May Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Barbara, Mexico hovers around 24°C (76°F), offering a delightful climate for exploration. Expect a minimum temperature of 11°C (51°F) and a maximum that can soar to 37°C (99°F). With precipitation totaling 23 mm (0.9 in) over the course of 4 days, you may encounter occasional showers. The overall average humidity sits at a comfortable 67%, perfect for enjoying the vibrant surroundings!

May Temperature in Santa Barbara

In May in Santa Barbara, the average temperature is 24°C (76°F). Maximums can reach 37°C (99°F) and minimums can be as low as 11°C (51°F). This range makes Santa Barbara an ideal destination for travelers who enjoy warm weather while having the option for cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec606470737574697068686460
Data source: Temperature data for Santa Barbara 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.

May Precipitation in Santa Barbara

In Santa Barbara in May, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

May Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Santa Barbara, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec99422313716913112948145
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Santa Barbara

In Santa Barbara in May humidity is 67%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace, making travel slightly more challenging as you navigate through the thick air.

May Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Santa Barbara is approximately 67%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Barbara

In Santa Barbara in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara in May, 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 May, the maximum UV index in Santa Barbara typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414151414141312108
Data source: Santa Barbara May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)9 mm (0.3 inches)74%very high
February Weather18°C (64°F)9 mm (0.3 inches)65%extreme
March Weather21°C (70°F)4 mm (0.2 inches)58%extreme
April Weather23°C (73°F)2 mm (0.1 inches)58%extreme
May Weather24°C (76°F)23 mm (0.9 inches)67%extreme
June Weather23°C (74°F)137 mm (5.4 inches)76%extreme
July Weather21°C (70°F)169 mm (6.6 inches)67%extreme
August Weather21°C (70°F)131 mm (5.1 inches)68%extreme
September Weather20°C (69°F)129 mm (5.1 inches)81%extreme
October Weather20°C (68°F)48 mm (1.9 inches)83%extreme
November Weather18°C (64°F)14 mm (0.6 inches)84%very high
December Weather15°C (60°F)5 mm (0.2 inches)81%very high

Compare Santa Barbara's Climate with Cities Worldwide