May weather forecast
Guanajuato, Mexico

The city of Guanajuato starts to experience a significant shift in weather as May approaches. The month's maximum average temperature hits an annual high of 28.2°C (82.8°F). Consequently, the rainfall in May also sees a stark increase up to 30mm (1.18"), signifying the beginning of the rainy season. It is advisable to carry appropriate rainwear and umbrellas to navigate seamlessly through the city's colonial alleyways during surprise showers. While the rains might seem to be a dampener, they also lend an enchanting flair to the vibrant panorama of Guanajuato.

Temperature

In Guanajuato, Mexico, the average temperatures in May are the highest, with a peak at 28.2°C (82.8°F) and a low of 14.3°C (57.7°F).

Heat index

The heat index in May is calculated to be 28°C (82.4°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in May in Guanajuato, Mexico, is 43%.

Rainfall

In Guanajuato, Mexico, in May, during 11.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Guanajuato, during the entire year, the rain falls for 116.2 days and collects up to 425mm (16.73") of precipitation.

Daylight

In Guanajuato, the average length of the day in May is 13h and 9min.
On the first day of May in Guanajuato, sunrise is at 6:13 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:22 pm CST.

Sunshine

The months with the most sunshine in Guanajuato are January, May and December, with an average of 9.8h of sunshine.

UV index

April and May, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 6 in May translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.