July weather forecast
Chumatlan, Mexico

July, like June, is another tropical summer month in Chumatlan, Mexico, with temperature in the range of an average high of 31.8°C (89.2°F) and an average low of 22.2°C (72°F).

Temperature

July's arrival brings an average high-temperature of a still tropical 31.8°C (89.2°F), slightly deviating from June's 32°C (89.6°F). In July, the average low-temperature records at a pleasant 22.2°C (72°F) during the nights.

Heat index

The average heat index in July is evaluated at an extremely hot 43°C (109.4°F). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in July in Chumatlan is 79%.

Rainfall

In Chumatlan, Mexico, in July, during 22.3 rainfall days, 95mm (3.74") of precipitation is typically accumulated. Throughout the year, there are 196.2 rainfall days, and 978mm (38.5") of precipitation is accumulated.

Daylight

In July, the average length of the day in Chumatlan is 13h and 13min.
On the first day of July in Chumatlan, sunrise is at 5:54 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:08 pm CST.

Sunshine

In Chumatlan, the average sunshine in July is 9.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during July leads to these advisories:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.