Puerto Vallarta
Mexico
Long-term weather forecast
Long-term weather forecast

January 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
January, the same as December, is another warm winter month in Puerto Vallarta, Mexico, with average temperature ranging between max 28.8°C (83.8°F) and min 16.7°C (62.1°F).

Temperature

January is the coldest month, with an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 16.7°C (62.1°F).

Heat index

In January, the average heat index is evaluated at a hot 31.8°C (89.2°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, wind, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Puerto Vallarta, the average relative humidity in January is 67%.

Rainfall

In Puerto Vallarta, it is raining for 2.2 days, with typically 33.8mm (1.3") of accumulated precipitation. In Puerto Vallarta, Mexico, during the entire year, the rain falls for 71.1 days and collects up to 1392.2mm (54.8") of precipitation.

Sea temperature

In January, the average sea temperature is 24.4°C (75.9°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.4°C (75.9°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 January is 11h.

Sunshine

The average sunshine in Puerto Vallarta is 7h.

UV index

January and December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the coldest month in Puerto Vallarta?

January is the coldest month in Puerto Vallarta, with an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 16.7°C (62.1°F).

What is the temperature in January in Puerto Vallarta?

The average high-temperature, in January, in Puerto Vallarta, is 28.8°C (83.8°F), while the average low-temperature is 16.7°C (62.1°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, in January is appraised at 31.8°C (89.2°F).

What is the average humidity in January in Puerto Vallarta?

In January, the average relative humidity in Puerto Vallarta is 67%.

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

In Puerto Vallarta, during January, the rain falls for 2.2 days and regularly aggregates up to 33.8mm (1.3") of precipitation.

How warm is the water in January in Puerto Vallarta?

In Puerto Vallarta, in January, the average water temperature is 24.4°C (75.9°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.4°C (75.9°F) water may be enjoyable.

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

In January, the average length of the day is 11h.

How long on average sun shines in January in Puerto Vallarta?

In Puerto Vallarta, Mexico, the average sunshine in January is 7h.

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

January and December, with an average maximum UV index of 7, are months with the lowest UV index in Puerto Vallarta, Mexico.

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

In January, the average daily maximum UV index in Puerto Vallarta, Mexico, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Puerto Vallarta, Mexico
  • Average high temperature in January: 28.8°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 January: 16.7°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 January - Puerto Vallarta, Mexico
  • Average humidity in January: 67%

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 January - Puerto Vallarta, Mexico
  • Average rainfall in January: 33.8mm

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 January - Puerto Vallarta, Mexico
  • Average rainfall days in January: 2.2 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 January - Puerto Vallarta, Mexico
  • Average sea temperature in January: 24.4°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 January / Average sunshine in January - Puerto Vallarta, Mexico
  • Average daylight in January: 11h

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 January: 7h

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 January - Puerto Vallarta, Mexico
  • Average UV index in January: 7

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).