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May Weather in Commack, United States

Last updated: June 24, 2025

In Commack, United States, the average temperature in May hovers around 14°C (58°F), offering a mild climate. Expect minimums as low as 3°C (37°F) and maximums reaching up to 26°C (79°F). Precipitation is noteworthy, with an average of 123 mm (4.9 in) spread over 12 days, contributing to an average humidity of 69%. Whether you're exploring the outdoors or enjoying cozy indoor activities, this season invites diverse experiences.

May Temperature in Commack

In May in Commack, the average temperature is 14°C (58°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as 3°C (37°F). This mild climate makes it an ideal time for travelers to explore the outdoors and enjoy the local attractions.

May Weather in Commack: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Commack, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Commack, May typically has an average temperature of 14°C (58°F), with highs reaching up to 26°C (79°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740485768757570614941
Data source: Temperature data for Commack 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.

May Precipitation in Commack

In Commack in May, the precipitation amount is 123 mm (4.9 in) over the course of 12 days.

May Precipitation Trends in Commack

The chart displays monthly precipitation patterns in Commack, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Commack, May typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec831181071301238613010996142105138
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Commack

In Commack in May, humidity is 69%. With an average temperature of 14°C (58°F), this humidity feels like a warm embrace, making it comfortable for traveling, though the air might feel a bit heavy and sticky as you explore.

May Average Humidity in Commack

This chart illustrates the average monthly humidity levels in Commack, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Commack is approximately 69%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Commack

In Commack in May, 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 Commack.

Maximum UV Index Levels in Commack for May

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

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

This table compares monthly weather conditions in Commack, showing how May’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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