May weather forecast
San Pedro Masahuat, El Salvador

May signifies the height of the rainy season in San Pedro Masahuat, El Salvador. The city experiences the highest humidity levels of the year this month, testifying to the heavy cloud cover. Despite this, daylight hours reach its peak at 12.8 hours per day. Although a decrease in sunshine days is observed, the city receives high UV index. Notwithstanding these conditions, May remarkably records the highest rainfall volume ever, with downpours aggregating to about 153mm (6.02").

Temperature

San Pedro Masahuat's weather in May, with an average high-temperature of a still tropical 31.4°C (88.5°F), subtly shifts from April's 32.3°C (90.1°F). In May, the recorded average low-temperature is a moderately hot 24.5°C (76.1°F).

Heat index

May's heat index is computed to be a scorching 40°C (104°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, in San Pedro Masahuat, El Salvador, the rain falls for 26.3 days. Throughout May, 153mm (6.02") of precipitation is accumulated. In San Pedro Masahuat, during the entire year, the rain falls for 200.6 days and collects up to 971mm (38.23") of precipitation.

Daylight

The average length of the day in May in San Pedro Masahuat is 12h and 46min.
On the first day of the month, sunrise is at 05:34 and sunset at 18:12. On the last day of May, in San Pedro Masahuat, sunrise is at 05:27 and sunset at 18:20 CST.

Sunshine

In San Pedro Masahuat, El Salvador, the average sunshine in May is 10.8h.

UV index

The months with the highest UV index in San Pedro Masahuat are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.