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January Weather in Primero de Mayo, Mexico

Last updated: August 27, 2025

In January, the average temperature in Primero de Mayo, Mexico hovers around 19°C (66°F), with a remarkable range where minimums can dip to 4°C (39°F) and maximums soar up to 39°C (103°F). Expect to encounter about 19 mm (0.8 in) of precipitation over approximately 5 days, all while contending with a high average humidity of 87%.

January Temperature in Primero de Mayo

In January in Primero de Mayo, the average temperature is 19°C (66°F). Maximum temperatures can reach 39°C (103°F), while the minimum can drop as low as 4°C (39°F). Pack accordingly to enjoy both the warm days and cooler evenings during your travels.

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 19°C (66°F), with highs reaching up to 39°C (103°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec667075818485848583797268
Data source: Temperature data for Primero de Mayo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Primero de Mayo

In Primero de Mayo in January, the total precipitation amount is 19 mm (0.8 in), occurring over the course of 5 days.

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 19 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec191229236191925870611312
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Primero de Mayo

In Primero de Mayo in January humidity is 87%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making travel feel a bit sticky and slowing down your movements as you navigate through the area's vibrant streets.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
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 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 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121313131313121187
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.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)19 mm (0.8 inches)87%high
February Weather21°C (70°F)12 mm (0.5 inches)85%very high
March Weather24°C (75°F)29 mm (1.2 inches)83%extreme
April Weather27°C (81°F)23 mm (0.9 inches)84%extreme
May Weather29°C (85°F)61 mm (2.4 inches)85%extreme
June Weather29°C (85°F)91 mm (3.6 inches)79%extreme
July Weather29°C (85°F)92 mm (3.6 inches)71%extreme
August Weather30°C (85°F)58 mm (2.3 inches)72%extreme
September Weather28°C (84°F)70 mm (2.8 inches)80%extreme
October Weather26°C (79°F)61 mm (2.4 inches)85%extreme
November Weather22°C (72°F)13 mm (0.5 inches)88%very high
December Weather20°C (68°F)12 mm (0.5 inches)89%high

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