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May Weather in Harlan, United States

Last updated: June 24, 2025

In May, the average temperature in Harlan, United States hovers around 16°C (61°F), with a minimum dipping to 2°C (35°F) and a possible maximum soaring to 35°C (95°F). Expect a substantial precipitation amount of 167 mm (6.6 in) spread across approximately 16 days. With an average humidity of 78%, this month can feel quite damp and tropical!

May Temperature in Harlan

In May in Harlan, the average temperature is 16°C (61°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 2°C (35°F). Be prepared for a wide range of temperatures while exploring the diverse climate of Harlan.

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

The chart illustrates May temperature patterns in Harlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlan, May typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec232339486174767368513830
Data source: Temperature data for Harlan 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 Harlan

In Harlan in May, the precipitation amount is 167 mm (6.6 in) occurring over a span of 16 days.

May Precipitation Trends in Harlan

The chart displays monthly precipitation patterns in Harlan, 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 Harlan, May typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec2938835816711070117971243537
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Harlan

In Harlan in May, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

May Average Humidity in Harlan

This chart illustrates the average monthly humidity levels in Harlan, 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 Harlan is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Harlan

In Harlan 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 Harlan.

Maximum UV Index Levels in Harlan for May

The chart shows the monthly maximum UV Index (UVI) for Harlan 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 Harlan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098643
Data source: Harlan 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 Harlan Compares to Other Months

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

This table compares monthly weather conditions in Harlan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)29 mm (1.1 inches)76%moderate
February Weather-5°C (24°F)38 mm (1.5 inches)80%moderate
March Weather4°C (39°F)82 mm (3.2 inches)73%high
April Weather9°C (49°F)58 mm (2.3 inches)74%very high
May Weather16°C (61°F)167 mm (6.6 inches)78%very high
June Weather23°C (74°F)110 mm (4.3 inches)82%extreme
July Weather25°C (76°F)70 mm (2.8 inches)83%very high
August Weather23°C (73°F)117 mm (4.6 inches)80%very high
September Weather20°C (68°F)97 mm (3.8 inches)75%very high
October Weather11°C (51°F)124 mm (4.9 inches)75%high
November Weather3°C (38°F)35 mm (1.4 inches)82%moderate
December Weather-1°C (30°F)37 mm (1.5 inches)83%moderate

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