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August Weather in Brighton, United States

Last updated: June 24, 2025

In August, the average temperature in Brighton, United States hovers around 27°C (80°F), making it a warm destination. You can expect the temperature to range from a cool 16°C (61°F) to a sizzling 37°C (99°F). During this time, precipitation averages 127 mm (5.0 in) over 14 days, complemented by an average humidity of 72%. Overall, it's a season of warmth and moisture!

August Temperature in Brighton

In August, in Brighton, the average temperature is 27°C (80°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 16°C (61°F). This pleasant climate makes Brighton an ideal destination for travelers seeking warm weather and outdoor activities.

August Weather in Brighton: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brighton, August typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec465258637277818077675349
Data source: Temperature data for Brighton 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.

August Precipitation in Brighton

In Brighton in August, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.

August Precipitation Trends in Brighton

The chart displays monthly precipitation patterns in Brighton, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Brighton, August typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111651471471011461071278512779141
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Brighton

In Brighton in August humidity is 72%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace that can make outdoor activities exhausting and often requires frequent breaks in the shade for travelers to stay comfortable.

August Average Humidity in Brighton

This chart illustrates the average monthly humidity levels in Brighton, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Brighton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Brighton

In Brighton in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Brighton.

Maximum UV Index Levels in Brighton for August

The chart shows the monthly maximum UV Index (UVI) for Brighton in August, 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 August, the maximum UV index in Brighton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Brighton August 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 August Weather in Brighton Compares to Other Months

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

This table compares monthly weather conditions in Brighton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)111 mm (4.4 inches)85%moderate
February Weather11°C (52°F)165 mm (6.5 inches)84%high
March Weather15°C (58°F)147 mm (5.8 inches)82%very high
April Weather17°C (63°F)147 mm (5.8 inches)82%very high
May Weather22°C (72°F)101 mm (4.0 inches)81%extreme
June Weather25°C (78°F)146 mm (5.8 inches)77%extreme
July Weather27°C (81°F)107 mm (4.2 inches)77%extreme
August Weather27°C (80°F)127 mm (5.0 inches)72%extreme
September Weather25°C (77°F)85 mm (3.4 inches)73%very high
October Weather20°C (67°F)127 mm (5.0 inches)73%high
November Weather12°C (53°F)79 mm (3.1 inches)85%high
December Weather10°C (50°F)141 mm (5.5 inches)88%moderate

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