May Weather in Lebanon, United States

Last updated: June 24, 2025

In May, the average temperature in Lebanon, United States hovers around 19°C (66°F). Expect chilly nights with a minimum of 3°C (38°F), while daytime can soar up to a pleasant 34°C (93°F). Be prepared for 167 mm (6.6 in) of precipitation over approximately 15 days, contributing to an average humidity level of 83%.

May Temperature in Lebanon

In May in Lebanon, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 3°C (38°F). This variability makes Lebanon a great destination for travelers who enjoy diverse 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 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Lebanon generated using information from the Copernicus Climate Change Service.

May Precipitation in Lebanon

In Lebanon in May, the precipitation amount is 167 mm (6.6 in) over a period 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 167 mm (6.6 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Lebanon

In Lebanon in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	79 mm (3.1 inches)	81%	moderate
February Weather	3°C (37°F)	76 mm (3.0 inches)	78%	high
March Weather	9°C (49°F)	130 mm (5.1 inches)	76%	high
April Weather	13°C (55°F)	144 mm (5.7 inches)	78%	very high
May Weather	19°C (66°F)	167 mm (6.6 inches)	83%	very high
June Weather	24°C (76°F)	96 mm (3.8 inches)	83%	extreme
July Weather	26°C (79°F)	95 mm (3.7 inches)	78%	extreme
August Weather	25°C (77°F)	92 mm (3.6 inches)	68%	very high
September Weather	23°C (73°F)	52 mm (2.1 inches)	64%	very high
October Weather	15°C (59°F)	136 mm (5.4 inches)	70%	high
November Weather	8°C (46°F)	63 mm (2.5 inches)	83%	moderate
December Weather	5°C (41°F)	49 mm (1.9 inches)	87%	moderate