July weather forecast
Merida, Mexico

July maintains the similar weather pattern as June. The humidity and the temperature remains almost stable but it’s the rainfall which lessens to an average of 59mm (2.32") compared to June. Persistent showers coupled with high temperatures might keep the tourists away. Nonetheless, the warmth of Merida in July can be enjoyed by those who like tropical climates.

Temperature

The average high-temperature during July registers at a sweltering 35°C (95°F), closely corresponding to the preceding month. An average nighttime temperature of 23.7°C (74.7°F) is observed in Merida during July.

Heat index

The heat index value for July is estimated at a life-threatening hot 52°C (125.6°F). Remain cautious: Heat cramps along with heat exhaustion are foreseeable. Ongoing activity may precipitate heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In July, the average relative humidity is 72%.

Rainfall

In Merida, in July, it is raining for 16.4 days, with typically 59mm (2.32") of accumulated precipitation. In Merida, during the entire year, the rain falls for 167.3 days and collects up to 536mm (21.1") of precipitation.

Daylight

In Merida, the average length of the day in July is 13h and 16min.
On the first day of July, sunrise is at 5:20 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 6:37 pm CST.

Sunshine

In July, the average sunshine is 11h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in July leads to these recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.