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May Weather in Santa Barbara, Guatemala

Last updated: August 23, 2025

In May, the average temperature in Santa Barbara, Guatemala is a pleasant 24°C (76°F). However, temperatures can fluctuate, with a minimum of 19°C (66°F) and a maximum soaring to 32°C (90°F). Expect a precipitation total of 480 mm (18.9 in) over the month, accompanied by an average humidity level of 65%.

May Temperature in Santa Barbara

In May in Santa Barbara, the average temperature is 24°C (76°F). Maximums can reach 32°C (90°F) and minimums can be as low as 19°C (66°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the local attractions.

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 32°C (90°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec737475767575757574747473
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 480 mm (18.9 in) during a period of 30 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 480 mm (18.9 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec31205114748045635541448452319838
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 65%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket—it can make outdoor activities a bit sticky, necessitating plenty of hydration breaks and perhaps a leisurely pace while touring.

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 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
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.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131312109
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 Weather23°C (73°F)31 mm (1.2 inches)76%extreme
February Weather23°C (75°F)20 mm (0.8 inches)68%extreme
March Weather24°C (76°F)51 mm (2.0 inches)59%extreme
April Weather24°C (76°F)147 mm (5.8 inches)57%extreme
May Weather24°C (76°F)480 mm (18.9 inches)65%extreme
June Weather24°C (75°F)456 mm (18.0 inches)66%extreme
July Weather24°C (75°F)355 mm (14.0 inches)75%extreme
August Weather24°C (75°F)414 mm (16.3 inches)82%extreme
September Weather23°C (74°F)484 mm (19.1 inches)82%extreme
October Weather23°C (74°F)523 mm (20.6 inches)83%extreme
November Weather23°C (74°F)198 mm (7.8 inches)80%very high
December Weather23°C (73°F)38 mm (1.5 inches)76%very high

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