May Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In Santa Barbara, Mexico, the average temperature in May hovers around 25°C (78°F). Expect a minimum of 10°C (50°F) and a maximum reaching up to 38°C (101°F). During this month, precipitation averages 7 mm (0.3 in) over 2 days, accompanied by an average humidity of 52%. Stay prepared for warm and varied weather!

May Temperature in Santa Barbara

In May in Santa Barbara, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F) and minimums can be as low as 10°C (50°F). This climate makes Santa Barbara an ideal destination for travelers seeking warm weather, but it's advisable to pack layers for the 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 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec556066727779767671686356
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 precipitation amount is 7 mm (0.3 in) over a period of 2 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 7 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec5783731806210444713
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 52%. With an average temperature of 25°C (78°F), this humidity feels like walking through a soft, warm veil, making traveling quite pleasant as the air maintains a comfortable embrace without being overly sticky or oppressive.

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 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
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 is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Barbara, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121414131313131197
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 Weather13°C (56°F)5 mm (0.2 inches)70%high
February Weather16°C (61°F)7 mm (0.3 inches)62%very high
March Weather19°C (67°F)8 mm (0.3 inches)53%extreme
April Weather22°C (72°F)3 mm (0.1 inches)48%extreme
May Weather25°C (78°F)7 mm (0.3 inches)52%extreme
June Weather26°C (80°F)31 mm (1.2 inches)64%extreme
July Weather24°C (76°F)80 mm (3.2 inches)73%extreme
August Weather24°C (76°F)62 mm (2.4 inches)71%extreme
September Weather22°C (72°F)104 mm (4.1 inches)82%extreme
October Weather20°C (69°F)44 mm (1.7 inches)83%extreme
November Weather17°C (63°F)7 mm (0.3 inches)82%very high
December Weather13°C (56°F)13 mm (0.5 inches)84%high

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