June is the hottest month in Puerto Vallarta, with an average temperature of 27° C (81° F). The coldest month is January, with an average temperature of 22° C (72° F). The wettest month is September, with an average of 358mm of rain. The hot season lasts 4.5 months, from June 9 to October 26, with an average daily high temperature above 88° F.
The highest number of daily sunshine hours is in May, with 12 hours. Puerto Vallarta has a typical tropical climate, with almost constant temperature and humidity throughout the year. The rainy season runs from June to mid-October, with virtually no precipitation the rest of the year. Even during the rainy season, rain normally falls in short gusts, most of the time at night, and most days are hot and dry.
The hottest month of the year in Puerto Vallarta is July, with an average high of 90°F and a low of 76°F. Winter temperatures in Puerto Vallarta are quite comfortable, with daily highs of 79 degrees Fahrenheit (26 °C) and low temperatures of 55 °F (13 °C). Summers are several degrees higher, as days tend to warm up to 86°F (30°C) and nights cool to 69°F (21°C). April is a very warm month, and there are some days at the end of the month that are very hot.
Fishing tours and trips are rarely affected by the weather in Puerto Vallarta, it's very rare. Wear very light clothing during this period as it is hotter than the previous one; there is usually some wind, a little less than in March, so skirts can be uncomfortable, especially short and light skirts. The climate in Puerto Vallarta is warm and humid most of the year, with temperatures ranging from winter lows of 16°C to summer highs of 33°C. Late July and early August are the hottest times of the year, while January is the coolest.
March to May are the driest and sunniest months. Late August and early September are the rainiest and most cloudy. Ocean surface temperatures are highest in August and lowest in March. The windiest month of the year in Puerto Vallarta is April, with an average hourly wind speed of 6.8 miles per hour. So when in doubt, take advantage of webcams in Puerto Vallarta and check the weather in real time.
The highest temperature often exceeds 33° C and rains for half the days of the month, but mostly during the afternoons and at night, so it tends to be even pleasant as temperatures drop a little and help make going out and nightlife more fun. The estimated value in Puerto Vallarta is calculated as the weighted average of the individual contributions of each station, with weights proportional to the inverse of the distance between Puerto Vallarta and a given station. To show what is possible, here is the total rainfall range measured: the driest and wettest per month. The warmer water time of year lasts 4.1 months, from June 30 to November 3, with an average temperature above 84° F. The cold season lasts 3.8 months, from December 12 to April 4, with an average daily high temperature below 82° F. The month with the most rainy days in Puerto Vallarta alone is August, with an average of 24.6 days.
January is one of the coldest months of the year but it's still quite mild and warm for anyone living in higher latitudes. The month with the least humid days in Puerto Vallarta is April, with an average of 0.4 days with at least 0.04 inches of precipitation. Puerto Vallarta's lower ocean temperature attracts humpback whales, their newborns and whale sharks but the water is still very suitable for swimming and surfing. Based on this score, the best time of year to visit Puerto Vallarta for warm-weather activities is from late April to early June, with a maximum score in the third week of May. Before you go down to Puerto Vallarta make sure you buy a pair of Maui Jim sunglasses and some sunscreen.