January Weather in Mecatlan, Mexico

Last updated: August 27, 2025

In January, the average temperature in Mecatlan, Mexico hovers around 17°C (63°F), offering a pleasant climate for exploration. However, temperatures can range from a chilly 6°C (43°F) to a warm 31°C (88°F). Expect some rain, with a total precipitation of 118 mm (4.6 in) over approximately 16 days, contributing to an average humidity level of 88%.

January Temperature in Mecatlan

In January in Mecatlan, the average temperature is 17°C (63°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 6°C (43°F). It's a great time to explore the diverse activities and attractions in Mecatlan, as the weather is generally mild and pleasant.

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

The chart illustrates January temperature patterns in Mecatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mecatlan, January typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).

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

January Precipitation in Mecatlan

In Mecatlan in January, the precipitation amount is 118 mm (4.6 in) over the course of 16 days.

January Precipitation Trends in Mecatlan

The chart displays monthly precipitation patterns in Mecatlan, 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 Mecatlan, January typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 16 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 Mecatlan

In Mecatlan in January, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.

January Average Humidity in Mecatlan

This chart illustrates the average monthly humidity levels in Mecatlan, 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 Mecatlan is approximately 88%, 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 Mecatlan

In Mecatlan 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 Mecatlan.

Maximum UV Index Levels in Mecatlan for January

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

Data source: Mecatlan 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 Mecatlan Compares to Other Months

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

This table compares monthly weather conditions in Mecatlan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	118 mm (4.6 inches)	88%	very high
February Weather	19°C (66°F)	108 mm (4.3 inches)	86%	very high
March Weather	20°C (69°F)	152 mm (6.0 inches)	83%	extreme
April Weather	23°C (74°F)	140 mm (5.5 inches)	80%	extreme
May Weather	25°C (77°F)	196 mm (7.7 inches)	82%	extreme
June Weather	25°C (77°F)	290 mm (11.4 inches)	79%	extreme
July Weather	25°C (77°F)	251 mm (9.9 inches)	72%	extreme
August Weather	25°C (77°F)	297 mm (11.7 inches)	74%	extreme
September Weather	24°C (76°F)	330 mm (13.0 inches)	84%	extreme
October Weather	23°C (73°F)	329 mm (13.0 inches)	92%	extreme
November Weather	20°C (68°F)	164 mm (6.4 inches)	91%	very high
December Weather	18°C (64°F)	81 mm (3.2 inches)	91%	high