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May Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In Santa Barbara, Mexico, the average temperature in May hovers around 20°C (68°F), making it a pleasant time to visit. However, be prepared for a temperature range that can dip to a minimum of 7°C (45°F) and soar up to a maximum of 33°C (91°F). Expect around 52 mm (2.0 in) of precipitation over 8 days, contributing to an average humidity level of 67%.

May Temperature in Santa Barbara

In May in Santa Barbara, the average temperature is 20°C (68°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 7°C (45°F). This pleasant climate makes Santa Barbara an ideal destination for travel during this time.

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 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°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.

May Precipitation in Santa Barbara

In Santa Barbara in May, the total precipitation amount is 52 mm (2.0 in) recorded over a span of 8 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 52 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10131795218017213318576228
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Barbara

In Santa Barbara in May humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141413108
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 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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