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January Weather in San Julio, Mexico

Last updated: August 27, 2025

In San Julio, Mexico, the average temperature for January hovers around 15°C (59°F). Visitors can expect a comfortable range, with minimum temperatures dipping to 0°C (32°F) and highs reaching up to 32°C (89°F). The month typically sees light precipitation, averaging only 3 mm (0.1 in) over 0 days, while maintaining an average humidity level of 70%.

January Temperature in San Julio

In January in San Julio, the average temperature is 15°C (59°F), with maximums reaching 32°C (89°F) and minimums dropping as low as 0°C (32°F). This climate offers a diverse range of experiences, making it a great destination for travelers seeking both warm and cool weather activities.

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

The chart illustrates January temperature patterns in San Julio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Julio, January typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec596672798587858681766760
Data source: Temperature data for San Julio 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 San Julio

In San Julio in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in San Julio

The chart displays monthly precipitation patterns in San Julio, 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 Julio, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec348241220153631610
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Julio

In San Julio in January, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

January Average Humidity in San Julio

This chart illustrates the average monthly humidity levels in San Julio, 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 Julio is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Julio

In San Julio 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 San Julio.

Maximum UV Index Levels in San Julio for January

The chart shows the monthly maximum UV Index (UVI) for San Julio 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 Julio typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121414131313131186
Data source: San Julio 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 Julio Compares to Other Months

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

This table compares monthly weather conditions in San Julio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)3 mm (0.1 inches)70%high
February Weather19°C (66°F)4 mm (0.2 inches)62%very high
March Weather22°C (73°F)8 mm (0.3 inches)53%extreme
April Weather26°C (79°F)2 mm (0.1 inches)48%extreme
May Weather29°C (85°F)4 mm (0.1 inches)52%extreme
June Weather30°C (87°F)12 mm (0.5 inches)64%extreme
July Weather30°C (85°F)20 mm (0.8 inches)73%extreme
August Weather30°C (86°F)15 mm (0.6 inches)71%extreme
September Weather27°C (81°F)36 mm (1.4 inches)82%extreme
October Weather24°C (76°F)31 mm (1.2 inches)83%extreme
November Weather19°C (67°F)6 mm (0.3 inches)82%very high
December Weather16°C (60°F)10 mm (0.4 inches)84%high

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