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May Weather in Palmyra, United States

Last updated: June 24, 2025

In May, the average temperature in Palmyra, United States hovers around 19°C (66°F), offering a comfortable climate. However, be prepared for a range, as temperatures can dip as low as 3°C (38°F) and soar up to 35°C (95°F). Expect 164 mm (6.4 in) of precipitation over about 15 days, resulting in an average humidity of 82%, making it essential to embrace the refreshing atmosphere!

May Temperature in Palmyra

In May in Palmyra, the average temperature is 19°C (66°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 3°C (38°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates May temperature patterns in Palmyra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmyra, May typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec293245536676797571574336
Data source: Temperature data for Palmyra 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 Palmyra

In Palmyra in May, the total precipitation amount is 164 mm (6.4 in) over the course of 15 days.

May Precipitation Trends in Palmyra

The chart displays monthly precipitation patterns in Palmyra, 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 Palmyra, May typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec64611201021641168998771085943
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Palmyra

In Palmyra 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 Palmyra

This chart illustrates the average monthly humidity levels in Palmyra, 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 Palmyra is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Palmyra

In Palmyra 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 Palmyra.

Maximum UV Index Levels in Palmyra for May

The chart shows the monthly maximum UV Index (UVI) for Palmyra 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 Palmyra typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
Data source: Palmyra 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 Palmyra Compares to Other Months

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

This table compares monthly weather conditions in Palmyra, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)64 mm (2.5 inches)82%moderate
February Weather0°C (32°F)61 mm (2.4 inches)80%moderate
March Weather7°C (45°F)120 mm (4.7 inches)80%high
April Weather12°C (53°F)102 mm (4.0 inches)80%very high
May Weather19°C (66°F)164 mm (6.4 inches)82%very high
June Weather24°C (76°F)116 mm (4.6 inches)83%extreme
July Weather26°C (79°F)89 mm (3.5 inches)81%very high
August Weather24°C (76°F)98 mm (3.9 inches)80%very high
September Weather22°C (71°F)77 mm (3.0 inches)76%very high
October Weather14°C (57°F)108 mm (4.2 inches)76%high
November Weather6°C (43°F)59 mm (2.3 inches)85%moderate
December Weather2°C (37°F)43 mm (1.7 inches)86%moderate

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