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 shows a rise in the average high-temperature, moving from April's mild 14°C (57.2°F) to an agreeable 20°C (68°F). Despite a stark disparity with daily highs, Wrocław records an average nighttime temperature of 8°C (46.4°F) in May.

Humidity

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

Rainfall

In Wrocław, during May, the rain falls for 13 days and regularly aggregates up to 54mm (2.13") of precipitation. In Wrocław, during the entire year, the rain falls for 151 days and collects up to 562mm (22.13") of precipitation.

Daylight

The average length of the day in May in Wrocław is 15h and 35min.
On the first day of the month, sunrise is at 05:23 and sunset at 20:14. On the last day of May, sunrise is at 04:42 and sunset at 20:56 CEST.

Sunshine

The average sunshine in May is 8.1h.

UV index

The months with the highest UV index in Wrocław, Poland, are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.