January weather - Winter 2025 - Puerto Vallarta, Mexico

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average sea temperature in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

A picturesque city Vallarta in Mexico

Weather in January

January, in Puerto Vallarta, Mexico, ushers in the new year with relatively cooler temperatures. This month experiences a decrease in humidity relative from 66% to 60%. Despite the presence of some cooler days, the city doesn’t completely rid itself of the season's slightly chilly aura. Visitors and locals alike can expect the mercury to range between a moderate 16.6°C (61.9°F) to 26.3°C (79.3°F). Based on Puerto Vallarta’s historical weather data, the amount of sunlight received daily decreases, making January days shorter.

Temperature

The coldest month is January, with an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 16.6°C (61.9°F).

Humidity

In January, the average relative humidity in Puerto Vallarta is 66%.

Rainfall

In January, in Puerto Vallarta, Mexico, the rain falls for 5.6 days. Throughout January, 21mm (0.83") of precipitation is accumulated. In Puerto Vallarta, Mexico, during the entire year, the rain falls for 153.3 days and collects up to 735mm (28.94") of precipitation.

Sea temperature

In January, the average sea temperature is 24.4°C (75.9°F).
Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 24.4°C (75.9°F) waters. For reference, Olympians swim in waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

In Puerto Vallarta, the average length of the day in January is 11h and 3min.
On the first day of January in Puerto Vallarta, sunrise is at 7:37 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:51 pm CST.

Sunshine

The average sunshine in January in Puerto Vallarta is 9.6h.

UV index

The months with the highest UV index are January through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.

Updated: Feb 8, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the coldest months in Puerto Vallarta?

January proves to be the coldest month, recording an average maximum temperature of 26.3°C (79.3°F) and a minimum temperature of 16.6°C (61.9°F).

What is the average January temperature in Puerto Vallarta?

The high-temperature during January is 26.3°C (79.3°F) and the low-temperature is 16.6°C (61.9°F).

What is the average humidity in January in Puerto Vallarta?

The average relative humidity in January in Puerto Vallarta is 66%.

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

In Puerto Vallarta, Mexico, in January, during 5.6 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

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?

The average day length in January in Puerto Vallarta is 11h and 3min.

When is the sunrise / sunset in January in Puerto Vallarta?

In January, on the first day of the month, sunrise is at 7:37 am and sunset at 6:31 pm. On the last day of the month, in Puerto Vallarta, sunrise is at 7:37 am and sunset at 6:51 pm CST.

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

In January, the average sunshine duration in Puerto Vallarta, Mexico, is 9.6h.

When is the highest UV index in Puerto Vallarta?

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

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

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

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

26.4°C 79.5°F

26.3°C 79.3°F

26.4°C 79.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.2km/h 4.5mph

7.5km/h 4.7mph

7.8km/h 4.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

6.5

5.6

3.9

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

22.2

23.3

23.1

Average UV index

Average cloud cover

13%

14%

Average visibility

10km 6.2mi

Average temperature in January
Puerto Vallarta, Mexico

Average high temperature in January: 26.3°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 January: 16.6°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 January
Puerto Vallarta, Mexico

Average pressure in January: 1014.7mbar

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 January
Puerto Vallarta, Mexico

Average wind speed in January: 6.7km/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 January
Puerto Vallarta, Mexico

Average humidity in January: 66%

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 January
Puerto Vallarta, Mexico

Average rainfall in January: 21mm

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

Average rainfall days in January
Puerto Vallarta, Mexico

Average rainfall days in January: 5.6 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 January
Puerto Vallarta, Mexico

Average sea temperature in January: 24.4°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 January /
Average sunshine in January
Puerto Vallarta, Mexico

Average daylight in January: 11h and 0min

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 January: 9h 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 January
Puerto Vallarta, Mexico

Average sunshine days in January: 23.3 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 January
Puerto Vallarta, Mexico

Average UV index in January: 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 January
Puerto Vallarta, Mexico

Average cloud cover in January: 14

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 January
Puerto Vallarta, Mexico

Average visibility in January: 10km

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).

January weather forecast
Puerto Vallarta, Mexico

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