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May Weather in Lebanon, United States

Last updated: June 24, 2025

In May, the average temperature in Lebanon, United States reaches a pleasant 21°C (70°F), with fluctuations between a cool 3°C (38°F) and a warm 34°C (93°F). Expect 122 mm (4.8 in) of precipitation spread over 13 days, contributing to an average humidity level of 82%. Whether you enjoy sunny days or a refreshing rain, this month has something for everyone!

May Temperature in Lebanon

In May, in Lebanon, the average temperature is 21°C (70°F). Maximum temperatures can reach as high as 34°C (93°F) while minimums can drop to a chilly 3°C (38°F). This diverse climate makes Lebanon an ideal destination for travelers seeking both warm and cool weather experiences.

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 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec414552597076807874634945
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) recorded over a span of 13 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 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10818916614612214512612112514085152
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 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather5°C (41°F)108 mm (4.2 inches)87%moderate
February Weather7°C (45°F)189 mm (7.4 inches)86%high
March Weather11°C (53°F)166 mm (6.5 inches)86%high
April Weather15°C (59°F)146 mm (5.7 inches)82%very high
May Weather21°C (70°F)122 mm (4.8 inches)82%very high
June Weather25°C (77°F)145 mm (5.7 inches)83%extreme
July Weather27°C (80°F)126 mm (4.9 inches)80%extreme
August Weather26°C (78°F)121 mm (4.8 inches)74%very high
September Weather23°C (74°F)125 mm (4.9 inches)71%very high
October Weather17°C (64°F)140 mm (5.5 inches)78%high
November Weather9°C (49°F)85 mm (3.4 inches)88%moderate
December Weather7°C (46°F)152 mm (6.0 inches)88%moderate

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