July weather forecast
Ciudad Constitución, Mexico

July, the same as June, in Ciudad Constitución, Mexico, is another tropical summer month, with an average temperature fluctuating between 32.5°C (90.5°F) and 27.2°C (81°F).

Temperature

The start of July marks an average high-temperature of a still tropical 32.5°C (90.5°F), hardly distinguishable from the conditions in June. Ciudad Constitución observes an average low-temperature of 27.2°C (81°F) during July nights.

Heat index

During July, the heat index is evaluated at a fiery hot 36°C (96.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. 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 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Ciudad Constitución, the average relative humidity in July is 51%.

Rainfall

In July, the rain falls for 11.3 days. Throughout July, 25mm (0.98") of precipitation is accumulated. In Ciudad Constitución, during the entire year, the rain falls for 54.1 days and collects up to 238mm (9.37") of precipitation.

Daylight

The average length of the day in July in Ciudad Constitución, Mexico, is 13h and 31min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:20 pm. On the last day of July, sunrise is at 5:54 am and sunset at 7:11 pm MST.

Sunshine

In Ciudad Constitución, the average sunshine in July is 11.7h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, a regular UV index of 8 translates into these guidelines:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.