January weather forecast
Ilopango, El Salvador

January in Ilopango, El Salvador ushers in the new year with comfortable temperatures. Sightseeing and outdoor activities are delightful under 11.4 hours of daylight. Tourists and residents reap the benefits from 7.7 hours of sunshine during the day. The relative humidity stands at 64%. Despite pleasant temperatures, January only has meager 2mm (0.08") of rainfall, making it one of the driest months.

Temperature

As January takes hold in Ilopango, the average high-temperature is a still hot 31.2°C (88.2°F), nearly mirroring that of the previous month. In January, Ilopango endures a notable temperature shift from day to night, with lows averaging at a comfortable 19°C (66.2°F).

Heat index

January's mean heat index is estimated at a sweltering 36°C (96.8°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In January, the average relative humidity in Ilopango is 64%.

Rainfall

January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 2mm (0.08") of precipitation.

Daylight

The average length of the day in January in Ilopango is 11h and 26min.
On the first day of the month, sunrise is at 06:19 and sunset at 17:40. On the last day of January, in Ilopango, sunrise is at 06:23 and sunset at 17:56 CST.

Sunshine

The months with the least sunshine in Ilopango are January and December, with an average of 7.7h of sunshine.

UV index

January through April, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in January translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.