May weather forecast
Wrocław, Poland

The weather in May marks the onset of the much-anticipated summer season in Wrocław, Poland. The city thrives under longer daylight hours and abundant sunshine. May's atmosphere is charged with a vibrant energy as temperatures continue to rise and outdoor activities abound. With the increment in warmth, the climate evolves to become more serviceable for outdoor events, setting the stage for the peak summer month of June.

Temperature

May's arrival in Wrocław coincides with a temperature rise, moving from April's refreshing 14°C to a pleasant 20°C. Wrocław records a marked daily temperature contrast, with an average low-temperature of 8°C during the nights of May.

Humidity

The least humid month in Wrocław, Poland, is May, with an average relative humidity of 66%.

Rainfall

In Wrocław, in May, during 13 rainfall days, 54mm of precipitation is typically accumulated. Throughout the year, in Wrocław, there are 151 rainfall days, and 562mm of precipitation is accumulated.

Daylight

In May, the average length of the day is 15h and 35min.
On the first day of May, sunrise is at 05:25 and sunset at 20:12. On the last day of the month, sunrise is at 04:43 and sunset at 20:55 CEST.

Sunshine

The average sunshine in May in Wrocław is 8.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.