May weather forecast
Byblos, Lebanon

May experiences a substantial boost in temperatures with summer firmly setting in Byblos. The rainfall amount drops drastically to a mere 15mm (0.59"), thus reducing the frequency and duration of showers. This reduction in rainfall brings about brighter days and clearer skies, perfect for outdoor engagements. The sea temperature increases to 21.4°C (70.5°F), making it more inviting for water activities. With increased daylight and sunshine hours, May is an ideal month to visit Byblos.

Temperature

The average high-temperature increases in May, moving from an enjoyable 18°C (64.4°F) in April to a warm 23°C (73.4°F). Byblos anticipates a considerable cooling off from the daytime high to an average minimum temperature of 10°C (50°F) in May.

Rainfall

In Byblos, during May, the rain falls for 3 days and regularly aggregates up to 15mm (0.59") of precipitation. In Byblos, during the entire year, the rain falls for 81 days and collects up to 733mm (28.86") of precipitation.

Sea temperature

In Byblos, in May, the average water temperature is 21.4°C (70.5°F).
Note: Swimming in 21.4°C (70.5°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).

Daylight

In May, the average length of the day in Byblos is 13h and 56min.
On the first day of the month, sunrise is at 05:47 and sunset at 19:21. On the last day of May, sunrise is at 05:26 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 estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 10 during May translates into the following 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. Always opt for UVA and UVB-resistant sunglasses on radiant days. For best protection against the Sun, use a sunscreen with no less than 30 SPF. This helps prevent sunburn and negative effects on the immune system. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.