May weather forecast
San José Chiltepec, Mexico

The last month of the spring, May, is another very hot month in San José Chiltepec, Mexico, with an average temperature varying between 23.3°C (73.9°F) and 36°C (96.8°F).

Temperature

May is the month when San José Chiltepec's temperatures reach their peak, with averages of 36°C (96.8°F) and lows of 23.3°C (73.9°F).

Heat index

The heat index for May is evaluated at a life-threatening hot 50°C (122°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
Note that heat index values are valued for light wind and location in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

With an average relative humidity of 63%, May is the least humid month in San José Chiltepec.

Rainfall

In San José Chiltepec, in May, it is raining for 14.3 days, with typically 56mm (2.2") of accumulated precipitation. In San José Chiltepec, during the entire year, the rain falls for 209 days and collects up to 998mm (39.29") of precipitation.

Daylight

In May, the average length of the day in San José Chiltepec is 12h and 59min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:45 pm. On the last day of May, in San José Chiltepec, sunrise is at 5:48 am and sunset at 6:56 pm CST.

Sunshine

May has the most sunshine of the year in San José Chiltepec, with an average of 11h of sunshine.

UV index

March through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the UV index of 7 transforms into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.