January Weather in El Rosario, Mexico

Last updated: August 27, 2025

In January, the average temperature in El Rosario, Mexico is a pleasant 19°C (67°F). Expect variations with a minimum of 4°C (40°F) and a maximum of 31°C (88°F). During this time, precipitation is minimal, averaging only 17 mm (0.7 in) over the course of 1 day. The average humidity hovers around 74%, contributing to a comfortable, albeit slightly humid atmosphere.

January Temperature in El Rosario

In January in El Rosario, the average temperature is 19°C (67°F), with maximums reaching 31°C (88°F) and minimums dipping to as low as 4°C (40°F). This makes it a pleasant time to visit, providing a comfortable climate for outdoor activities and exploration.

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

The chart illustrates January temperature patterns in El Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rosario, January typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (40°F).

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

January Precipitation in El Rosario

In El Rosario in January, the precipitation amount is 17 mm (0.7 in) over the course of 1 day.

January Precipitation Trends in El Rosario

The chart displays monthly precipitation patterns in El Rosario, 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 Rosario, January typically receives around 17 mm (0.7 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 Rosario

In El Rosario in January, humidity is 74%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling, often leading travelers to seek shade and hydrate frequently.

January Average Humidity in El Rosario

This chart illustrates the average monthly humidity levels in El Rosario, 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 Rosario is approximately 74%, 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 Rosario

In El Rosario 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 Rosario.

Maximum UV Index Levels in El Rosario for January

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

Data source: El Rosario 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 Rosario Compares to Other Months

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

This table compares monthly weather conditions in El Rosario, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	17 mm (0.7 inches)	74%	very high
February Weather	20°C (69°F)	25 mm (1.0 inches)	66%	very high
March Weather	22°C (71°F)	0 mm (0.0 inches)	61%	extreme
April Weather	23°C (74°F)	0 mm (0.0 inches)	56%	extreme
May Weather	25°C (78°F)	1 mm (0.0 inches)	61%	extreme
June Weather	27°C (80°F)	65 mm (2.6 inches)	73%	extreme
July Weather	27°C (81°F)	173 mm (6.8 inches)	82%	extreme
August Weather	27°C (81°F)	278 mm (10.9 inches)	83%	extreme
September Weather	26°C (79°F)	220 mm (8.7 inches)	83%	extreme
October Weather	26°C (79°F)	135 mm (5.3 inches)	78%	extreme
November Weather	23°C (74°F)	13 mm (0.5 inches)	77%	very high
December Weather	20°C (69°F)	18 mm (0.7 inches)	78%	high