January Weather in Santa Catalina de Siena, Mexico

Last updated: August 27, 2025

In January, the average temperature in Santa Catalina de Siena, Mexico hovers around 12°C (53°F), offering a pleasant climate for exploration. Temperatures can fluctuate between a brisk -3°C (27°F) and a warm 26°C (79°F), presenting a diverse weather experience. Expect 10 mm (0.4 in) of precipitation across just 1 day, and embrace the comfortable 70% humidity that adds to the region's charm.

January Temperature in Santa Catalina de Siena

In January in Santa Catalina de Siena, the average temperature is 12°C (53°F). Maximums can reach 26°C (79°F), and minimums can drop as low as -3°C (27°F). This variability makes it essential for travelers to be prepared for both warm days and chilly nights during their visit.

January Weather in Santa Catalina de Siena: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santa Catalina de Siena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Catalina de Siena, January typically has an average temperature of 12°C (53°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Santa Catalina de Siena generated using information from the Copernicus Climate Change Service.

January Precipitation in Santa Catalina de Siena

In Santa Catalina de Siena in January, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

January Precipitation Trends in Santa Catalina de Siena

The chart displays monthly precipitation patterns in Santa Catalina de Siena, 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 Santa Catalina de Siena, 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 Santa Catalina de Siena

In Santa Catalina de Siena in January humidity is 70%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill wrapping around you, making outdoor activities less enjoyable and prompting the need for warm clothing to stay comfortable while traveling.

January Average Humidity in Santa Catalina de Siena

This chart illustrates the average monthly humidity levels in Santa Catalina de Siena, 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 Santa Catalina de Siena 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 Santa Catalina de Siena

In Santa Catalina de Siena 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 Santa Catalina de Siena.

Maximum UV Index Levels in Santa Catalina de Siena for January

The chart shows the monthly maximum UV Index (UVI) for Santa Catalina de Siena 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 Santa Catalina de Siena typically reaches 8, which falls under the very high exposure category.

Data source: Santa Catalina de Siena 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 Santa Catalina de Siena Compares to Other Months

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

This table compares monthly weather conditions in Santa Catalina de Siena, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	10 mm (0.4 inches)	70%	very high
February Weather	14°C (58°F)	11 mm (0.4 inches)	62%	extreme
March Weather	17°C (64°F)	11 mm (0.4 inches)	53%	extreme
April Weather	20°C (68°F)	5 mm (0.2 inches)	48%	extreme
May Weather	23°C (73°F)	14 mm (0.5 inches)	52%	extreme
June Weather	23°C (74°F)	65 mm (2.5 inches)	64%	extreme
July Weather	21°C (70°F)	198 mm (7.8 inches)	73%	extreme
August Weather	21°C (70°F)	112 mm (4.4 inches)	71%	extreme
September Weather	19°C (66°F)	189 mm (7.4 inches)	82%	extreme
October Weather	18°C (64°F)	61 mm (2.4 inches)	83%	extreme
November Weather	15°C (59°F)	10 mm (0.4 inches)	82%	very high
December Weather	12°C (54°F)	13 mm (0.5 inches)	84%	high