Puerto Vallarta weather in August

In August, Puerto Vallarta sees average daytime highs of 28°C and overnight lows near 22°C, with 342 mm of rain across 29.8 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Puerto Vallarta's 11th-clearest and 11th-windiest month. For the whole year in context, see Puerto Vallarta's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
22°
12th coldest
Rainfall
342 mm
29.8 wet days
Daylight
12 h 42 min
6:44 AM – 7:26 PM
Cloud cover
82%
11th clearest
Wind
4 km/h
11th windiest
Solar energy
4.91 kWh/m²
Travel score
3.4
out of 10

Puerto Vallarta is municipal seat of Puerto Vallarta, State of Jalisco, Mexico.

Density
4,311/km²
people per km²
Founded
1851

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 28°C through the month.

A typical August day in Puerto Vallarta reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822
312822

Puerto Vallarta weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 16°34310.98.2
Feb26° / 16°24211.38.4
Mar27° / 17°100.911.98.5
Apr28° / 18°40.612.57.9
May29° / 20°163136.8
Jun28° / 22°20018.813.24.7
Jul28° / 22°28528.613.13.6
Aug28° / 22°34229.812.73.4
Sep27° / 22°33328.312.13.5
Oct27° / 21°1491911.55.2
Nov27° / 19°355.4117.6
Dec25° / 17°252.910.88.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51486
61486
71486
81486
91486
101486
111486
121486
131486
141486
151486
161486
171486
181486
191486
201486
211486
221486
231486
241387
251387
261387
271288
281288
291288
301189
311189

Chance of precipitation in August

Any precipitation

Puerto Vallarta gets around 342 mm of rain over 29.8 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 96% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
595
695
795
895
996
1096
1196
1296
1396
1495
1595
1696
1796
1896
1996
2096
2196
2296
2396
2496
2596
2696
2796
2896
2996
3096
3196

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
19910
29910
38920
48920
58920
68920
78920
89910
99910
109910
119910
129910
1310900
1410900
1510900
1611890
1711881
1811881
1911881
2012871
2112871
2212871
2312871
2412871
2512871
2612871
2713861
2813861
2913870
3014860
3114860

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:39 AM to 6:48 AM, and sunset from 7:35 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:397:35
212.96:397:35
312.96:397:34
412.96:407:34
512.96:407:33
612.96:407:33
712.96:417:32
812.86:417:32
912.86:417:31
1012.86:427:30
1112.86:427:30
1212.86:427:29
1312.86:437:28
1412.76:437:28
1512.76:437:27
1612.76:447:26
1712.76:447:26
1812.76:447:25
1912.76:457:24
2012.66:457:23
2112.66:457:23
2212.66:467:22
2312.66:467:21
2412.66:467:20
2512.56:467:19
2612.56:477:18
2712.56:477:18
2812.56:477:17
2912.56:477:16
3012.56:487:15
3112.46:487:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 7.3 kWh/m² in May across the year — August's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Puerto Vallarta

In seasonPeak

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

Puerto Vallarta sits in the eastern Pacific hurricane zone; the season peaks August–September.

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

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

Is August a good time to visit Puerto Vallarta?

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

3.4
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Puerto Vallarta.

What to pack for Puerto Vallarta in August

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

In August, Puerto Vallarta sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Puerto Vallarta 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 at the nearest coast (about 15 km away) is warmest in August at about 30°C and coldest in March near 24°C.

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

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb24Warm
Mar24Warm
Apr25Warm
May26Warm
Jun28Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov28Tropical
Dec26Warm

UV index in Puerto Vallarta 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 Puerto Vallarta peaks around May 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 11UV 13Dec 16UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Puerto Vallarta 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 Puerto Vallarta is worst in May — around 49 µg/m³ PM2.5 (poor), about 7.7× the cleanest month (January, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodMay 1846 µg/m³Jan 156 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr19Moderate
May49Poor
Jun28Moderate
Jul11Good
Aug9Good
Sep9Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Puerto Vallarta?

Puerto Vallarta sits at 20.6°N, 105.2°W, 21 m above sea level, in Mexico. The nearest listed city is Ixtapa, 11 km away.

Topography around Puerto Vallarta

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

Within 3 km, the terrain around Puerto Vallarta has large variations in elevation — a maximum elevation change of 635 m around an average of 84 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,878 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,708 m.

The land around Puerto Vallarta is covered by water (38%), trees (36%) and artificial surfaces (24%) within 3 km, trees (51%) and water (31%) within 16 km, and trees (57%) and water (31%) within 80 km.

3 km
635 m
16 km
1,878 m
80 km
2,708 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Ixtapa 11 km · Mezcales 14 km · San José del Valle 16 km · Bucerías 19 km · Sayulita 35 km · Compostela 77 km · El Salto 82 km · Xalisco 98 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 Puerto Vallarta (20.617°, -105.2302°, elevation 21 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).