January Weather in San Pedro Viejo, Mexico

Last updated: August 27, 2025

In San Pedro Viejo, Mexico, the average temperature in January hovers around 18°C (64°F), with a range that can dip to a brisk 4°C (39°F) at night and peak at a warm 34°C (93°F) during the day. Expect about 15 mm (0.6 in) of precipitation spread over just 1 day, coupled with an average humidity of 74% that might add a touch of stickiness to the air.

January Temperature in San Pedro Viejo

In January in San Pedro Viejo, the average temperature is 18°C (64°F), with maximums reaching 34°C (93°F) and minimums dropping to 4°C (39°F). This varied climate makes San Pedro Viejo a great destination for travelers seeking both warmth during the day and cooler evenings.

January Weather in San Pedro Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Pedro Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro Viejo, January typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).

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

January Precipitation in San Pedro Viejo

In San Pedro Viejo in January, the precipitation amount is 15 mm (0.6 in) over the course of 1 day.

January Precipitation Trends in San Pedro Viejo

The chart displays monthly precipitation patterns in San Pedro Viejo, 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 San Pedro Viejo, January typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 1 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 San Pedro Viejo

In San Pedro Viejo in January humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

January Average Humidity in San Pedro Viejo

This chart illustrates the average monthly humidity levels in San Pedro Viejo, 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 San Pedro Viejo is approximately 74%, 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 San Pedro Viejo

In San Pedro Viejo in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Pedro Viejo, you can refer to this Hourly UV Index in San Pedro Viejo.

Maximum UV Index Levels in San Pedro Viejo for January

The chart shows the monthly maximum UV Index (UVI) for San Pedro Viejo 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 San Pedro Viejo typically reaches 6, which falls under the high exposure category.

Data source: San Pedro Viejo 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 San Pedro Viejo Compares to Other Months

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

This table compares monthly weather conditions in San Pedro Viejo, 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 (64°F)	15 mm (0.6 inches)	74%	high
February Weather	19°C (66°F)	9 mm (0.4 inches)	67%	very high
March Weather	21°C (70°F)	6 mm (0.2 inches)	60%	very high
April Weather	24°C (75°F)	0 mm (0.0 inches)	51%	extreme
May Weather	27°C (80°F)	0 mm (0.0 inches)	47%	extreme
June Weather	30°C (87°F)	18 mm (0.7 inches)	50%	extreme
July Weather	32°C (89°F)	58 mm (2.3 inches)	70%	extreme
August Weather	31°C (89°F)	90 mm (3.5 inches)	81%	extreme
September Weather	30°C (87°F)	76 mm (3.0 inches)	82%	extreme
October Weather	28°C (83°F)	17 mm (0.7 inches)	78%	very high
November Weather	24°C (75°F)	28 mm (1.1 inches)	78%	high
December Weather	19°C (66°F)	19 mm (0.7 inches)	80%	moderate