March weather forecast
San Salvador, El Salvador

March denotes the transition to slightly warmer nights in San Salvador. The daylight duration extends further, promising more sunshine and outdoor fun. A slight increase in rainfall is observed, but showers remain light and scattered. Despite the escalating rainfall to 5mm (0.2") over an average of 6.1 days, the atmosphere retains a comfortable degree of moisture. With the UV index persisting at 7 units, sunscreen remains an essential item.

Temperature

March, with its average high-temperature of 32.6°C (90.7°F) and an average low-temperature of 21.1°C (70°F), holds the record as the warmest month in San Salvador.

Heat index

March's average heat index is calculated to be a torrid 39°C (102.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

With an average relative humidity of 62%, March is the least humid month.

Rainfall

In San Salvador, El Salvador, in March, during 6.1 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In San Salvador, during the entire year, the rain falls for 187 days and collects up to 1106mm (43.54") of precipitation.

Daylight

In San Salvador, the average length of the day in March is 12h and 4min.
On the first day of the month, sunrise is at 06:12 and sunset at 18:05. On the last day of March, sunrise is at 05:52 and sunset at 18:08 CST.

Sunshine

In San Salvador, the average sunshine in March is 10.5h.

UV index

February through April and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In March, the average maximum UV index of 7 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat.