April Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In April, the average temperature in Santa Barbara, Mexico is a pleasant 18°C (65°F). You can expect a range from a cool 5°C (41°F) to a warm 32°C (90°F). With 9 mm (0.4 in) of precipitation spread over 2 days, the average humidity hovers around 58%, making it an enjoyable time to experience the local climate!

April Temperature in Santa Barbara

In April in Santa Barbara, the average temperature is 18°C (65°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 5°C (41°F). Be prepared for a range of temperatures, making it a great time for travelers to enjoy both warm days and cooler nights.

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

The chart illustrates April 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, April typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (41°F).

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

April Precipitation in Santa Barbara

In Santa Barbara in April, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

April Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Santa Barbara, April typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Santa Barbara

In Santa Barbara in April humidity is 58%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, creating a comfortable yet slightly muggy atmosphere perfect for leisurely exploration.

April Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Santa Barbara is approximately 58%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Santa Barbara

In Santa Barbara in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Barbara.

Maximum UV Index Levels in Santa Barbara for April

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara in April, 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 April, the maximum UV index in Santa Barbara typically reaches 15, which falls under the extreme exposure category.

Data source: Santa Barbara April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	10 mm (0.4 inches)	74%	very high
February Weather	14°C (58°F)	13 mm (0.5 inches)	65%	extreme
March Weather	17°C (62°F)	16 mm (0.6 inches)	58%	extreme
April Weather	18°C (65°F)	9 mm (0.4 inches)	58%	extreme
May Weather	20°C (68°F)	52 mm (2.0 inches)	67%	extreme
June Weather	19°C (66°F)	180 mm (7.1 inches)	76%	extreme
July Weather	17°C (64°F)	172 mm (6.8 inches)	67%	extreme
August Weather	18°C (64°F)	133 mm (5.2 inches)	68%	extreme
September Weather	17°C (63°F)	185 mm (7.3 inches)	81%	extreme
October Weather	16°C (61°F)	75 mm (3.0 inches)	83%	extreme
November Weather	14°C (57°F)	22 mm (0.9 inches)	84%	very high
December Weather	12°C (54°F)	8 mm (0.3 inches)	81%	very high