January Weather in El Salvador, Mexico

Last updated: August 27, 2025

In January, the average temperature in El Salvador, Mexico hovers around 11°C (53°F). Expect a chill, with minimums dipping to -3°C (27°F), while it can reach a cozy 26°C (78°F) on warmer days. Be prepared for some moisture, as there's typically 15 mm (0.6 in) of precipitation over 2 days. The air will be quite humid, with an average humidity of 75%, making it feel even cooler!

January Temperature in El Salvador

In January in El Salvador, the average temperature is 11°C (53°F). Maximums can reach 26°C (78°F), and minimums can drop as low as -3°C (27°F). Be prepared for a range of temperatures, so pack layers to stay comfortable while exploring.

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 11°C (53°F), with highs reaching up to 26°C (78°F) and lows dropping to around -3°C (27°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 15 mm (0.6 in) over the course of 2 days.

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 15 mm (0.6 inches) of precipitation spread over approximately 2 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 75%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make exploring the area feel more challenging, as you constantly contend with the moisture in the air while trying to enjoy your travels.

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 75%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, 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	11°C (53°F)	15 mm (0.6 inches)	75%	very high
February Weather	14°C (58°F)	12 mm (0.5 inches)	70%	very high
March Weather	17°C (63°F)	23 mm (0.9 inches)	65%	extreme
April Weather	19°C (67°F)	32 mm (1.3 inches)	59%	extreme
May Weather	21°C (70°F)	52 mm (2.0 inches)	66%	extreme
June Weather	21°C (71°F)	40 mm (1.6 inches)	71%	extreme
July Weather	21°C (69°F)	68 mm (2.7 inches)	57%	extreme
August Weather	21°C (69°F)	19 mm (0.8 inches)	58%	extreme
September Weather	19°C (67°F)	59 mm (2.3 inches)	72%	extreme
October Weather	18°C (65°F)	22 mm (0.9 inches)	76%	extreme
November Weather	15°C (59°F)	11 mm (0.4 inches)	81%	very high
December Weather	12°C (54°F)	27 mm (1.1 inches)	80%	high