January Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In Santa Barbara, Mexico, the average temperature in January hovers around 10°C (50°F). However, temperatures can vary significantly, ranging from a chilly -5°C (24°F) to a warm 25°C (78°F). Expect some light rain, with an average precipitation of 6 mm (0.2 in) spread across just 1 day. The air tends to be quite moist, with average humidity levels reaching 75%.

January Temperature in Santa Barbara

In January in Santa Barbara, the average temperature is 10°C (50°F), with maximums reaching up to 25°C (78°F) and minimums dropping as low as -5°C (24°F). This variability in temperature makes Santa Barbara an intriguing destination for travelers who enjoy diverse weather conditions.

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 10°C (50°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Santa Barbara generated using information from the Copernicus Climate Change Service.

January Precipitation in Santa Barbara

In Santa Barbara in January, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

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 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Santa Barbara

In Santa Barbara in January humidity is 75%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and necessitating extra layers for warmth and comfort.

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 75%, offering insight into how humid the weather typically is during this month.

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 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 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 7, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	6 mm (0.2 inches)	75%	high
February Weather	12°C (54°F)	7 mm (0.3 inches)	65%	very high
March Weather	16°C (60°F)	7 mm (0.3 inches)	58%	extreme
April Weather	19°C (67°F)	5 mm (0.2 inches)	48%	extreme
May Weather	22°C (73°F)	8 mm (0.3 inches)	48%	extreme
June Weather	25°C (76°F)	39 mm (1.6 inches)	54%	extreme
July Weather	22°C (72°F)	109 mm (4.3 inches)	72%	extreme
August Weather	22°C (72°F)	92 mm (3.6 inches)	77%	extreme
September Weather	20°C (67°F)	126 mm (5.0 inches)	86%	extreme
October Weather	18°C (64°F)	42 mm (1.7 inches)	82%	extreme
November Weather	14°C (57°F)	20 mm (0.8 inches)	85%	very high
December Weather	10°C (50°F)	20 mm (0.8 inches)	87%	high