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May Weather in Frankfort, United States

Last updated: June 24, 2025

In Frankfort, United States, the average temperature in May is a pleasant 18°C (65°F). However, be prepared for a temperature range that can dip as low as 0°C (32°F) and soar up to a warm 32°C (90°F). During this month, expect 127 mm (5.0 in) of precipitation spread over 15 days, paired with an average humidity level of 81%.

May Temperature in Frankfort

In May in Frankfort, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), and minimums can be as low as 0°C (32°F). This makes Frankfort an ideal destination for travelers seeking a blend of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Frankfort, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frankfort, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644536472767469584337
Data source: Temperature data for Frankfort 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 Frankfort

In Frankfort in May, the total precipitation amount is 127 mm (5.0 in) distributed over 15 days.

May Precipitation Trends in Frankfort

The chart displays monthly precipitation patterns in Frankfort, 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 Frankfort, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7810512612312713812198929894105
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Frankfort

In Frankfort in May, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

May Average Humidity in Frankfort

This chart illustrates the average monthly humidity levels in Frankfort, 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 Frankfort is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Frankfort

In Frankfort 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 Frankfort.

Maximum UV Index Levels in Frankfort for May

The chart shows the monthly maximum UV Index (UVI) for Frankfort 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 Frankfort typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Frankfort 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 Frankfort Compares to Other Months

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

This table compares monthly weather conditions in Frankfort, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)78 mm (3.1 inches)88%moderate
February Weather2°C (36°F)105 mm (4.1 inches)88%moderate
March Weather6°C (44°F)126 mm (5.0 inches)87%high
April Weather12°C (53°F)123 mm (4.9 inches)85%very high
May Weather18°C (65°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)138 mm (5.4 inches)82%very high
July Weather25°C (77°F)121 mm (4.8 inches)81%very high
August Weather23°C (74°F)98 mm (3.8 inches)73%very high
September Weather21°C (70°F)92 mm (3.6 inches)73%very high
October Weather15°C (59°F)98 mm (3.9 inches)78%high
November Weather6°C (43°F)94 mm (3.7 inches)89%moderate
December Weather3°C (38°F)105 mm (4.1 inches)87%moderate

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