January Weather in La Fortaleza, Mexico

Last updated: August 27, 2025

In January, the average temperature in La Fortaleza, Mexico is a pleasant 20°C (68°F), with extremes ranging from a minimum of 6°C (43°F) to a scorching maximum of 38°C (101°F). Expect some rain, with a total precipitation of 42 mm (1.7 in) spread over 6 days. The air is quite humid, averaging around 88%, creating a warm and cozy atmosphere.

January Temperature in La Fortaleza

In January in La Fortaleza, the average temperature is 20°C (68°F), with maximums reaching up to 38°C (101°F) and minimums dipping as low as 6°C (43°F). This varied climate makes it essential for travelers to pack layers to adjust to both warm days and cooler evenings.

January Weather in La Fortaleza: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Fortaleza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Fortaleza, January typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (101°F) and lows dropping to around 6°C (43°F).

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

January Precipitation in La Fortaleza

In La Fortaleza in January, the total precipitation amount is 42 mm (1.7 in) spread over 6 days.

January Precipitation Trends in La Fortaleza

The chart displays monthly precipitation patterns in La Fortaleza, 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 La Fortaleza, January typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 6 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 La Fortaleza

In La Fortaleza in January humidity is 88%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making every step feel heavier and every breath a bit more labored, which can be quite draining for traveling.

January Average Humidity in La Fortaleza

This chart illustrates the average monthly humidity levels in La Fortaleza, 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 La Fortaleza 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 La Fortaleza

In La Fortaleza 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 La Fortaleza.

Maximum UV Index Levels in La Fortaleza for January

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

Data source: La Fortaleza 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 La Fortaleza Compares to Other Months

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

This table compares monthly weather conditions in La Fortaleza, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	42 mm (1.7 inches)	88%	high
February Weather	22°C (72°F)	20 mm (0.8 inches)	86%	very high
March Weather	25°C (77°F)	33 mm (1.3 inches)	83%	extreme
April Weather	28°C (83°F)	37 mm (1.5 inches)	80%	extreme
May Weather	30°C (87°F)	84 mm (3.3 inches)	82%	extreme
June Weather	30°C (86°F)	163 mm (6.4 inches)	79%	extreme
July Weather	30°C (85°F)	138 mm (5.4 inches)	72%	extreme
August Weather	30°C (86°F)	115 mm (4.5 inches)	74%	extreme
September Weather	28°C (83°F)	165 mm (6.5 inches)	84%	extreme
October Weather	26°C (80°F)	151 mm (6.0 inches)	92%	very high
November Weather	23°C (74°F)	29 mm (1.2 inches)	91%	very high
December Weather	21°C (70°F)	15 mm (0.6 inches)	91%	high