Weather in Belgrade in May
May in Belgrade is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In Serbia, this is how Belgrade actually wears May, not how a country centroid would. Compared with August and January, May sits in the middle of Belgrade's year.

- Average temp
- 18°C
13–24°C
- Rainfall
- 72 mm
Showers likely
- Sunshine
- 7.9 h
hours per day
What to expect
Daytime
Mild afternoons in Belgrade are the prize in May. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
May is the wet side of the year in Belgrade. Days can be heavy. Plans that cannot survive rain are the wrong plans.
This is not a reason to skip Belgrade if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Belgrade
Dates are a starting point for May.

Travel guides for Belgrade
What to read before you book.
Average weather in Belgrade
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FAQs about Belgrade
Climate averages for Belgrade, 1991–2020.
The best time to visit Belgrade is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 24°C.
June is the wettest month, with about 95 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.