03 kWh/m² to a high of 6.74 kWh/m² in July across the year — August's 6.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in August

Is August a good time to visit Ciudad Río Bravo?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.2
Sightseeing
12th-best month of the year
5.3
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Ciudad Río Bravo.

What to pack for Ciudad Río Bravo in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Ciudad Río Bravo sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Ciudad Río Bravo in August

LowModerateHighVery highExtreme

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 Ciudad Río Bravo peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highExtremeVery highHighJun 21UV 12Dec 22UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Ciudad Río Bravo in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Ciudad Río Bravo is worst in July — around 26 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1625 µg/m³Nov 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr13Moderate
May20Moderate
Jun21Moderate
Jul26Moderate
Aug19Moderate
Sep12Moderate
Oct8Good
Nov7Good
Dec9Good
Location & terrain

Where is Ciudad Río Bravo?

Ciudad Río Bravo sits at 26.0°N, 98.1°W, 26 m above sea level, in Mexico. The nearest listed city is Donna, 21 km away.

Topography around Ciudad Río Bravo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ciudad Río Bravo.

Within 3 km, the terrain around Ciudad Río Bravo has only modest variations in elevation — a maximum elevation change of 14 m around an average of 29 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, significant variations in elevation — a maximum elevation change of 310 m.

The land around Ciudad Río Bravo is covered by artificial surfaces (45%) and cropland (40%) within 3 km, cropland (75%) within 16 km, and cropland (45%) within 80 km.

3 km
14 m
16 km
39 m
80 km
310 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Donna 21 km · Weslaco 22 km · Reynosa 22 km · Alamo 22 km · San Juan 24 km · Pharr 25 km · Mercedes 25 km · McAllen 28 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
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Ciudad Río Bravo (25.9851°, -98.0896°, elevation 26 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).