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April Weather in Brentwood, United States

Last updated: June 24, 2025

In April, the average temperature in Brentwood, United States hovers around 15°C (59°F), with a range that can dip as low as -1°C (30°F) and soar to 31°C (89°F). During this time, expect approximately 148 mm (5.8 in) of precipitation spread over 12 days, contributing to an average humidity of 82%. Whether you're enjoying a sunny day or braving the occasional rain shower, be prepared for a dynamic climate!

April Temperature in Brentwood

In April in Brentwood, the average temperature is 15°C (59°F), with maximums reaching 31°C (89°F) and minimums dropping as low as -1°C (30°F). This diverse weather makes it crucial for travelers to pack for both warm and chilly conditions.

April Weather in Brentwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Brentwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brentwood, April typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec414553597077807874634845
Data source: Temperature data for Brentwood 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 Brentwood

In Brentwood in April, the precipitation amount is 148 mm (5.8 in), which falls over a span of 12 days.

April Precipitation Trends in Brentwood

The chart displays monthly precipitation patterns in Brentwood, 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 Brentwood, April typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10317917014811614214113312813881151
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Brentwood

In Brentwood in April, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

April Average Humidity in Brentwood

This chart illustrates the average monthly humidity levels in Brentwood, 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 Brentwood is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Brentwood

In Brentwood in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Brentwood.

Maximum UV Index Levels in Brentwood for April

The chart shows the monthly maximum UV Index (UVI) for Brentwood 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 Brentwood typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Brentwood 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 Brentwood Compares to Other Months

Weather in Brentwood varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Brentwood, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brentwood, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)103 mm (4.0 inches)87%moderate
February Weather7°C (45°F)179 mm (7.0 inches)87%high
March Weather11°C (53°F)170 mm (6.7 inches)85%high
April Weather15°C (59°F)148 mm (5.8 inches)82%very high
May Weather21°C (70°F)116 mm (4.6 inches)83%very high
June Weather25°C (77°F)142 mm (5.6 inches)82%extreme
July Weather27°C (80°F)141 mm (5.5 inches)78%extreme
August Weather26°C (78°F)133 mm (5.2 inches)67%very high
September Weather23°C (74°F)128 mm (5.0 inches)64%very high
October Weather17°C (63°F)138 mm (5.4 inches)74%high
November Weather9°C (49°F)81 mm (3.2 inches)87%moderate
December Weather7°C (46°F)150 mm (5.9 inches)88%moderate

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