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Cluj-Napoca Weather in May

Cluj-Napoca in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 93 mm (3.7 in), so pack a rain jacket to stay dry.

Rainfall in Cluj-Napoca in May

Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 93 mm (3.7 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Cluj-Napoca in May

May is a perfect month in Cluj-Napoca, with 21°C (70°F) during the day and 9°C (48°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Cluj-Napoca in May

The city usually sees around 242 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Cluj-Napoca in May

Average wind conditions reach 2 m/s (4 knots) in May. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

If your ideal day consists of dry skies and pleasant temperatures, May, August and September typically offer the best circumstances for Cluj-Napoca.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Romania, check out our Cluj-Napoca's climate page.

Cluj-Napoca Temperature in May

Min TemperatureMin Temperature 9°C (48°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 50%  
PrecipitationPrecipitation 93 mm (3.7 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 74%  
WindspeedWindspeed 2 m/s (4 knots)  
SunshineSunshine 242 hours  
Percentage SunshinePercentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Cluj-Napoca typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).

Average temperatures in May

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Historical weather for Cluj-Napoca in May

Browse day-by-day weather records for Cluj-Napoca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Cluj-Napoca historical weather extremes in May

According to our 49 years of weather records for Cluj-Napoca, the following extremes were recorded between 1976 and 2025.

  • Cluj-Napoca recorded its highest May temperature of 32°C (90°F) on May 9, 2003.
  • The lowest daytime temperature in May was 6°C (43°F), recorded on May 7, 2019.
  • Cluj-Napoca registered its coldest May night on May 1, 1976, with temperatures dropping to -2°C (28°F).

Best Places in Romania in May

Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in May →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Cluj-Napoca in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Cluj-Napoca in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
9/10
Walking
9/10
Barbeque
8/10
Camping
4/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Romania, check out our Cluj-Napoca's climate page.

More climate data for Cluj-Napoca