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July Weather in West Islip, United States

Last updated: June 24, 2025

In July, the average temperature in West Islip, United States is a pleasant 24°C (76°F). However, you can expect variations, with minimum temperatures dipping to 17°C (62°F) and maximums soaring to 32°C (90°F). During this time, the region experiences an average precipitation of 130 mm (5.1 in) over approximately 11 rainy days, contributing to an average humidity level of 62%.

July Temperature in West Islip

In July in West Islip, the average temperature is 24°C (76°F), with maximums reaching up to 32°C (90°F) and minimums dipping as low as 17°C (62°F). This pleasant climate makes it an ideal time for traveling and exploring all that West Islip has to offer.

July Weather in West Islip: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in West Islip, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Islip, July typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (90°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740485768757570614941
Data source: Temperature data for West 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.

July Precipitation in West Islip

In West Islip in July, the total precipitation amount is 130 mm (5.1 in) occurring over 11 days.

July Precipitation Trends in West Islip

The chart displays monthly precipitation patterns in West Islip, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In West Islip, July typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec831181071301238613010996142105138
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in West Islip

In West Islip in July, humidity is 62%. With an average temperature of 24°C (76°F), this humidity feels like a warm, slightly sticky embrace, making it essential for travelers to stay hydrated and take breaks in the shade as they explore the vibrant surroundings.

July Average Humidity in West Islip

This chart illustrates the average monthly humidity levels in West Islip, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in West Islip is approximately 62%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in West Islip

In West Islip in July, 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 West Islip.

Maximum UV Index Levels in West Islip for July

The chart shows the monthly maximum UV Index (UVI) for West Islip in July, 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 July, the maximum UV index in West Islip typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: West Islip July 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 July Weather in West Islip Compares to Other Months

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

This table compares monthly weather conditions in West Islip, showing how July’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

Compare West Islip's Climate with Cities Worldwide