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January Weather in Santiago Jaltepec, Mexico

Last updated: August 27, 2025

In Santiago Jaltepec, Mexico, the average temperature for January is a comfortable 12°C (54°F). Expect a minimum of -1°C (30°F) and a maximum of 26°C (79°F). During this time, precipitation averages 9 mm (0.4 in) spread over 2 days, while the average humidity sits at a high 84%.

January Temperature in Santiago Jaltepec

In January in Santiago Jaltepec, the average temperature is 12°C (54°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as -1°C (30°F). This variation makes it essential to pack layers for your travels to Santiago Jaltepec during this month.

January Weather in Santiago Jaltepec: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santiago Jaltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Jaltepec, January typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec545861646563616261595654
Data source: Temperature data for Santiago Jaltepec 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 Santiago Jaltepec

In Santiago Jaltepec in January, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in Santiago Jaltepec

The chart displays monthly precipitation patterns in Santiago Jaltepec, 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 Santiago Jaltepec, January typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec9720335014011212914483213
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santiago Jaltepec

In Santiago Jaltepec in January, humidity is 84%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky.

January Average Humidity in Santiago Jaltepec

This chart illustrates the average monthly humidity levels in Santiago Jaltepec, 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 Santiago Jaltepec is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santiago Jaltepec

In Santiago Jaltepec in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santiago Jaltepec.

Maximum UV Index Levels in Santiago Jaltepec for January

The chart shows the monthly maximum UV Index (UVI) for Santiago Jaltepec 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 Santiago Jaltepec typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121415151515141413108
Data source: Santiago Jaltepec 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 Santiago Jaltepec Compares to Other Months

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

This table compares monthly weather conditions in Santiago Jaltepec, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)9 mm (0.4 inches)84%very high
February Weather14°C (58°F)7 mm (0.3 inches)78%extreme
March Weather16°C (61°F)20 mm (0.8 inches)75%extreme
April Weather18°C (64°F)33 mm (1.3 inches)70%extreme
May Weather18°C (65°F)50 mm (2.0 inches)77%extreme
June Weather17°C (63°F)139 mm (5.5 inches)76%extreme
July Weather16°C (62°F)112 mm (4.4 inches)68%extreme
August Weather16°C (62°F)129 mm (5.1 inches)70%extreme
September Weather16°C (61°F)144 mm (5.7 inches)82%extreme
October Weather15°C (59°F)83 mm (3.3 inches)91%extreme
November Weather13°C (56°F)21 mm (0.8 inches)89%very high
December Weather12°C (55°F)3 mm (0.1 inches)88%very high

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