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May Weather in Sunbury, United States

Last updated: June 24, 2025

The average temperature in Sunbury, United States during May is a pleasant 17°C (62°F). However, be prepared for a range of temperatures, as the minimum can dip to -1°C (31°F) and the maximum can soar to 32°C (90°F). Throughout the month, you can expect 119 mm (4.7 in) of precipitation spread over approximately 13 days, coupled with an average humidity of 75%. Enjoy your stay!

May Temperature in Sunbury

In May in Sunbury, the average temperature is 17°C (62°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as -1°C (31°F). Be sure to pack for a range of temperatures to enjoy your travels comfortably.

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

The chart illustrates May temperature patterns in Sunbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunbury, May typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313441516271767468574336
Data source: Temperature data for Sunbury 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 Sunbury

In Sunbury in May, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

May Precipitation Trends in Sunbury

The chart displays monthly precipitation patterns in Sunbury, 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 Sunbury, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec699789103119871291191171119184
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sunbury

In Sunbury in May, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.

May Average Humidity in Sunbury

This chart illustrates the average monthly humidity levels in Sunbury, 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 Sunbury is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sunbury

In Sunbury 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 Sunbury.

Maximum UV Index Levels in Sunbury for May

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

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

This table compares monthly weather conditions in Sunbury, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)69 mm (2.7 inches)87%moderate
February Weather1°C (34°F)97 mm (3.8 inches)85%moderate
March Weather5°C (41°F)89 mm (3.5 inches)85%high
April Weather11°C (51°F)103 mm (4.1 inches)83%very high
May Weather17°C (62°F)119 mm (4.7 inches)75%very high
June Weather22°C (71°F)87 mm (3.4 inches)73%very high
July Weather25°C (77°F)129 mm (5.1 inches)65%very high
August Weather23°C (74°F)119 mm (4.7 inches)62%very high
September Weather20°C (68°F)117 mm (4.6 inches)66%very high
October Weather14°C (58°F)111 mm (4.4 inches)79%high
November Weather6°C (43°F)91 mm (3.6 inches)87%moderate
December Weather2°C (36°F)84 mm (3.3 inches)85%low

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