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May Weather in Scranton, United States

Last updated: June 24, 2025

In May, the average temperature in Scranton, United States is a comfortable 19°C (66°F). Expect minimums dipping to 3°C (38°F) and soaring to a maximum of 34°C (93°F). With an average humidity of 82%, you can anticipate a precipitation total of 200 mm (7.9 in) over approximately 15 days. Stay prepared and enjoy the diverse weather!

May Temperature in Scranton

In May in Scranton, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 3°C (38°F). This variability makes Scranton a great destination for travelers who enjoy diverse weather experiences.

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

The chart illustrates May temperature patterns in Scranton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scranton, May typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec323347546677807772574538
Data source: Temperature data for Scranton 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 Scranton

In Scranton in May, the precipitation amount is 200 mm (7.9 in) over the course of 15 days.

May Precipitation Trends in Scranton

The chart displays monthly precipitation patterns in Scranton, 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 Scranton, May typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec45301009220010394127831213833
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Scranton

In Scranton in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Scranton

This chart illustrates the average monthly humidity levels in Scranton, 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 Scranton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Scranton

In Scranton 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 Scranton.

Maximum UV Index Levels in Scranton for May

The chart shows the monthly maximum UV Index (UVI) for Scranton 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 Scranton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109643
Data source: Scranton 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 Scranton Compares to Other Months

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

This table compares monthly weather conditions in Scranton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)45 mm (1.8 inches)76%moderate
February Weather1°C (33°F)30 mm (1.2 inches)77%high
March Weather8°C (47°F)100 mm (3.9 inches)70%high
April Weather12°C (55°F)92 mm (3.6 inches)73%very high
May Weather19°C (66°F)200 mm (7.9 inches)82%very high
June Weather25°C (78°F)103 mm (4.0 inches)82%extreme
July Weather27°C (80°F)94 mm (3.7 inches)81%extreme
August Weather25°C (77°F)127 mm (5.0 inches)78%very high
September Weather22°C (72°F)83 mm (3.3 inches)71%very high
October Weather14°C (57°F)121 mm (4.8 inches)71%high
November Weather7°C (45°F)38 mm (1.5 inches)81%moderate
December Weather3°C (38°F)33 mm (1.3 inches)84%moderate

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