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April Weather in Santa Barbara, Puerto Rico

Last updated: August 31, 2025

In April, the average temperature in Santa Barbara, Puerto Rico hovers around 26°C (78°F), providing a pleasant climate for outdoor activities. Expect minimum temperatures of 22°C (71°F) and highs reaching 31°C (88°F). The month sees approximately 56 mm (2.2 in) of precipitation spread over 10 days, contributing to an average humidity of 75%. Whether you're seeking adventure or relaxation, the weather offers something for everyone!

April Temperature in Santa Barbara

In April in Santa Barbara, the average temperature is 26°C (78°F). Maximums can reach 31°C (88°F), and minimums can drop to as low as 22°C (71°F). This pleasant weather makes Santa Barbara an ideal destination for travelers looking to enjoy a warm climate.

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 26°C (78°F), with highs reaching up to 31°C (88°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec777677788081828282817978
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.

April Precipitation in Santa Barbara

In Santa Barbara in April, the precipitation amount is 56 mm (2.2 in) over the course of 10 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 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec394367566468879917314510651
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Santa Barbara

In Santa Barbara in April, humidity is 75%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit challenging, as the air can feel heavy and sticky, often leading to a need for frequent breaks to hydrate and find cooler spots to relax.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131213131298
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.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)38 mm (1.5 inches)76%very high
February Weather25°C (77°F)43 mm (1.7 inches)75%extreme
March Weather25°C (77°F)67 mm (2.6 inches)74%extreme
April Weather26°C (78°F)56 mm (2.2 inches)75%extreme
May Weather27°C (80°F)64 mm (2.5 inches)75%extreme
June Weather27°C (81°F)68 mm (2.7 inches)77%extreme
July Weather28°C (82°F)87 mm (3.4 inches)80%extreme
August Weather28°C (82°F)99 mm (3.9 inches)80%extreme
September Weather28°C (82°F)173 mm (6.8 inches)79%extreme
October Weather27°C (81°F)145 mm (5.7 inches)78%extreme
November Weather26°C (80°F)106 mm (4.2 inches)78%very high
December Weather26°C (78°F)51 mm (2.0 inches)76%very high

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