May weather forecastGuanajuato, Mexico

Weather in May

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

May is the warmest month, exhibiting average temperatures of 28.2°C (82.8°F) at the peak and 14.3°C (57.7°F) at the base.

Heat index

May's heat index is appraised at 28°C (82.4°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Guanajuato, the average relative humidity in May is 43%.

Rainfall

In Guanajuato, in May, it is raining for 11.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 116.2 rainfall days, and 425mm (16.73") of precipitation is accumulated.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index are April and May, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.