Cool
Average highs are around 20°C, so pack for cooler days.
May verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 79mm, which is relatively low for holiday planning.

Monthly averages
Temp
20°C
Rain
79mm
Sun
7.2h
Weather score
44
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Map
Compare Cluj Napoca, Romania with nearby places by weather score, rain, sun, temperature, and swim conditions.
May20°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
May79mm average rain
May is wetter than Cluj Napoca's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May7.2 hours average sun
May is brighter than Cluj Napoca's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
May44 weather score
May sits close to Cluj Napoca's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.