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January Weather in San Bartolo, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Bartolo, Mexico hovers around 16°C (61°F). Expect a temperature range where the minimum can dip to 4°C (40°F) and the maximum can soar to 34°C (93°F). During this month, you'll encounter approximately 23 mm (0.9 in) of precipitation spread over 5 days, with an average humidity level of 75%.

January Temperature in San Bartolo

In January, in San Bartolo, the average temperature is 16°C (61°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 4°C (40°F). This variation makes San Bartolo an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates January temperature patterns in San Bartolo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bartolo, January typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec616570757978777775726662
Data source: Temperature data for San Bartolo 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 Bartolo

In San Bartolo in January, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

January Precipitation Trends in San Bartolo

The chart displays monthly precipitation patterns in San Bartolo, 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 Bartolo, January typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec232029225275725390942918
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Bartolo

In San Bartolo in January humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

January Average Humidity in San Bartolo

This chart illustrates the average monthly humidity levels in San Bartolo, 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 Bartolo is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%69%65%64%75%78%67%64%82%86%87%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Bartolo

In San Bartolo in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Bartolo.

Maximum UV Index Levels in San Bartolo for January

The chart shows the monthly maximum UV Index (UVI) for San Bartolo 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 Bartolo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131314131413131297
Data source: San Bartolo 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 Bartolo Compares to Other Months

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

This table compares monthly weather conditions in San Bartolo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)23 mm (0.9 inches)75%very high
February Weather18°C (65°F)20 mm (0.8 inches)69%very high
March Weather21°C (70°F)29 mm (1.1 inches)65%extreme
April Weather24°C (75°F)22 mm (0.9 inches)64%extreme
May Weather26°C (79°F)52 mm (2.1 inches)75%extreme
June Weather26°C (78°F)75 mm (3.0 inches)78%extreme
July Weather25°C (78°F)72 mm (2.8 inches)67%extreme
August Weather25°C (78°F)53 mm (2.1 inches)64%extreme
September Weather24°C (76°F)90 mm (3.6 inches)81%extreme
October Weather22°C (72°F)94 mm (3.7 inches)85%extreme
November Weather19°C (66°F)29 mm (1.1 inches)87%very high
December Weather17°C (62°F)18 mm (0.7 inches)87%high

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