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January Weather in San Juanito, Mexico

Last updated: August 27, 2025

In January, the average temperature in San Juanito, Mexico hovers around 5°C (42°F), with extremes ranging from a brisk -12°C (10°F) to a surprisingly warm 21°C (69°F). Expect about 17 mm (0.7 in) of precipitation over 3 days, along with an average humidity level of 74%. Stay prepared for a mix of chilly and mild weather!

January Temperature in San Juanito

In January in San Juanito, the average temperature is 5°C (42°F). Maximum temperatures can reach 21°C (69°F), while minimums can drop as low as -12°C (10°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your trip.

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

The chart illustrates January temperature patterns in San Juanito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juanito, January typically has an average temperature of 5°C (42°F), with highs reaching up to 21°C (69°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec424449556166636360564943
Data source: Temperature data for San Juanito 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 Juanito

In San Juanito in January, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

January Precipitation Trends in San Juanito

The chart displays monthly precipitation patterns in San Juanito, 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 Juanito, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1727256958231212111512124
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Juanito

In San Juanito in January, humidity is 74%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your clothes, making outdoor activities somewhat uncomfortable and necessitating extra layers to keep warm while exploring.

January Average Humidity in San Juanito

This chart illustrates the average monthly humidity levels in San Juanito, 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 Juanito is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Juanito

In San Juanito 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 Juanito.

Maximum UV Index Levels in San Juanito for January

The chart shows the monthly maximum UV Index (UVI) for San Juanito 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 Juanito typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111414141413131186
Data source: San Juanito 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 Juanito Compares to Other Months

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

This table compares monthly weather conditions in San Juanito, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)17 mm (0.7 inches)74%high
February Weather7°C (44°F)27 mm (1.1 inches)67%very high
March Weather10°C (49°F)25 mm (1.0 inches)60%extreme
April Weather13°C (55°F)6 mm (0.2 inches)51%extreme
May Weather16°C (61°F)9 mm (0.4 inches)47%extreme
June Weather19°C (67°F)58 mm (2.3 inches)50%extreme
July Weather17°C (63°F)231 mm (9.1 inches)70%extreme
August Weather17°C (63°F)212 mm (8.4 inches)81%extreme
September Weather16°C (60°F)111 mm (4.4 inches)82%extreme
October Weather13°C (56°F)51 mm (2.0 inches)78%extreme
November Weather10°C (50°F)21 mm (0.8 inches)78%very high
December Weather6°C (43°F)24 mm (0.9 inches)80%high

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