Salina Cruz weather in August

In August, Salina Cruz sees average daytime highs of 34°C and overnight lows near 25°C, with 163 mm of rain across 14.6 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Salina Cruz's 10th-clearest and 9th-windiest month. For the whole year in context, see Salina Cruz's year-round climate.

Daytime high
34°
4th warmest
Overnight low
25°
11th coldest
Rainfall
163 mm
14.6 wet days
Daylight
12 h 30 min
6:08 AM – 6:41 PM
Cloud cover
71%
10th clearest
Wind
11 km/h
9th windiest
Solar energy
6.06 kWh/m²
Travel score
2.8
out of 10

Salina Cruz is municipal seat of Salina Cruz, State of Oaxaca, Mexico.

Density
744/km²
people per km²
Founded
1522

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 34°C through the month.

A typical August day in Salina Cruz reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How August really feels in Salina Cruz

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
heat index over the day's high
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.

Salina Cruz weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°30.811.16.5
Feb31° / 21°30.811.55.7
Mar33° / 22°4111.94.8
Apr34° / 24°61.712.43.8
May34° / 25°679.912.73.0
Jun33° / 25°23317.812.92.9
Jul34° / 25°12211.612.93.0
Aug34° / 25°16314.612.52.8
Sep32° / 25°20617.412.13.1
Oct32° / 24°848.611.64.1
Nov32° / 23°151.711.25.3
Dec31° / 21°40.811.16.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53367
63367
73367
83367
93169
103169
113169
123070
133070
143070
153070
162971
172971
183070
193070
203070
213070
222872
232872
242872
252872
262872
272773
282674
292674
302674
312476

Chance of precipitation in August

Any precipitation

Salina Cruz gets around 163 mm of rain over 14.6 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 47% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
335
436
537
637
738
839
941
1042
1143
1244
1345
1446
1547
1648
1749
1849
1950
2051
2152
2253
2354
2454
2555
2656
2756
2857
2957
3058
3158

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
1275716
2285616
3285517
4285517
5285418
6275518
7275518
8265519
9265519
10255619
11255520
12245620
13235720
14235621
15225721
16215821
17215722
18205822
19205822
20195823
21195823
22185824
23175825
24175825
25165826
26165727
27155728
28155629
29145630
30145531
31135631

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212calm
312calm
412calm
512calm
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 6:05 AM to 6:11 AM, and sunset from 6:49 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:056:49
212.76:056:48
312.76:056:48
412.76:066:48
512.76:066:47
612.76:066:47
712.76:066:46
812.66:076:46
912.66:076:45
1012.66:076:45
1112.66:076:44
1212.66:086:44
1312.66:086:43
1412.66:086:42
1512.66:086:42
1612.56:086:41
1712.56:096:41
1812.56:096:40
1912.56:096:39
2012.56:096:39
2112.56:096:38
2212.56:106:37
2312.56:106:37
2412.46:106:36
2512.46:106:35
2612.46:106:35
2712.46:106:34
2812.46:106:33
2912.46:116:32
3012.36:116:32
3112.36:116:31

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.06 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.02 kWh/m² in April across the year — August's 6.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Salina Cruz

In seasonPeak

In August, Salina Cruz sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Salina Cruz sits in the Atlantic hurricane belt; the season peaks August–October.

Salina Cruz's monsoon runs June–September, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Salina Cruz?

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

2.8
Sightseeing
12th-best month of the year
5.3
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Salina Cruz.

What to pack for Salina Cruz in August

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

In August, Salina Cruz sees daytime highs around 34°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Salina Cruz in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr28Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov27Warm
Dec27Warm

UV index in Salina Cruz in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Salina Cruz peaks around April 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 15UV 12Dec 19UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Salina Cruz 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 Salina Cruz is worst in May — around 32 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1531 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar14Moderate
Apr25Moderate
May32Moderate
Jun21Moderate
Jul27Moderate
Aug20Moderate
Sep18Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Salina Cruz?

Salina Cruz sits at 16.2°N, 95.2°W, 8 m above sea level, in Mexico. The nearest listed city is Santo Domingo Tehuantepec, 17 km away.

Topography around Salina Cruz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Salina Cruz.

Within 3 km, the terrain around Salina Cruz has only modest variations in elevation — a maximum elevation change of 214 m around an average of 36 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 691 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,791 m.

The land around Salina Cruz is covered by artificial surfaces (33%) and water (27%) within 3 km, water (44%) and trees (21%) within 16 km, and water (35%) and trees (34%) within 80 km.

3 km
214 m
16 km
691 m
80 km
2,791 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Santo Domingo Tehuantepec 17 km · Heroica Ciudad de Juchitán de Zaragoza 34 km · Ixtepec 44 km · Matías Romero Avendaño 80 km · Crucecita 110 km · Arriaga 138 km · Miahuatlán de Porfirio Díaz 151 km · Tonalá 154 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 Salina Cruz (16.1754°, -95.1942°, elevation 8 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).