March weather forecast
San Esteban Catarina, El Salvador

Arriving with moderately increased temperatures, March also appreciates longer daylight hours. The emerging trend is an ascending heat level and humidity. Stay prepared for the tropical feel accentuated by the median relative humidity of 58%. San Esteban Catarina indicates mild climate alterations as it transits into April while remaining ideal for vacation plans and activities.

Temperature

Temperature records in San Esteban Catarina mark March as the warmest month, with highs averaging 34.5°C (94.1°F) and lows at 20.6°C (69.1°F).

Heat index

In March, the heat index is computed to be an extremely hot 43°C (109.4°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

March is the least humid month in San Esteban Catarina, with an average relative humidity of 58%.

Rainfall

In San Esteban Catarina, in March, during 7.8 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 219.1 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

In San Esteban Catarina, El Salvador, the average length of the day in March is 12h and 4min.
On the first day of the month, sunrise is at 06:10 and sunset at 18:03. On the last day of March, sunrise is at 05:51 and sunset at 18:07 CST.

Sunshine

In San Esteban Catarina, the average sunshine in March is 10.6h.

UV index

January through May 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 hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In March, the maximum UV index of 7 transforms into these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.