Puerto Vallarta is known for its tropical climate, with almost constant temperature and humidity throughout the year. On average, September is the wettest month with 372.0 mm (14.65 inches) of precipitation. The summer weather here is considerably more humid, with an average rainfall of 18 days per month and a total of 323 mm (13 inches). The rainy season of the year lasts 9.0 months, from May 18 to February 20, with a 31-day sliding rain of at least 0.5 inches.
The rainiest month in Puerto Vallarta is August, with an average rainfall of 9.9 inches. The wind usually comes from the west for 4.1 months, from May 17 to September 19, with a maximum percentage of 53% on June 11. The most embarrassing period of the year lasts 8.3 months, from April 9 to December 19, during which time the comfort level is embarrassing, oppressive or miserable at least 51% of the time. From July to October, Puerto Vallarta's weather has regular rains most afternoons, ranging from calm showers to thunderstorms. The dry spells in Puerto Vallarta occur in February, March, April, May, November and December. Even in the rainy season, rain normally falls in short gusts, most of the time at night, and most days are hot and dry. Tours and fishing trips are rarely affected by the weather in Puerto Vallarta, it's very rare. The temperatures in Puerto Vallarta are warm enough throughout the year that it's not entirely meaningful to talk about the growing season in these terms.
The warmer water time of year lasts 4.1 months, from June 30 to November 3, with an average temperature above 84° F.The area within 2 miles of Puerto Vallarta is covered by water (33%), trees (29%), artificial surfaces (17%) and farmland (17%), within 10 miles by trees (48%) and water (31%), and within 50 miles by trees (45%) and water (35%). For each station, the records are corrected for the difference in elevation between that station and Puerto Vallarta according to the International Standard Atmosphere, and for the relative change present in the reanalysis of the MERRA-2 satellite era between the two locations. Traveling to Puerto Vallarta during the rainy season is also the best option for those looking for travel deals. Based on this score, the best time of year to visit Puerto Vallarta for general outdoor tourism activities is from late November to early May, with a maximum score in the first week of March. Some may wonder what the rainy season is in Puerto Vallarta, but don't consider all the new adventures it brings - many airlines and resorts offer their best deals of the year from July to October. The month with the fewest embarrassment days in Puerto Vallarta is February, with 10.2 days of embarrassment or worse.
Thunderstorms can be exciting to watch from a dry spot - some visitors consider them as impressive as Puerto Vallarta's legendary sunsets. Outdoor enthusiasts love the fresh life that springs up during late summer - buy a pair of Maui Jim sunglasses and some sunscreen before you go down! Even though some might be discouraged from visiting Puerto Vallarta during its rainy season, it's still worth considering all its advantages.