January Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In January, the average temperature in Santa Barbara, Mexico hovers around 12°C (54°F). Expect a minimum chill of -1°C (30°F) and a warm maximum of 25°C (77°F). With an average humidity of 74%, conditions can feel quite moist, complemented by a modest precipitation amount of 10 mm (0.4 in) spread over 2 days. Prepare accordingly for a varied climate!

January Temperature in Santa Barbara

In January in Santa Barbara, the average temperature is 12°C (54°F). Maximums can reach 25°C (77°F), while minimums can dip as low as -1°C (30°F). This diverse temperature range makes Santa Barbara an ideal destination for travelers seeking a mix of comfortable days and cool, crisp evenings.

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 12°C (54°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec535762656866636462605654
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 10 mm (0.4 in) over a period of 2 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 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec10131795218017213318576228
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 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%58%58%67%76%67%68%81%83%84%81%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141413108
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 Weather12°C (54°F)10 mm (0.4 inches)74%very high
February Weather14°C (58°F)13 mm (0.5 inches)65%extreme
March Weather17°C (62°F)16 mm (0.6 inches)58%extreme
April Weather18°C (65°F)9 mm (0.4 inches)58%extreme
May Weather20°C (68°F)52 mm (2.0 inches)67%extreme
June Weather19°C (66°F)180 mm (7.1 inches)76%extreme
July Weather17°C (64°F)172 mm (6.8 inches)67%extreme
August Weather18°C (64°F)133 mm (5.2 inches)68%extreme
September Weather17°C (63°F)185 mm (7.3 inches)81%extreme
October Weather16°C (61°F)75 mm (3.0 inches)83%extreme
November Weather14°C (57°F)22 mm (0.9 inches)84%very high
December Weather12°C (54°F)8 mm (0.3 inches)81%very high

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