nomadseason

April Weather in Brookhaven, United States

Last updated: June 24, 2025

In April, the average temperature in Brookhaven, United States hovers around 11°C (53°F), offering a refreshing atmosphere. Prepare for a temperature range that can dip as low as -5°C (23°F) and peak at 29°C (84°F). With 145 mm (5.7 in) of precipitation spread over 16 days, it's wise to keep an umbrella handy. Additionally, the air carries a notable average humidity of 86%, adding a touch of dampness to the air.

April Temperature in Brookhaven

In April in Brookhaven, the average temperature is a mild 11°C (53°F). Maximum temperatures can reach up to 29°C (84°F), while minimums can drop as low as -5°C (23°F). Be prepared for a range of weather when traveling during this month, bringing both light clothing and warmer layers.

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

The chart illustrates April temperature patterns in Brookhaven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brookhaven, April typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec333743526369747267574338
Data source: Temperature data for Brookhaven generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Brookhaven

In Brookhaven in April, the precipitation amount is 145 mm (5.7 in) spread over 16 days, indicating a moderately wet period for the region.

April Precipitation Trends in Brookhaven

The chart displays monthly precipitation patterns in Brookhaven, 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 Brookhaven, April typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9315011814515616113011711411790130
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Brookhaven

In Brookhaven in April, humidity is 86%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket that dampens the air, making traveling uncomfortable and a bit stifling.

April Average Humidity in Brookhaven

This chart illustrates the average monthly humidity levels in Brookhaven, 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 Brookhaven is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Brookhaven

In Brookhaven in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Brookhaven.

Maximum UV Index Levels in Brookhaven for April

The chart shows the monthly maximum UV Index (UVI) for Brookhaven 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 Brookhaven typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Brookhaven 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 Brookhaven Compares to Other Months

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

This table compares monthly weather conditions in Brookhaven, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)93 mm (3.7 inches)88%moderate
February Weather3°C (38°F)150 mm (5.9 inches)88%moderate
March Weather6°C (44°F)118 mm (4.7 inches)88%high
April Weather11°C (53°F)145 mm (5.7 inches)86%very high
May Weather17°C (63°F)156 mm (6.1 inches)82%very high
June Weather21°C (70°F)161 mm (6.3 inches)84%very high
July Weather23°C (74°F)130 mm (5.1 inches)82%very high
August Weather22°C (72°F)117 mm (4.6 inches)73%very high
September Weather20°C (68°F)114 mm (4.5 inches)73%very high
October Weather14°C (58°F)117 mm (4.6 inches)81%high
November Weather6°C (43°F)90 mm (3.5 inches)89%moderate
December Weather3°C (38°F)130 mm (5.1 inches)86%moderate

Compare Brookhaven's Climate with Cities Worldwide