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January Weather in San Ramon, Mexico

Last updated: August 27, 2025

In San Ramon, Mexico, the average temperature in January hovers around 12°C (54°F), with temperatures ranging from a chilly -2°C (29°F) to a warm 26°C (78°F). During this month, you can expect about 17 mm (0.7 in) of precipitation over 2 days, contributing to an average humidity of 71%. Enjoy the diverse weather!

January Temperature in San Ramon

In January in San Ramon, the average temperature is 12°C (54°F). The maximum can reach 26°C (78°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a mix of mild days and chilly nights when traveling to San Ramon during this time.

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

The chart illustrates January temperature patterns in San Ramon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ramon, January typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec545763667069666664625854
Data source: Temperature data for San Ramon 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 Ramon

In San Ramon in January, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

January Precipitation Trends in San Ramon

The chart displays monthly precipitation patterns in San Ramon, 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 Ramon, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec179672611014989148481612
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Ramon

In San Ramon in January humidity is 71%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring the area, as the cool air can be refreshing yet slightly uncomfortable without proper attire for outdoor activities.

January Average Humidity in San Ramon

This chart illustrates the average monthly humidity levels in San Ramon, 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 Ramon is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Ramon

In San Ramon 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 San Ramon.

Maximum UV Index Levels in San Ramon for January

The chart shows the monthly maximum UV Index (UVI) for San Ramon 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 Ramon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: San Ramon 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 Ramon Compares to Other Months

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

This table compares monthly weather conditions in San Ramon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)17 mm (0.7 inches)71%very high
February Weather14°C (58°F)9 mm (0.4 inches)64%extreme
March Weather17°C (63°F)6 mm (0.2 inches)49%extreme
April Weather19°C (66°F)7 mm (0.3 inches)47%extreme
May Weather21°C (70°F)26 mm (1.0 inches)55%extreme
June Weather20°C (69°F)110 mm (4.3 inches)77%extreme
July Weather19°C (66°F)149 mm (5.9 inches)82%extreme
August Weather19°C (67°F)89 mm (3.5 inches)83%extreme
September Weather18°C (64°F)148 mm (5.8 inches)86%extreme
October Weather17°C (62°F)48 mm (1.9 inches)83%extreme
November Weather14°C (58°F)16 mm (0.6 inches)80%very high
December Weather12°C (54°F)12 mm (0.5 inches)83%very high

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