January weather forecast
Comasagua, El Salvador

Kicking off the year, January in Comasagua, El Salvador greets locals and visitors with general calm but at times slightly humid weather. The city experiences the cool breeze with an average speed of 8.5km/h (5.3mph), peaking at 12.2km/h (7.6mph). Sun seekers will be pleased with an astounding 11.4 hours of daylight, providing plenty of opportunities for explorations. With a lower chance of rainfall, early year festivities enjoy minimal interruptions. Humidity levels, relatively lower, do not interfere with outdoor activities.

Temperature

The average high-temperature during January registers at a tropical 30.6°C (87.1°F), maintaining a close resemblance to the previous month. Comasagua records a mean low-temperature of 19.4°C (66.9°F) in January.

Heat index

The average heat index in January is computed to be a torrid 35°C (95°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in January in Comasagua is 65%.

Rainfall

January is the month with the least rainfall. Rain falls for 1.9 days and accumulates 1mm (0.04") of precipitation.

Daylight

In Comasagua, the average length of the day in January is 11h and 26min.
On the first day of the month, sunrise is at 06:20 and sunset at 17:41. On the last day of January, in Comasagua, El Salvador, sunrise is at 06:24 and sunset at 17:57 CST.

Sunshine

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

UV index

The months with the lowest UV index are January, May, June, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in January transforms into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.