January Weather in Primero de Mayo, Mexico

Last updated: August 27, 2025

In January, the average temperature in Primero de Mayo, Mexico hovers around 17°C (64°F). Expect a chilly minimum of 2°C (36°F), while the days can warm up to a comfortable 34°C (94°F). With 11 mm (0.4 in) of precipitation over just 1 day, you may want to carry an umbrella. Overall, humidity levels average around 71%, adding a touch of mugginess to the mix.

January Temperature in Primero de Mayo

In January in Primero de Mayo, the average temperature is 17°C (64°F). Maximums can reach 34°C (94°F) and minimums can be as low as 2°C (36°F). It is advisable to pack both lightweight clothing for the warm days and warmer layers for the cooler evenings.

January Weather in Primero de Mayo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Primero de Mayo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Primero de Mayo, January typically has an average temperature of 17°C (64°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (36°F).

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

January Precipitation in Primero de Mayo

In Primero de Mayo in January, the precipitation amount is 11 mm (0.4 in) over the course of one day.

January Precipitation Trends in Primero de Mayo

The chart displays monthly precipitation patterns in Primero de Mayo, 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 Primero de Mayo, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 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 Primero de Mayo

In Primero de Mayo in January humidity is 71%. With an average temperature of 17°C (64°F), this humidity feels like a warm, enveloping embrace that can make travel feel a bit sticky, yet still pleasant as you explore the sights with a gentle sheen of perspiration.

January Average Humidity in Primero de Mayo

This chart illustrates the average monthly humidity levels in Primero de Mayo, 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 Primero de Mayo is approximately 71%, 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 Primero de Mayo

In Primero de Mayo 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 Primero de Mayo, you can refer to this Hourly UV Index in Primero de Mayo.

Maximum UV Index Levels in Primero de Mayo for January

The chart shows the monthly maximum UV Index (UVI) for Primero de Mayo 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 Primero de Mayo typically reaches 6, which falls under the high exposure category.

Data source: Primero de Mayo 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 Primero de Mayo Compares to Other Months

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

This table compares monthly weather conditions in Primero de Mayo, 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 (64°F)	11 mm (0.4 inches)	71%	high
February Weather	18°C (65°F)	10 mm (0.4 inches)	66%	very high
March Weather	21°C (69°F)	11 mm (0.4 inches)	58%	very high
April Weather	24°C (76°F)	0 mm (0.0 inches)	52%	extreme
May Weather	27°C (81°F)	0 mm (0.0 inches)	51%	extreme
June Weather	31°C (89°F)	12 mm (0.5 inches)	51%	extreme
July Weather	32°C (90°F)	57 mm (2.2 inches)	60%	extreme
August Weather	32°C (90°F)	74 mm (2.9 inches)	73%	extreme
September Weather	30°C (87°F)	76 mm (3.0 inches)	76%	extreme
October Weather	28°C (83°F)	18 mm (0.7 inches)	72%	very high
November Weather	23°C (73°F)	20 mm (0.8 inches)	72%	high
December Weather	18°C (65°F)	17 mm (0.7 inches)	72%	moderate