Avg weather in May
14 Hrs per day
37 mm per month
78 % avg
6 Mph avg

Duni Weather in May

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What’s the weather like in Duni in May?

The Duni weather in May is almost as warm as the summer months of June and July. This popular resort, on Bulgaria’s beautiful east coast, enjoys a fantastic Mediterranean-like climate and if you visit in May you’ll get lots of sunshine but miss the busy summer crowds.

Geographical influences

The biggest geographical influence on Duni’s climate in May is the Black Sea. This calm stretch of water laps Duni’s sandy beaches and in May it really warms up from the colder temperatures of winter and early spring. This also creates warmer air over the nearby land.


There’s little need for layers and jackets this month. The weather in Duni in May produces an average daytime high of 20°C, which drops to around 13°C on rare cooler days. The Black Sea often provides a refreshing sea breeze. The sunshine is fantastic, too. You can expect an average of eight hours each day during May and you can relax under the sun until it finally disappears about 8.15pm at the beginning of the month. Rainfall is moderate, with just 37mm in the month during eight rain-affected days. The heat and humidity are medium and the wind speed of 6mph means there’s not much of a wind chill either.

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