March weather forecast and climate
Puerto Vallarta, Mexico

A beautiful view from above of the Puerto Vallarta city in Mexico
A beautiful view from above of the Puerto Vallarta city in Mexico
March, the first month of the spring, in Puerto Vallarta, is also a warm month, with average temperature fluctuating between 16.9°C (62.4°F) and 29.2°C (84.6°F).

Temperature

In Puerto Vallarta, the average high-temperature is 29.2°C (84.6°F), and the average low-temperature is 16.9°C (62.4°F).

Humidity

Months with the lowest humidity are February and March, with an average relative humidity of 65%.

Rainfall

In March, the rain falls for 0.6 days. Throughout March, 2mm (0.1") of precipitation is accumulated. In Puerto Vallarta, during the entire year, the rain falls for 71.1 days and collects up to 1392.2mm (54.8") of precipitation.

Sea temperature

February and March, with an average sea temperature of 23.9°C (75°F), are months with the coldest seawater in Puerto Vallarta, Mexico. A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.9°C (75°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Puerto Vallarta, the average length of the day in March is 12h.

Sunshine

Months with the most sunshine in Puerto Vallarta are February through May, with an average of 8h of sunshine.

UV index

In March, the average daily maximum UV index in Puerto Vallarta is 11. A UV Index value of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV rays for average individuals.
The average daily UV index of 11 in March transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in March in Puerto Vallarta?

In Puerto Vallarta, Mexico, in March, the average high-temperature is 29.2°C (84.6°F), and the average low-temperature is 16.9°C (62.4°F).

What are the least humid months in Puerto Vallarta?

Months with the lowest humidity in Puerto Vallarta, Mexico, are February and March, with an average relative humidity of 65%.

What is the average humidity in March in Puerto Vallarta?

The average relative humidity in March is 65%.

How much does it rain in Puerto Vallarta in March?

In Puerto Vallarta, during March, the rain falls for 0.6 days and regularly aggregates up to 2mm (0.1") of precipitation.

When is the sea coldest in Puerto Vallarta?

February and March, with an average sea temperature of 23.9°C (75°F), are months with the coldest seawater in Puerto Vallarta, Mexico. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.9°C (75°F) water may be enjoyable.

What is the water temperature in March in Puerto Vallarta?

In Puerto Vallarta, the average seawater temperature in March is 23.9°C (75°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.9°C (75°F).

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

In Puerto Vallarta, the average length of the day in March is 12h.

What are the months with the most sunshine in Puerto Vallarta?

February through May, with an average of 8h of sunshine, are months with the most sunshine.

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

In March, the average sunshine in Puerto Vallarta is 8h.

How high is the UV index in March in Puerto Vallarta?

In March, the average daily maximum UV index in Puerto Vallarta, Mexico, is 11. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to the Sun's UV rays.
Average temperature in March - Puerto Vallarta, Mexico
  • Average high temperature in March: 29.2°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (28.8°C).

  • Average low temperature in March: 16.9°C

The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is February (16.3°C).

Average humidity in March - Puerto Vallarta, Mexico
  • Average humidity in March: 65%

Months with the highest relative humidity are August and September (70%).
Months with the lowest relative humidity are February and March (65%).

Average rainfall in March - Puerto Vallarta, Mexico
  • Average rainfall in March: 2mm

The wettest month (with the highest rainfall) is September (370mm).
The driest month (with the lowest rainfall) is April (1.5mm).

Average rainfall days in March - Puerto Vallarta, Mexico
  • Average rainfall days in March: 0.6 days

The month with the highest number of rainy days is July (16.4 days).
The month with the lowest number of rainy days is April (0.2 days).

Average sea temperature in March - Puerto Vallarta, Mexico
  • Average sea temperature in March: 23.9°C

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

Average daylight in March / Average sunshine in March - Puerto Vallarta, Mexico
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in March: 8h

Months with most sunshine are February, March, April and May (Average sunshine: 8h).
Months with least sunshine are July, August, September and December (Average sunshine: 6).

Average UV index in March - Puerto Vallarta, Mexico
  • Average UV index in March: 11

Months with the highest UV index are April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 7).

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