January Weather in Casas, Mexico

Last updated: August 27, 2025

In January, the average temperature in Casas, Mexico is a pleasant 18°C (65°F), with extremes ranging from a chilly 1°C (34°F) to a scorching 37°C (99°F). Expect some precipitation, averaging 18 mm (0.7 in) over the course of 3 days, while maintaining a relatively high average humidity of 87%.

January Temperature in Casas

In January in Casas, the average temperature is 18°C (65°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures when traveling to Casas during this month.

January Weather in Casas: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Casas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casas, January typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (34°F).

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

January Precipitation in Casas

In Casas in January, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

January Precipitation Trends in Casas

The chart displays monthly precipitation patterns in Casas, 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 Casas, January typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 3 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 Casas

In Casas in January, humidity is 87%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapped around you, making travel feel both stifling and sticky, and leaving you longing for moments of refreshing shade or air conditioning.

January Average Humidity in Casas

This chart illustrates the average monthly humidity levels in Casas, 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 Casas is approximately 87%, 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 Casas

In Casas in January, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Casas.

Maximum UV Index Levels in Casas for January

The chart shows the monthly maximum UV Index (UVI) for Casas 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 Casas typically reaches 7, which falls under the high exposure category.

Data source: Casas 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 Casas Compares to Other Months

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

This table compares monthly weather conditions in Casas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	18 mm (0.7 inches)	87%	high
February Weather	20°C (69°F)	13 mm (0.5 inches)	85%	very high
March Weather	23°C (75°F)	32 mm (1.3 inches)	83%	extreme
April Weather	26°C (80°F)	35 mm (1.4 inches)	84%	extreme
May Weather	29°C (84°F)	63 mm (2.5 inches)	85%	extreme
June Weather	29°C (85°F)	103 mm (4.0 inches)	79%	extreme
July Weather	29°C (85°F)	95 mm (3.8 inches)	71%	extreme
August Weather	30°C (86°F)	45 mm (1.8 inches)	72%	extreme
September Weather	28°C (82°F)	136 mm (5.3 inches)	80%	extreme
October Weather	25°C (77°F)	86 mm (3.4 inches)	85%	very high
November Weather	21°C (70°F)	32 mm (1.2 inches)	88%	very high
December Weather	19°C (67°F)	12 mm (0.5 inches)	89%	high