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May Weather in Rocky Hill, United States

Last updated: June 24, 2025

In Rocky Hill, United States, the average temperature in May hovers around 17°C (62°F). Temperatures can range from a brisk 1°C (34°F) to a sweltering 34°C (94°F). Expect about 128 mm (5.0 in) of precipitation spread over 13 days, contributing to an average humidity of 69%. Prepare for a blend of warmth and moisture that characterizes this vibrant season!

May Temperature in Rocky Hill

In May in Rocky Hill, the average temperature is 17°C (62°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 1°C (34°F). This diverse temperature range makes Rocky Hill an ideal destination for travelers seeking a variety of outdoor experiences.

May Weather in Rocky Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rocky Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rocky Hill, May typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343742526272777569594538
Data source: Temperature data for Rocky Hill 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 Rocky Hill

In Rocky Hill in May, the precipitation amount is 128 mm (5.0 in) spread over 13 days.

May Precipitation Trends in Rocky Hill

The chart displays monthly precipitation patterns in Rocky Hill, 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 Rocky Hill, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec671061071051281011341389212783104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rocky Hill

In Rocky Hill in May, humidity is 69%. With an average temperature of 17°C (62°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air hangs heavy around you, causing you to sweat slightly more than usual and prompting a desire for refreshing breaks in shaded areas.

May Average Humidity in Rocky Hill

This chart illustrates the average monthly humidity levels in Rocky Hill, 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 Rocky Hill 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 Rocky Hill

In Rocky Hill 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 Rocky Hill.

Maximum UV Index Levels in Rocky Hill for May

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

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

This table compares monthly weather conditions in Rocky Hill, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)67 mm (2.6 inches)84%moderate
February Weather3°C (37°F)106 mm (4.2 inches)82%moderate
March Weather6°C (42°F)107 mm (4.2 inches)81%high
April Weather11°C (53°F)105 mm (4.1 inches)78%very high
May Weather17°C (62°F)128 mm (5.0 inches)69%very high
June Weather22°C (72°F)101 mm (4.0 inches)69%very high
July Weather25°C (78°F)134 mm (5.3 inches)62%very high
August Weather24°C (75°F)138 mm (5.4 inches)65%very high
September Weather21°C (70°F)92 mm (3.6 inches)68%very high
October Weather15°C (60°F)127 mm (5.0 inches)74%high
November Weather7°C (45°F)83 mm (3.3 inches)82%moderate
December Weather3°C (38°F)104 mm (4.1 inches)80%low

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