January weather forecast
Santa Rosa de Lima, El Salvador

As Santa Rosa de Lima welcomes the new year, weather patterns reveal a tendency towards some of the mildest conditions. January experiences an average high temperature of 32.9°C (91.2°F) and a low of 20.2°C (68.4°F), alongside a manageable 1mm (0.04") rainfall, transforming the city into a soothing cocoon. The benign weather conditions are a refreshing departure from the intense weather of the succeeding months. January thus serves as a perfect time for tourists to flock to the city, indulge in outdoor activities, and soak in the ambience - unhindered by extreme weather occurrences. The cooler nights propose a relaxing contrast to the moderately warm days.

Temperature

January's commencement in Santa Rosa de Lima, El Salvador, is accompanied by an average high-temperature of a still tropical 32.9°C (91.2°F), diverging marginally from December's 32°C (89.6°F). In Santa Rosa de Lima, the average temperature during the nights of January marks a significant drop from the daily high, settling at a pleasant 20.2°C (68.4°F).

Heat index

The heat index value for January is evaluated at a very hot 39°C (102.2°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In January, the average relative humidity in Santa Rosa de Lima, El Salvador, is 59%.

Rainfall

The month with the least rainfall in Santa Rosa de Lima, El Salvador, is January, when the rain falls for 1.6 days and typically collects 1mm (0.04") of precipitation.

Daylight

In Santa Rosa de Lima, El Salvador, the average length of the day in January is 11h and 26min.
On the first day of the month, sunrise is at 06:14 and sunset at 17:35. On the last day of January, in Santa Rosa de Lima, El Salvador, sunrise is at 06:18 and sunset at 17:51 CST.

Sunshine

In January, the average sunshine is 7.7h.

UV index

The months with the highest UV index in Santa Rosa de Lima are January through August, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 7 in January translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.