January Weather in Atalpan, Mexico

Last updated: August 27, 2025

In January, the average temperature in Atalpan, Mexico is a comfortable 12°C (54°F). However, be prepared for temperature fluctuations, as it can dip to a chilly 2°C (36°F) or rise to a pleasant 26°C (79°F). Expect some rain during your visit, with an average precipitation of 70 mm (2.7 in) over approximately 11 days. Don’t forget, the air tends to be quite humid, with an average humidity level of 84%!

January Temperature in Atalpan

In January in Atalpan, the average temperature is 12°C (54°F). Maximums can reach 26°C (79°F), and minimums can be as low as 2°C (36°F). This makes it a great time to explore Atalpan, as you can enjoy pleasant days while being prepared for cooler evenings.

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

The chart illustrates January temperature patterns in Atalpan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atalpan, January typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around 2°C (36°F).

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

January Precipitation in Atalpan

In Atalpan in January, the precipitation amount is 70 mm (2.7 in) spread over 11 days.

January Precipitation Trends in Atalpan

The chart displays monthly precipitation patterns in Atalpan, 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 Atalpan, January typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 11 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 Atalpan

In Atalpan in January, humidity is 84%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky.

January Average Humidity in Atalpan

This chart illustrates the average monthly humidity levels in Atalpan, 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 Atalpan is approximately 84%, 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 Atalpan

In Atalpan in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Atalpan.

Maximum UV Index Levels in Atalpan for January

The chart shows the monthly maximum UV Index (UVI) for Atalpan 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 Atalpan typically reaches 10, which falls under the very high exposure category.

Data source: Atalpan 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 Atalpan Compares to Other Months

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

This table compares monthly weather conditions in Atalpan, 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 (54°F)	70 mm (2.7 inches)	84%	very high
February Weather	14°C (58°F)	50 mm (2.0 inches)	78%	extreme
March Weather	15°C (60°F)	79 mm (3.1 inches)	75%	extreme
April Weather	17°C (63°F)	113 mm (4.5 inches)	70%	extreme
May Weather	18°C (65°F)	155 mm (6.1 inches)	77%	extreme
June Weather	18°C (64°F)	264 mm (10.4 inches)	76%	extreme
July Weather	17°C (64°F)	243 mm (9.6 inches)	68%	extreme
August Weather	17°C (64°F)	322 mm (12.7 inches)	70%	extreme
September Weather	17°C (63°F)	363 mm (14.3 inches)	82%	extreme
October Weather	16°C (61°F)	230 mm (9.1 inches)	91%	extreme
November Weather	14°C (57°F)	101 mm (4.0 inches)	89%	very high
December Weather	13°C (55°F)	40 mm (1.6 inches)	88%	very high