May weather forecast
Patras, Greece

May brings the true essence of spring to Patras, with soaring temperatures and blooming flora. The weather takes a decidedly warmer pivot from its predecessors, presenting an inviting outdoor ambience. With May's arrival, the city sees a drastic reduction in rainfall, registering only 29mm (1.14") throughout the month. As the month unfolds under brighter skies and longer daylight, the city gears up for the upcoming summer period. In summary, May stands as a threshold, phasing out the wetter spring season and stepping into the sunlit arch of summer.

Temperature

Observing a slight rise in May, the average high-temperature shifts from April's enjoyable 19.7°C (67.5°F) to a moderately hot 24.2°C (75.6°F). Patras, during May nights, observes an average temperature of 13.9°C (57°F).

Rainfall

In Patras, in May, during 5.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Patras, during the entire year, the rain falls for 86 days and collects up to 663mm (26.1") of precipitation.

Sea temperature

In May, the average sea temperature is 19.2°C (66.6°F).
Note: Swimming is not a pleasant activity for most individuals in 19.2°C (66.6°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day in Patras, Greece, is 14h and 15min.
On the first day of the month, sunrise is at 06:35 and sunset at 20:24. On the last day of May, sunrise is at 06:11 and sunset at 20:50 EEST.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 8 during May leads to these instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.