January Weather in Petacalco, Mexico

Last updated: August 27, 2025

In January, the average temperature in Petacalco, Mexico hovers around 25°C (78°F). Expect a pleasant range, with minimums dipping to 18°C (65°F) and maximums climbing to 33°C (91°F). With only 4 mm (0.2 in) of precipitation over 0 days, the weather remains comfortably dry, complemented by an average humidity of 66%.

January Temperature in Petacalco

In January in Petacalco, the average temperature is 25°C (78°F). Maximum temperatures can reach 33°C (91°F), while minimums can dip to as low as 18°C (65°F). This pleasant climate makes Petacalco an ideal destination for travelers seeking enjoyable weather and outdoor activities.

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

The chart illustrates January temperature patterns in Petacalco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petacalco, January typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Petacalco

In Petacalco in January, the precipitation amount is 4 mm (0.2 in) over the course of 0 days.

January Precipitation Trends in Petacalco

The chart displays monthly precipitation patterns in Petacalco, 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 Petacalco, January typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 0 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 Petacalco

In Petacalco in January, humidity is 66%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel more draining, yet still enjoyable for short adventures.

January Average Humidity in Petacalco

This chart illustrates the average monthly humidity levels in Petacalco, 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 Petacalco is approximately 66%, 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 Petacalco

In Petacalco 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 Petacalco.

Maximum UV Index Levels in Petacalco for January

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

Data source: Petacalco 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 Petacalco Compares to Other Months

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

This table compares monthly weather conditions in Petacalco, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	4 mm (0.2 inches)	66%	very high
February Weather	25°C (77°F)	2 mm (0.1 inches)	64%	extreme
March Weather	25°C (78°F)	1 mm (0.0 inches)	63%	extreme
April Weather	25°C (78°F)	0 mm (0.0 inches)	69%	extreme
May Weather	26°C (80°F)	7 mm (0.3 inches)	73%	extreme
June Weather	27°C (81°F)	188 mm (7.4 inches)	76%	extreme
July Weather	28°C (83°F)	102 mm (4.0 inches)	78%	extreme
August Weather	28°C (82°F)	250 mm (9.9 inches)	79%	extreme
September Weather	27°C (81°F)	265 mm (10.4 inches)	78%	extreme
October Weather	27°C (81°F)	234 mm (9.2 inches)	75%	extreme
November Weather	27°C (80°F)	47 mm (1.8 inches)	72%	very high
December Weather	26°C (78°F)	4 mm (0.2 inches)	70%	very high