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May Weather in Duncansville, United States

Last updated: June 24, 2025

In May in Duncansville, United States, the average temperature hovers around 15°C (60°F). However, temperatures can vary significantly, with minimums dipping to -3°C (27°F) and maximums soaring to 29°C (85°F). Expect a fair amount of rain, with 139 mm (5.5 in) of precipitation over approximately 16 days, all while enjoying a relatively high average humidity of 80%.

May Temperature in Duncansville

In May in Duncansville, the average temperature is 15°C (60°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -3°C (27°F), making it essential for travelers to pack for both warm and cool weather.

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

The chart illustrates May temperature patterns in Duncansville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncansville, May typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec283238485967737165543933
Data source: Temperature data for Duncansville 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 Duncansville

In Duncansville in May, the total precipitation amount is 139 mm (5.5 in) spread over 16 days.

May Precipitation Trends in Duncansville

The chart displays monthly precipitation patterns in Duncansville, 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 Duncansville, May typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7311296115139117119971301148097
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Duncansville

In Duncansville in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Duncansville

This chart illustrates the average monthly humidity levels in Duncansville, 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 Duncansville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Duncansville

In Duncansville 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 Duncansville.

Maximum UV Index Levels in Duncansville for May

The chart shows the monthly maximum UV Index (UVI) for Duncansville 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 Duncansville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Duncansville 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 Duncansville Compares to Other Months

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

This table compares monthly weather conditions in Duncansville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)89%moderate
February Weather0°C (32°F)112 mm (4.4 inches)90%moderate
March Weather3°C (38°F)96 mm (3.8 inches)89%high
April Weather9°C (49°F)115 mm (4.5 inches)88%very high
May Weather15°C (60°F)139 mm (5.5 inches)80%very high
June Weather20°C (68°F)117 mm (4.6 inches)79%very high
July Weather23°C (73°F)119 mm (4.7 inches)74%very high
August Weather22°C (71°F)97 mm (3.8 inches)64%very high
September Weather18°C (65°F)130 mm (5.1 inches)67%very high
October Weather12°C (54°F)114 mm (4.5 inches)81%high
November Weather4°C (39°F)80 mm (3.1 inches)89%moderate
December Weather1°C (33°F)97 mm (3.8 inches)88%moderate

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