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August Weather in Central Islip, United States

Last updated: June 24, 2025

In August, the average temperature in Central Islip, United States hovers around 24°C (75°F). You can expect a minimum of 17°C (63°F) and a peak at 30°C (87°F). With an average humidity of 65%, the region experiences 109 mm (4.3 in) of precipitation spread over 12 days, ensuring the air feels pleasantly refreshing.

August Temperature in Central Islip

In August in Central Islip, the average temperature is 24°C (75°F), with maximums reaching 30°C (87°F) and minimums dropping to as low as 17°C (63°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

August Weather in Central Islip: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Central Islip, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Central Islip, August typically has an average temperature of 24°C (75°F), with highs reaching up to 30°C (87°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740485768757570614941
Data source: Temperature data for Central Islip 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 Central Islip

In Central Islip in August, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

August Precipitation Trends in Central Islip

The chart displays monthly precipitation patterns in Central Islip, 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 Central Islip, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec831181071301238613010996142105138
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Central Islip

In Central Islip in August humidity is 65%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a bit sticky but still enjoyable for exploring sights and sounds.

August Average Humidity in Central Islip

This chart illustrates the average monthly humidity levels in Central Islip, 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 Central Islip is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Central Islip

In Central Islip in August, 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 Central Islip.

Maximum UV Index Levels in Central Islip for August

The chart shows the monthly maximum UV Index (UVI) for Central Islip 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 Central Islip typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Central Islip 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 Central Islip Compares to Other Months

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

This table compares monthly weather conditions in Central Islip, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)82 mm (3.2 inches)84%moderate
February Weather3°C (37°F)118 mm (4.6 inches)82%moderate
March Weather5°C (41°F)107 mm (4.2 inches)81%high
April Weather9°C (49°F)130 mm (5.1 inches)78%very high
May Weather14°C (58°F)123 mm (4.9 inches)69%very high
June Weather20°C (68°F)86 mm (3.4 inches)69%very high
July Weather24°C (76°F)130 mm (5.1 inches)62%very high
August Weather24°C (75°F)109 mm (4.3 inches)65%very high
September Weather21°C (70°F)96 mm (3.8 inches)68%very high
October Weather16°C (61°F)142 mm (5.6 inches)74%high
November Weather9°C (49°F)105 mm (4.1 inches)82%moderate
December Weather5°C (41°F)138 mm (5.4 inches)80%low

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