This report describes the typical weather at the Lic. Gustavo Díaz Ordaz International Airport (Puerto Vallarta, Mexico) weather station over the course of an average year. It is based on the historical records from 1990 to 2012. Earlier records are either unavailable or unreliable.
Puerto Vallarta has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by forests (67%), oceans and seas (27%), and grasslands (6%).
Over the course of a year, the temperature typically varies from 61°F to 91°F and is rarely below 57°F or above 93°F.
The warm season lasts from June 14 to October 26 with an average daily high temperature above 89°F. The hottest day of the year is August 1, with an average high of 91°F and low of 76°F.
The cold season lasts from December 12 to April 15 with an average daily high temperature below 82°F. The coldest day of the year is January 16, with an average low of 61°F and high of 80°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 10:53 hours of daylight; the longest day is June 20 with 13:23 hours of daylight.
The earliest sunrise is at 6:54am on March 31 and the latest sunset is at 8:46pm on July 4. The latest sunrise is at 8:02am on October 27 and the earliest sunset is at 6:19pm on November 27.
Daylight saving time (DST) is observed in this location during 2012, starting in the spring on April 1 and ending in the fall on October 28.
The median cloud cover ranges from 20% (mostly clear) to 92% (mostly cloudy). The sky is cloudiest on August 2 and clearest on November 25. The clearer part of the year begins around October 17. The cloudier part of the year begins around May 30.
On November 25, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 53% of the time, and overcast or mostly cloudy 19% of the time.
On August 2, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 59% of the time, and clear or mostly clear 4% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around August 24, occurring in 75% of days. Precipitation is least likely around April 15, occurring in 3% of days.
Over the entire year, the most common forms of precipitation are thunderstorms, light rain, and moderate rain.
Thunderstorms are the most severe precipitation observed during 54% of those days with precipitation. They are most likely around August 29, when it is observed during 50% of all days.
Light rain is the most severe precipitation observed during 26% of those days with precipitation. It is most likely around August 22, when it is observed during 18% of all days.
Moderate rain is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around July 7, when it is observed during 8% of all days.
During the warm season, which lasts from June 14 to October 26, there is a 60% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of thunderstorms (61% of days with precipitation have at worst thunderstorms), light rain (23%), and moderate rain (11%).
During the cold season, which lasts from December 12 to April 15, there is a 6% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (57% of days with precipitation have at worst light rain), drizzle (18%), moderate rain (16%), and thunderstorms (8%).
Either snow is exceptionally unlikely to fall at any time during the year at this location or this station does not reliably report precipitation types.
The relative humidity typically ranges from 55% (mildly humid) to 96% (very humid) over the course of the year, rarely dropping below 44% (comfortable) and reaching as high as 100% (very humid).
The air is driest around November 30, at which time the relative humidity drops below 60% (mildly humid) three days out of four; it is most humid around September 7, exceeding 94% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a year, the dew point typically varies from 57°F (comfortable) to 79°F (oppressive) and is rarely below 51°F (very comfortable) or above 81°F (very oppressive).
Over the course of the year typical wind speeds vary from 0 mph to 16 mph (calm to moderate breeze), rarely exceeding 23 mph (fresh breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around June 16, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around January 1, at which time the average daily maximum wind speed is 11 mph (gentle breeze).