July weather forecast
Chalchuapa, El Salvador

Treading through July, Chalchuapa maintains a similar weather pattern as June, marked by continual rainfall and high humidity. Temperature ranges lower than the peak hot months, indicating a somewhat cooler season. A notable increase in the pressure to 1012.8 millibar occurs, which can influence diverse weather conditions. This period casts a particular charm to the city, appealing to the curiosity and adventurous spirit of visitors.

Temperature

The commencement of July introduces an average high-temperature of a still warm 29.7°C (85.5°F), closely mirroring the preceding month. In the month of July, the nighttime temperature in Chalchuapa dips to a steady average of 18.9°C (66°F).

Heat index

In July, the heat index is computed to be a very hot 37°C (98.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. 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 in Chalchuapa is 81%.

Rainfall

In Chalchuapa, in July, it is raining for 21.8 days, with typically 116mm (4.57") of accumulated precipitation. In Chalchuapa, during the entire year, the rain falls for 181.4 days and collects up to 1055mm (41.54") of precipitation.

Daylight

In July, the average length of the day is 12h and 52min.
On the first day of July, sunrise is at 05:34 and sunset at 18:30. On the last day of the month, sunrise is at 05:42 and sunset at 18:27 CST.

Sunshine

The average sunshine in July is 9.8h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the highest UV index in Chalchuapa. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.