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January Weather in San Jacinto, Mexico

Last updated: August 27, 2025

In San Jacinto, Mexico, the average temperature in January hovers around 15°C (59°F). Expect a minimum chill of -1°C (30°F) and occasional highs reaching 30°C (86°F). Precipitation is minimal, with only 6 mm (0.2 in) expected across 0 days. The air will feel comfortably moist, with an average humidity of 70%.

January Temperature in San Jacinto

In January in San Jacinto, the average temperature is 15°C (59°F). Maximums can reach 30°C (86°F) and minimums can be as low as -1°C (30°F). Be prepared for a wide range of temperatures while traveling, ensuring you pack clothing suitable for both warm days and cooler nights.

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

The chart illustrates January temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, January typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec586570778283808176736660
Data source: Temperature data for San Jacinto 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 Jacinto

In San Jacinto in January, the total precipitation amount is 6 mm (0.2 in), spread over a duration of 0 days.

January Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 Jacinto, January typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec669372449326137613
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Jacinto

In San Jacinto 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 Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 Jacinto 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 Jacinto

In San Jacinto 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 Jacinto.

Maximum UV Index Levels in San Jacinto for January

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 Jacinto typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121413131313131187
Data source: San Jacinto 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 Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)6 mm (0.2 inches)70%high
February Weather18°C (65°F)6 mm (0.2 inches)62%very high
March Weather21°C (71°F)9 mm (0.3 inches)53%extreme
April Weather25°C (77°F)3 mm (0.1 inches)48%extreme
May Weather28°C (82°F)7 mm (0.3 inches)52%extreme
June Weather28°C (83°F)24 mm (0.9 inches)64%extreme
July Weather27°C (81°F)49 mm (1.9 inches)73%extreme
August Weather27°C (81°F)32 mm (1.2 inches)71%extreme
September Weather25°C (76°F)61 mm (2.4 inches)82%extreme
October Weather23°C (73°F)37 mm (1.4 inches)83%extreme
November Weather19°C (66°F)6 mm (0.2 inches)82%very high
December Weather15°C (60°F)13 mm (0.5 inches)84%high

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