January Weather in El Salvador, Mexico

Last updated: August 27, 2025

The average temperature in El Salvador, Mexico during January is a comfortable 17°C (64°F). However, expect a range from a brisk 3°C (38°F) to a warm 31°C (88°F). You might also encounter light rain, with an average precipitation amount of just 10 mm (0.4 in) over a day. With the average humidity resting at 64%, it's wise to enjoy a balance of both comfort and refreshment!

January Temperature in El Salvador

In January in El Salvador, the average temperature is 17°C (64°F). Maximums can reach 31°C (88°F) and minimums can be as low as 3°C (38°F). This range makes El Salvador an ideal destination for travelers seeking a moderate climate for outdoor activities.

January Weather in El Salvador: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in El Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Salvador, January typically has an average temperature of 17°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for El Salvador generated using information from the Copernicus Climate Change Service.

January Precipitation in El Salvador

In El Salvador in January, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

January Precipitation Trends in El Salvador

The chart displays monthly precipitation patterns in El Salvador, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In El Salvador, January typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in El Salvador

In El Salvador in January, humidity is 64%. With an average temperature of 17°C (64°F), this humidity feels like a warm embrace, making traveling comfortable yet slightly muggy, ideal for leisurely strolls but requiring occasional breaks in shade to fully enjoy the scenery.

January Average Humidity in El Salvador

This chart illustrates the average monthly humidity levels in El Salvador, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in El Salvador is approximately 64%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in El Salvador

In El Salvador in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in El Salvador.

Maximum UV Index Levels in El Salvador for January

The chart shows the monthly maximum UV Index (UVI) for El Salvador in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in El Salvador typically reaches 9, which falls under the very high exposure category.

Data source: El Salvador January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in El Salvador Compares to Other Months

Weather in El Salvador varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in El Salvador, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in El Salvador, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (64°F)	10 mm (0.4 inches)	64%	very high
February Weather	19°C (66°F)	15 mm (0.6 inches)	57%	extreme
March Weather	21°C (71°F)	2 mm (0.1 inches)	46%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (76°F)	12 mm (0.5 inches)	51%	extreme
June Weather	25°C (76°F)	76 mm (3.0 inches)	74%	extreme
July Weather	22°C (73°F)	201 mm (7.9 inches)	79%	extreme
August Weather	23°C (73°F)	177 mm (7.0 inches)	81%	extreme
September Weather	22°C (72°F)	187 mm (7.3 inches)	84%	extreme
October Weather	22°C (71°F)	63 mm (2.5 inches)	75%	extreme
November Weather	20°C (68°F)	15 mm (0.6 inches)	71%	very high
December Weather	18°C (64°F)	13 mm (0.5 inches)	74%	very high