May weather forecastBeirut, Lebanon

May
Weather in May
Come May, locals and tourists alike enjoy a fresh breathing space as Beirut welcomes the warmth of summer with relief from rainfall, which drastically contracts to 15mm (0.59"). The city is marked by longer daylight hours and the populace enjoys more sunshine. Outdoor activities and water sports take the center stage, and the city resonates with vibrancy. Venturing onto the streets of Beirut in May offers a chance to enjoy the lively buzz of the city. With the sea temperature soaring, it's also an opportune time for beach lovers to relax by the coast.Temperature
Upon the beginning of May, Beirut's high-temperatures register at a warm 25.4°C (77.7°F), closely mirroring the preceding month. In May, Beirut experiences a temperature dip to an average of 18.2°C (64.8°F) at night.Humidity
In Beirut, Lebanon, the average relative humidity in May is 71%.Rainfall
In May, in Beirut, the rain falls for 2 days. Throughout May, 15mm (0.59") of precipitation is accumulated. In Beirut, Lebanon, during the entire year, the rain falls for 68 days and collects up to 826mm (32.52") of precipitation.Sea temperature
In May, the average sea temperature is 21.3°C (70.3°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 21.3°C (70.3°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
In Beirut, Lebanon, the average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 05:48 and sunset at 19:21. On the last day of May, in Beirut, sunrise is at 05:28 and sunset at 19:43 EEST.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 10. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 10 transforms into these recommendations:
Act with caution. Neglecting protection can lead to skin and eye damage in moments. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Before stepping out, consider using a sunscreen with 30 SPF or more. Especially if you're one to burn easily, avoid prolonged sun exposure. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Beirut, Lebanon
- Average high temperature in May: 25.4°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (17.4°C).
- Average low temperature in May: 18.2°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is February (11°C).
Average humidity in May
Beirut, Lebanon
- Average humidity in May: 71%
The months with the highest relative humidity are July and August (73%).
The month with the lowest relative humidity is November (66%).
Average rainfall in May
Beirut, Lebanon
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is January (190.9mm).
The driest month (with the least rainfall) is July (0.3mm).
Average rainfall days in May
Beirut, Lebanon
- Average rainfall days in May: 2 days
The month with the highest number of rainy days is January (15 days).
The months with the least rainy days are June, July and August (0 days).
Average sea temperature in May
Beirut, Lebanon
- Average sea temperature in May: 21.3°C
The best month for swimming (with the highest average sea temperature) is August (28.6°C).
The coldest month (with the lowest average sea temperature) is February (17.4°C).
Average daylight in May /
Average sunshine in May
Beirut, Lebanon
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average UV index in May
Beirut, Lebanon
- Average UV index in May: 10
The month with the highest UV index is July (UV index 12).
The months with the lowest UV index are January and December (UV index 3).





