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May Weather in Carrollton, United States

Last updated: June 24, 2025

In May, the average temperature in Carrollton, United States hovers around 17°C (62°F). You can expect temperature fluctuations, with minimums dipping to -2°C (29°F) and maximums rising to 31°C (88°F). Be prepared for some rain, as the area receives an average precipitation of 127 mm (5.0 in) over 16 days. Additionally, the humidity tends to be high, averaging around 81%, creating a rich, vibrant atmosphere.

May Temperature in Carrollton

In May in Carrollton, the average temperature is 17°C (62°F), with maximums reaching 31°C (88°F) and minimums dipping as low as -2°C (29°F). This varied climate makes Carrollton an ideal destination for travelers seeking a mix of mild days and cool nights.

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

The chart illustrates May temperature patterns in Carrollton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carrollton, May typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516270757267574136
Data source: Temperature data for Carrollton 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 Carrollton

In Carrollton in May, the precipitation amount is 127 mm (5.0 in), distributed over 16 days.

May Precipitation Trends in Carrollton

The chart displays monthly precipitation patterns in Carrollton, 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 Carrollton, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9311210113312713412810511412096100
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Carrollton

In Carrollton in May, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

May Average Humidity in Carrollton

This chart illustrates the average monthly humidity levels in Carrollton, 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 Carrollton is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Carrollton

In Carrollton 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 Carrollton.

Maximum UV Index Levels in Carrollton for May

The chart shows the monthly maximum UV Index (UVI) for Carrollton 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 Carrollton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Carrollton 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 Carrollton Compares to Other Months

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

This table compares monthly weather conditions in Carrollton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)93 mm (3.7 inches)88%moderate
February Weather1°C (34°F)112 mm (4.4 inches)88%moderate
March Weather5°C (41°F)101 mm (4.0 inches)87%high
April Weather10°C (51°F)133 mm (5.3 inches)87%very high
May Weather17°C (62°F)127 mm (5.0 inches)81%very high
June Weather21°C (70°F)133 mm (5.3 inches)83%very high
July Weather24°C (75°F)128 mm (5.0 inches)82%very high
August Weather22°C (73°F)105 mm (4.1 inches)76%very high
September Weather20°C (68°F)114 mm (4.5 inches)77%very high
October Weather14°C (57°F)120 mm (4.7 inches)82%high
November Weather5°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)100 mm (3.9 inches)86%low

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