January Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In Santa Barbara, Mexico, the average temperature in January hovers around 11°C (52°F). Expect min temperatures to dip as low as -3°C (27°F), while highs can reach 24°C (75°F). During this month, precipitation is typically around 12 mm (0.5 in) over the course of 3 days, contributing to an average humidity of 84%.

January Temperature in Santa Barbara

In January in Santa Barbara, the average temperature is 11°C (52°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -3°C (27°F). This varied climate makes Santa Barbara an ideal destination for travelers seeking both mild days and chilly nights.

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

The chart illustrates January temperature patterns in Santa Barbara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Barbara, January typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec515558606260595959575452
Data source: Temperature data for Santa Barbara 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 Santa Barbara

In Santa Barbara in January, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

January Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, 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 Barbara, January typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec13924436015512015516084257
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santa Barbara

In Santa Barbara in January, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

January Average Humidity in Santa Barbara

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

In Santa Barbara in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santa Barbara.

Maximum UV Index Levels in Santa Barbara for January

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara 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 Barbara typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Santa Barbara 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 Barbara Compares to Other Months

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

This table compares monthly weather conditions in Santa Barbara, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)12 mm (0.5 inches)84%very high
February Weather13°C (55°F)9 mm (0.4 inches)78%extreme
March Weather14°C (58°F)24 mm (0.9 inches)75%extreme
April Weather16°C (61°F)43 mm (1.7 inches)70%extreme
May Weather16°C (62°F)60 mm (2.4 inches)77%extreme
June Weather16°C (61°F)155 mm (6.1 inches)76%extreme
July Weather15°C (59°F)120 mm (4.7 inches)68%extreme
August Weather15°C (59°F)155 mm (6.1 inches)70%extreme
September Weather15°C (59°F)160 mm (6.3 inches)82%extreme
October Weather14°C (57°F)84 mm (3.3 inches)91%extreme
November Weather12°C (54°F)25 mm (1.0 inches)89%very high
December Weather11°C (53°F)7 mm (0.3 inches)88%very high

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