August Weather in Puerto Vallarta, Mexico

Last updated: April 22, 2025

In August, Puerto Vallarta presents a tropical climate that entices with warm temperatures, featuring a maximum of 30°C (86°F) and an average of 25°C (77°F). Visitors can expect balmy nights with a minimum temperature around 21°C (70°F). However, this is also the wettest month of the year, with 415 mm (16.4 in) of rainfall spread across the complete 30 days, contributing to the region's lush greenery. Humidity levels soar to 78%, intensifying the summer experience. Those adventuring to this vibrant coastal city should be prepared for both sun-soaked days and refreshing rain showers, making August a unique blend of heat and hydration in this beautiful Mexican paradise.

August Temperature in Puerto Vallarta

In August, Puerto Vallarta experiences warm and inviting temperatures, with minimums hovering around 21°C (70°F) and averages of 25°C (77°F), making it an ideal month for beach lovers. The maximum temperatures reach a comfortable 30°C (86°F), consistent with the summer heat, yet slightly milder than the peak July temperatures. As summer transitions into early fall, the weather remains tantalizing, encouraging outdoor activities and relaxation under the sun. Overall, August presents a beautiful blend of warmth that perfectly captures the essence of Puerto Vallarta's tropical charm.

August Weather in Puerto Vallarta: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Puerto Vallarta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec696971727576777776767370
Data source: Temperature data for Puerto Vallarta generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Puerto Vallarta

In August, Puerto Vallarta experiences its peak rainfall, tallying an impressive 415 mm (16.4 in) of precipitation over 30 days. This contrasts sharply with the drier start of the year, where monthly totals in January and February were merely 28 mm and 33 mm, respectively. The transition into the rainy season is evident, as heavier rains begin in June with 179 mm and escalate to a staggering amount in August, making it the wettest month of the year. Following August, rainfall remains substantial in September at 360 mm, but there’s a noticeable decline by October, when the precipitation drops to 220 mm. This pattern signifies a clear shift from the intense summer monsoons to a more manageable fall weather, marking the cyclical nature of Puerto Vallarta's tropical climate.

August Precipitation Trends in Puerto Vallarta

The chart displays monthly precipitation patterns in Puerto Vallarta, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec28331191792624153602203524
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Puerto Vallarta

August in Puerto Vallarta, Mexico, brings a substantial level of humidity, averaging around 78%. This marks a slight dip from the peak levels of July, which boasts a high of 79%, yet it remains consistently high, equal to September. A noticeable trend emerges as the region's humidity tends to rise during the summer months, starting from 66% in April and climbing steadily through June and July. Following August, the humidity begins to decrease into the fall months, tapering to 75% in October. This consistent humidity, particularly in late summer, contributes to the region's lush landscapes and vibrant atmosphere, making it a tropical haven for visitors.

August Average Humidity in Puerto Vallarta

This chart illustrates the average monthly humidity levels in Puerto Vallarta, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Puerto Vallarta

In August, Puerto Vallarta experiences an extreme UV Index of 13, maintaining the trend set by the previous months of June and July. With a rapid burn time of just 10 minutes, sun exposure during this period can be intense, echoing the extreme levels seen since March. This consistency highlights the importance of sun safety, as the region's UV levels remain high and pose significant risks for those unprepared. As summer winds down, tourists and locals alike should take extra precautions to protect their skin. For more detailed information, check out the Puerto Vallarta UV Index to stay informed and enjoy the sun safely!

Maximum UV Index Levels in Puerto Vallarta for August

The chart shows the monthly maximum UV Index (UVI) for Puerto Vallarta in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810131413141313131297
Data source: Puerto Vallarta August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Puerto Vallarta

August in Puerto Vallarta offers a delightful embrace of sunshine, boasting 277 hours of bright rays that illuminate the stunning coastline. As the summer reaches its peak, this month reflects a slight dip in sunshine compared to the vibrant June and May, each exceeding 300 hours. Interestingly, the sunshine trend remains consistent throughout the summer months, showcasing the region's warm charm. While August may not shine the brightest, it still captures the essence of summer in Puerto Vallarta, where golden views and sun-soaked days create an inviting backdrop for relaxation and adventure. As autumn approaches, the sunshine gradually transitions into the milder hours of September, yet August still stands as a reminder of summer’s lingering warmth.

Monthly Sunshine Duration in Puerto Vallarta: August Highlighted

The August sunshine duration represents the total number of hours Puerto Vallarta experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec229h262h319h327h348h304h308h277h257h276h285h279h
Data source: Puerto Vallarta August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Vallarta During August

When considering a trip to Puerto Vallarta in August, it's essential to note that the likelihood of sunny weather takes a notable dip, with only a 13% chance of sunshine. This decline follows a pattern seen throughout the summer months, where June and July also exhibit low probabilities of clear skies at 22% and 20%, respectively. In stark contrast, the months leading up to summer, particularly March with a 79% chance of sun, highlight a significant transition to less favorable weather as the region moves into the rainy season. Travelers looking to bask in the sun should plan their visits for earlier months such as February and March, when the sun's rays are much more reliable in this idyllic coastal paradise.

Percentage of Sunny Days in August in Puerto Vallarta

The chart illustrates the percentage of sunny days in Puerto Vallarta throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Puerto Vallarta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%67%79%68%72%22%20%13%19%36%55%60%
Data source: Puerto Vallarta August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Vallarta in August

In August, Puerto Vallarta enjoys about 12 hours of daylight, a time when summer's warm embrace begins its gentle transition towards the end of the season. After peaking at 13 hours in the earlier months of June and July, the daylight slightly recedes, hinting at the forthcoming fall. This gradual shift reflects a broader trend where the daylight duration steadily increases from the short winter days of 10 hours in December to the vibrant mid-summer. As summer wanes, August maintains a balance between brightness and warmth, offering residents and visitors alike ample time to explore the stunning landscapes and cultural richness of this coastal paradise.

Average Daylight Hours in Puerto Vallarta for August

The chart illustrates the variation in daylight duration in Puerto Vallarta throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 1m11h 27m12h 2m12h 37m13h 6m13h 20m13h 13m12h 47m12h 13m11h 38m11h 8m10h 53m
Data source: Puerto Vallarta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Puerto Vallarta

As August rolls into Puerto Vallarta, the delightful breeze continues to gently sweep through the coastal paradise. With an average wind speed of 1.4 m/s (3 mph), August experiences a subtle dip compared to the earlier months, showcasing a trend of gradually decreasing winds throughout the summer. While July sees the lowest breezes at 1.3 m/s, August offers a slight uptick, hinting at the transitional nature of the season. This gentle wind, coupled with the warm sun, creates a perfect atmosphere for both relaxation and adventure, inviting visitors to savor the serene beauty of this tropical haven. As the summer fades into fall, the winds remain a soft whisper, ideal for leisurely strolls along the beach or peaceful afternoons spent at seaside cafés.

Average August Wind Speed in Puerto Vallarta

The chart displays monthly wind speed patterns in Puerto Vallarta, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.91.71.71.61.31.4 m/s1.21.41.51.6
Data source: Puerto Vallarta August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Puerto Vallarta Compares to Other Months

The weather in Puerto Vallarta changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Puerto Vallarta and find detailed weather information for every month.

August and January present noticeably different weather patterns. In August, temperatures range from a minimum of 21°C (70°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F), making it a warm and humid month with high humidity at 78%. This month also sees significant rainfall, receiving 415 mm (16.4 in) over 30 days. In contrast, January offers cooler weather, with temperatures varying from a minimum of 10°C (51°F) to a maximum of 28°C (83°F), averaging 20°C (69°F). Rainfall is significantly lower in January, with only 28 mm (1.1 in) over just three days and humidity levels at 71%. For more details, check out Puerto Vallarta weather in January.

August and February showcase distinctly different weather patterns in Puerto Vallarta. August is marked by higher temperatures, with a minimum of 21°C (70°F) and an average of 25°C (77°F), reaching up to 30°C (86°F). However, this warmth comes with significant precipitation, totaling 415 mm (16.4 in) over 30 days, and a humidity level of 78%. In contrast, February offers milder conditions, with minimum temperatures dipping to 11°C (53°F) and an average of 21°C (69°F), peaking at 29°C (84°F). Rain is scarce in February, with only 33 mm (1.3 in) falling over just 2 days, and humidity levels are lower at 69%. For those looking to plan their travel, Puerto Vallarta weather in February provides additional insights into the experience during this cooler month.

August and March present contrasting weather patterns. August is characterized by warm temperatures, with an average of 25°C (77°F) and maximums reaching up to 30°C (86°F), but it also brings significant rainfall, totaling 415 mm (16.4 in) over 30 days, along with high humidity at 78%. In contrast, March offers cooler conditions, with minimum temperatures around 13°C (56°F) and an average of 22°C (71°F), peaking at the same 30°C (86°F) but without the burden of precipitation, as it records only 1 mm (0.0 in) over 0 rainy days and lower humidity at 67%. For more detailed information, you can visit Puerto Vallarta weather in March.

When comparing the weather in August and April, notable differences emerge. August experiences a warmer temperature range with minimums around 21°C (70°F) and maximums reaching up to 30°C (86°F), while April has cooler mornings with lows of 14°C (58°F) and similar maxima of 30°C (87°F). Additionally, August is characterized by significant rainfall, averaging 415 mm (16.4 in) over 30 days, contributing to a high humidity of 78%. In contrast, April enjoys a dry climate with nearly no precipitation, maintaining a lower humidity level of 66%. For a closer look at what to expect in April, visit Puerto Vallarta weather in April.

The weather in August and May differs significantly, particularly in temperature and precipitation. In August, the minimum temperature hovers at 21°C (70°F), with an average of 25°C (77°F) and a maximum reaching 30°C (86°F). However, this month is marked by high humidity levels at 78% and substantial rainfall, accumulating 415 mm (16.4 in) across 30 days, making it quite wet. In contrast, May offers a slightly cooler climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (88°F) and an average of 24°C (75°F). May experiences minimal rainfall, with only 8 mm (0.3 in) falling over just 1 day, and lower humidity at 69%. For a detailed look at May's weather, you can check Puerto Vallarta weather in May.

In comparing the weather conditions of August and June, both months exhibit similar average temperatures, with June averaging 25°C (77°F) and August maintaining the same average. However, August tends to be warmer overall, with a higher maximum temperature of 30°C (86°F) compared to June's peak of 31°C (88°F). Precipitation levels are notably higher in August, with 415 mm (16.4 in) recorded over 30 days, while June experiences significantly less rain at 179 mm (7.0 in) over 15 days. Interestingly, humidity remains constant at 78% for both months, which contributes to the overall tropical feel. To explore more about June’s weather specifics, you can check Puerto Vallarta weather in June.

When comparing the weather of August to July, both months exhibit similar temperature ranges, with minimums around 21°C (70°F), average temperatures of 25°C (77°F), and maximums peaking at 30°C (86°F) for August and 30°C (87°F) for July. However, August experiences significantly higher precipitation with 415 mm (16.4 in) over 30 days, compared to July's 262 mm (10.3 in) across 29 days. This results in a slightly drier atmosphere in July, despite a slightly higher humidity level of 79% compared to August's 78%. For more detailed insights, you can check Puerto Vallarta weather in July.

In comparing the weather between August and September, both months demonstrate similar temperature patterns, with minimums around 21°C (70°F) and maximums reaching 30°C (86°F). August features an average temperature of 25°C (77°F), slightly warmer than September’s average of 24°C (76°F). While August sees a higher total precipitation of 415 mm (16.4 in) over 30 days, September experiences a reduction in rainfall to 360 mm (14.2 in) over 29 days, resulting in a marginally drier atmosphere. Humidity remains consistent at 78% for both months, contributing to the tropical feel typical of this region. For a detailed look at the weather patterns in September, you can visit Puerto Vallarta weather in September.

August and October in Puerto Vallarta present distinct weather patterns that highlight the transition from summer to fall. In August, the temperatures range from a minimum of 21°C (70°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F). This month is characterized by high precipitation of 415 mm (16.4 in) over 30 days, along with humidity levels reaching 78%.

In contrast, October offers slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 24°C (76°F), and a maximum peaking at 31°C (89°F). The precipitation decreases significantly to 220 mm (8.7 in) across 23 days, and humidity drops slightly to 75%. This change in weather conditions makes October a more comfortable time to visit, despite a warmer maximum temperature. For more details about the conditions in October, check out Puerto Vallarta weather in October.

August and November exhibit distinct weather patterns, highlighting the transition from summer to fall. In August, temperatures range from a minimum of 21°C (70°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F). This month is characterized by significantly high precipitation levels, totaling 415 mm (16.4 in) over 30 days and a humidity of 78%. In contrast, November sees a decrease in humidity and rainfall, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 30°C (86°F) and an average of 23°C (74°F). The precipitation drops sharply to 35 mm (1.4 in) over just 7 days, making it a drier month overall. For more details on weather conditions in November, you can check Puerto Vallarta weather in November.

In August, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 30°C (86°F), and an average of 25°C (77°F). This month sees significant rainfall, with 415 mm (16.4 in) of precipitation spread over 30 days, resulting in a humidity level of 78%. In contrast, December offers a much cooler climate, featuring temperatures that range from a low of 13°C (57°F) to a high of 29°C (85°F), with an average temperature of 21°C (70°F). Precipitation drops drastically to just 24 mm (0.9 in) over 3 days, and humidity levels are slightly lower at 74%. For more information about weather conditions during this month, you can explore Puerto Vallarta weather in December.

Compare Puerto Vallarta's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Puerto Vallarta

August in Puerto Vallarta showcases a distinctively humid and wet climate, marked by frequent rainfall and warm temperatures. As summer peaks, you can expect higher humidity levels that create a muggy atmosphere, setting it apart from the drier months that precede it. While daytime temperatures remain pleasantly warm, the increased precipitation can lead to daily showers, making it a dynamic time to experience the lush, vibrant landscape. For those who enjoy a tropical ambiance, August offers a unique charm to explore, but be prepared with the right gear! To learn more about what to expect throughout the year, check out Puerto Vallarta Climate.