January Weather in San Sebastian del Sur, Mexico

Last updated: August 27, 2025

In San Sebastian del Sur, Mexico, the average temperature in January hovers around 16°C (61°F), with a comfortable range from a cool 4°C (39°F) to a warm 29°C (84°F). Expect a bit of rain, with average precipitation of 11 mm (0.4 in) over 2 days. The atmosphere is generally humid, maintaining an average humidity of 70%, perfect for those who enjoy lush landscapes!

January Temperature in San Sebastian del Sur

In January in San Sebastian del Sur, the average temperature is 16°C (61°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 4°C (39°F). This varied climate makes it essential for travelers to pack accordingly, ensuring they are prepared for both warm days and cooler evenings.

January Weather in San Sebastian del Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Sebastian del Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Sebastian del Sur, January typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (84°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for San Sebastian del Sur generated using information from the Copernicus Climate Change Service.

January Precipitation in San Sebastian del Sur

In San Sebastian del Sur in January, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in San Sebastian del Sur

The chart displays monthly precipitation patterns in San Sebastian del Sur, 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 San Sebastian del Sur, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in San Sebastian del Sur

In San Sebastian del Sur in January humidity is 70%. With an average temperature of 16°C (61°F), this humidity feels like a warm, damp blanket wrapping around you, making travel somewhat uncomfortable as you navigate the sticky air while trying to enjoy your surroundings.

January Average Humidity in San Sebastian del Sur

This chart illustrates the average monthly humidity levels in San Sebastian del Sur, 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 San Sebastian del Sur is approximately 70%, 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 San Sebastian del Sur

In San Sebastian del Sur 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 San Sebastian del Sur.

Maximum UV Index Levels in San Sebastian del Sur for January

The chart shows the monthly maximum UV Index (UVI) for San Sebastian del Sur 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 San Sebastian del Sur typically reaches 9, which falls under the very high exposure category.

Data source: San Sebastian del Sur 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 San Sebastian del Sur Compares to Other Months

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

This table compares monthly weather conditions in San Sebastian del Sur, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	11 mm (0.4 inches)	70%	very high
February Weather	17°C (63°F)	19 mm (0.8 inches)	65%	extreme
March Weather	19°C (66°F)	9 mm (0.4 inches)	59%	extreme
April Weather	20°C (68°F)	3 mm (0.1 inches)	60%	extreme
May Weather	21°C (71°F)	36 mm (1.4 inches)	67%	extreme
June Weather	21°C (70°F)	176 mm (6.9 inches)	80%	extreme
July Weather	20°C (68°F)	212 mm (8.4 inches)	81%	extreme
August Weather	20°C (68°F)	209 mm (8.2 inches)	83%	extreme
September Weather	19°C (67°F)	223 mm (8.8 inches)	83%	extreme
October Weather	19°C (67°F)	117 mm (4.6 inches)	80%	extreme
November Weather	18°C (64°F)	35 mm (1.4 inches)	77%	very high
December Weather	16°C (61°F)	10 mm (0.4 inches)	76%	very high