July weather forecast
Puerto Vallarta, Mexico

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A picturesque city Vallarta in Mexico
A picturesque city Vallarta in Mexico

Weather in July

July observes a peak in both temperatures and humidity. Torrential downpour dominates Puerto Vallarta with the highest annual rainfall of 136mm (5.35"). Consequently, nature blooms in all its glory, adding a beautiful green hue to the cityscape. The sea temperatures climb to a breezy 29.7°C (85.5°F), stimulating water-related activities despite the escalating temperatures. The simmering heat, coupled with intermittent showers, adds a unique charm to Puerto Vallarta’s July weather.

Temperature

The transition into July in Puerto Vallarta reveals an average high-temperature of a still moderately hot 29.3°C (84.7°F), mirroring a close resemblance to June. In July, Puerto Vallarta encounters an average low-temperature of 22°C (71.6°F) during the night.

Heat index

During July, the heat index is appraised at a sweltering 36°C (96.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in July is 81%.

Rainfall

In Puerto Vallarta, in July, it is raining for 27.3 days, with typically 136mm (5.35") of accumulated precipitation. In Puerto Vallarta, during the entire year, the rain falls for 153.3 days and collects up to 735mm (28.94") of precipitation.

Sea temperature

In Puerto Vallarta, in July, the average water temperature is 29.7°C (85.5°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

The average length of the day in July in Puerto Vallarta is 13h and 14min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:45 pm. On the last day of July, sunrise is at 6:35 am and sunset at 7:39 pm CST.

Sunshine

The average sunshine in July is 8.6h.

UV index

January through November, with an average maximum UV index of 6, are months with the highest UV index in Puerto Vallarta. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! Sand and water increase UV exposure due to their reflective properties.

Frequently asked questions

How hot does it get in Puerto Vallarta in July?

July temperatures in Puerto Vallarta, Mexico, vary between a high-temperature of 29.3°C (84.7°F) and a low-temperature of 22°C (71.6°F). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 36°C (96.8°F).

What is the average humidity in July in Puerto Vallarta?

In July, the average relative humidity in Puerto Vallarta, Mexico, is 81%.

How many days does it rain in July in Puerto Vallarta?

In Puerto Vallarta, during July, the rain falls for 27.3 days and regularly aggregates up to 136mm (5.35") of precipitation.

What is the sea water temperature in July in Puerto Vallarta?

In July, the average sea temperature is 29.7°C (85.5°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in July in Puerto Vallarta?

In July, the average day length in Puerto Vallarta, Mexico, is 13h and 14min.

When are sunrise and sunset in July in Puerto Vallarta?

On the first day of July, sunrise is at 6:24 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:39 pm CST.

How many hours of sunshine does Puerto Vallarta have in July?

The average sunshine duration in July is 8.6h.

What is the month with the highest UV index in Puerto Vallarta?

The months with the highest UV index are January through November, with an average maximum UV index of 6.

What is the UV index reading in July in Puerto Vallarta?

In Puerto Vallarta, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in July
Puerto Vallarta, Mexico

Average temperature in July - Puerto Vallarta, Mexico
  • Average high temperature in July: 29.3°C

The warmest month (with the highest average high temperature) is May (30.4°C).
The month with the lowest average high temperature is January (26.3°C).

  • Average low temperature in July: 22°C

The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is February (16.4°C).

Average pressure in July
Puerto Vallarta, Mexico

Average pressure in July - Puerto Vallarta, Mexico
  • Average pressure in July: 1012.5mbar

The month with the highest atmospheric pressure is January (1014.7mbar).
The month with the lowest atmospheric pressure is September (1010.9mbar).

Average wind speed in July
Puerto Vallarta, Mexico

Average wind speed in July - Puerto Vallarta, Mexico
  • Average wind speed in July: 5.6km/h

The windiest month (with the highest average wind speed) is March (7km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

Average humidity in July
Puerto Vallarta, Mexico

Average humidity in July - Puerto Vallarta, Mexico
  • Average humidity in July: 81%

The months with the highest relative humidity are August and September (84%).
The months with the lowest relative humidity are March and April (60%).

Average rainfall in July
Puerto Vallarta, Mexico

Average rainfall in July - Puerto Vallarta, Mexico
  • Average rainfall in July: 136mm

The wettest month (with the highest rainfall) is August (167mm).
The driest month (with the least rainfall) is April (1mm).

Average rainfall days in July
Puerto Vallarta, Mexico

Average rainfall days in July - Puerto Vallarta, Mexico
  • Average rainfall days in July: 27.3 days

The month with the highest number of rainy days is August (27.7 days).
The month with the least rainy days is April (2.1 days).

Average sea temperature in July
Puerto Vallarta, Mexico

Average sea temperature in July - Puerto Vallarta, Mexico
  • Average sea temperature in July: 29.7°C

The best months for swimming (with the highest average sea temperature) are August and September (30.3°C).
The coldest months (with the lowest average sea temperature) are February and March (23.9°C).

Average daylight in July /
Average sunshine in July
Puerto Vallarta, Mexico

Average daylight in July / Average sunshine in July - Puerto Vallarta, Mexico
  • Average daylight in July: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in July: 8h and 4min

The month with the most sunshine is May (Average sunshine: 9h and 48min).
The months with the least sunshine are August and September (Average sunshine: 8h and 24min).

Average sunshine days in July
Puerto Vallarta, Mexico

Average sunshine days in July - Puerto Vallarta, Mexico
  • Average sunshine days in July: 2.8 days

The month with the most sunshine days is April (28.1 days).
The month with the least sunshine days is August (2.7 days).

Average UV index in July
Puerto Vallarta, Mexico

Average UV index in July - Puerto Vallarta, Mexico
  • Average UV index in July: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and November (UV index 6).
The month with the lowest UV index is December (UV index 5).

Average cloud cover in July
Puerto Vallarta, Mexico

Average cloud cover in July - Puerto Vallarta, Mexico
  • Average cloud cover in July: 41

The month with the most cloud cover is August (Cloud cover 43).
The months with the least cloud cover are March and May (Cloud cover 10).

Average visibility in July
Puerto Vallarta, Mexico

Average visibility in July - Puerto Vallarta, Mexico
  • Average visibility in July: 9km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

Puerto Vallarta, Mexico

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