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May Weather in Lebanon, United States

Last updated: June 24, 2025

In May, the average temperature in Lebanon, United States hovers around 17°C (64°F), with temperatures ranging from a brisk 0°C (32°F) to a warm 30°C (86°F). Expect 122 mm (4.8 in) of precipitation over approximately 15 days, accompanied by a high average humidity of 83%.

May Temperature in Lebanon

In May in Lebanon, the average temperature is 17°C (64°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as 0°C (32°F). This wide range of temperatures means that travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Lebanon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lebanon, May typically has an average temperature of 17°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec364146546369737167584440
Data source: Temperature data for Lebanon 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 Lebanon

In Lebanon in May, the precipitation amount is 122 mm (4.8 in) over a span of 15 days.

May Precipitation Trends in Lebanon

The chart displays monthly precipitation patterns in Lebanon, 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 Lebanon, May typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec92161126143122135929510211975120
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lebanon

In Lebanon in May, humidity is 83%. With an average temperature of 17°C (64°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and prompting you to seek the nearest shade or air-conditioned escape.

May Average Humidity in Lebanon

This chart illustrates the average monthly humidity levels in Lebanon, 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 Lebanon is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lebanon

In Lebanon in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Lebanon.

Maximum UV Index Levels in Lebanon for May

The chart shows the monthly maximum UV Index (UVI) for Lebanon 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 Lebanon typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Lebanon 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 Lebanon Compares to Other Months

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

This table compares monthly weather conditions in Lebanon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)92 mm (3.6 inches)87%moderate
February Weather5°C (42°F)161 mm (6.3 inches)87%high
March Weather8°C (47°F)126 mm (5.0 inches)86%very high
April Weather12°C (54°F)143 mm (5.6 inches)84%very high
May Weather17°C (64°F)122 mm (4.8 inches)83%extreme
June Weather21°C (69°F)135 mm (5.3 inches)83%extreme
July Weather23°C (73°F)92 mm (3.6 inches)79%extreme
August Weather22°C (71°F)95 mm (3.7 inches)66%very high
September Weather20°C (68°F)102 mm (4.0 inches)68%very high
October Weather14°C (58°F)119 mm (4.7 inches)78%high
November Weather7°C (44°F)75 mm (3.0 inches)89%moderate
December Weather4°C (40°F)120 mm (4.7 inches)86%moderate

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