May weather forecast
San Sebastian Salitrillo, El Salvador

May in San Sebastian Salitrillo is typically the start of the most significant rainfall period, showcasing an upsurge in rainfall to a staggering average of 198mm (7.8"). As the city embraces this pluvial phenomenon, a notable rise in the city's relative humidity is experienced. Imminent thunderstorms can often be a promising spectacle, with the month characterized by a peak in electrical activity due to a surge in atmospheric instability. Despite the inclination for tropical downpours, May in San Sebastian Salitrillo presents an essential opportunity for witnessing the city's rainfall dynamics amidst burgeoning flora. The city becomes less windy, creating a calm and tranquil atmosphere during the rain spells.

Temperature

As San Sebastian Salitrillo welcomes May, the average high-temperature records at a still tropical 31.1°C (88°F), marking an insignificant deviation from the prior month. Throughout May, San Sebastian Salitrillo witnesses a nighttime temperature average of 20.7°C (69.3°F).

Heat index

During May, the heat index is evaluated at a blisteringly hot 40°C (104°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In San Sebastian Salitrillo, El Salvador, the average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 23.7 days and accumulates 198mm (7.8") of precipitation.

Daylight

In May, the average length of the day is 12h and 47min.
On the first day of the month, sunrise is at 05:36 and sunset at 18:14. On the last day of May, sunrise is at 05:29 and sunset at 18:23 CST.

Sunshine

The average sunshine in May in San Sebastian Salitrillo is 10.3h.

UV index

The months with the highest UV index in San Sebastian Salitrillo are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.