June weather forecast
San Francisco Lempa, El Salvador

The first month of the summer, June, is still a tropical month in San Francisco Lempa, El Salvador, with an average temperature varying between 30.7°C (87.3°F) and 21.2°C (70.2°F).

Temperature

The advent of June presents an average high-temperature of a still tropical 30.7°C (87.3°F), maintaining a close correlation with the preceding month. During June, the average low-temperature is an agreeable 21.2°C (70.2°F).

Heat index

June's heat index is appraised at a blistering 40°C (104°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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', evaluates the perceived heat by adding the effect of moisture in the air. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 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.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In San Francisco Lempa, El Salvador, the average relative humidity in June is 80%.

Rainfall

In June, the rain falls for 26 days. Throughout June, 161mm (6.34") of precipitation is accumulated. Throughout the year, in San Francisco Lempa, there are 192.2 rainfall days, and 1062mm (41.81") of precipitation is accumulated.

Daylight

June has the longest days of the year, with an average of 12h and 54min of daylight.
On the first day of the month, sunrise is at 05:26 and sunset at 18:21. On the last day of June, in San Francisco Lempa, El Salvador, sunrise is at 05:31 and sunset at 18:28 CST.

Sunshine

The average sunshine in June in San Francisco Lempa, El Salvador, is 10.3h.

UV index

The months with the lowest UV index in San Francisco Lempa are January, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: During June, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.