nomadseason

January Weather in Santa Rosa, Mexico

Last updated: August 27, 2025

In January, the average temperature in Santa Rosa, Mexico hovers around 11°C (52°F), with a minimum dipping to -4°C (25°F) and a pleasant maximum reaching 25°C (78°F). Expect a total precipitation of 17 mm (0.7 in) over 2 days, accompanied by an average humidity of 71%, setting the stage for a moderately cool atmosphere.

January Temperature in Santa Rosa

In January in Santa Rosa, the average temperature is 11°C (52°F). Maximum temperatures can reach as high as 25°C (78°F), while the minimum can drop to a chilly -4°C (25°F). This variation in weather makes it essential for travelers to pack layers to stay comfortable during their visit.

January Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, January typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec525661656869656563615752
Data source: Temperature data for Santa Rosa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Santa Rosa

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

January Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1711651994182100141551712
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Santa Rosa

In Santa Rosa in January, humidity is 71%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your clothes, making outdoor exploration less enjoyable and encouraging frequent breaks in cozy cafes or sheltered spots.

January Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa 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 Santa Rosa

In Santa Rosa 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 Santa Rosa.

Maximum UV Index Levels in Santa Rosa for January

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8111315151414141412108
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)17 mm (0.7 inches)71%very high
February Weather13°C (56°F)11 mm (0.4 inches)64%extreme
March Weather16°C (62°F)6 mm (0.2 inches)49%extreme
April Weather18°C (65°F)5 mm (0.2 inches)47%extreme
May Weather20°C (69°F)19 mm (0.8 inches)55%extreme
June Weather20°C (69°F)94 mm (3.7 inches)77%extreme
July Weather18°C (65°F)182 mm (7.2 inches)82%extreme
August Weather19°C (66°F)100 mm (3.9 inches)83%extreme
September Weather17°C (63°F)141 mm (5.6 inches)86%extreme
October Weather16°C (61°F)55 mm (2.1 inches)83%extreme
November Weather14°C (57°F)17 mm (0.7 inches)80%very high
December Weather11°C (52°F)12 mm (0.5 inches)83%very high

Compare Santa Rosa's Climate with Cities Worldwide