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Cluj-Napoca in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Cluj-Napoca in May will be like? Take a look at our weather guide for Cluj-Napoca, based on historical data.
Check flight prices to Cluj-Napoca on Avionero:
May

Weather in Cluj-Napoca in May 2025

Good Weather
Mild
🌧️
Rainy
Planning a trip to Cluj-Napoca in May? You are in luck! The weather is generally good, with an average maximum temperature of +20°C and approximately 5 sunny days. Just be prepared for some rain, as there are usually around 17 rainy days and 91 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+20°C
Avg. max. temperature
-2°C
Min.
+31°C
Max.
91 mm
Total precipitation
72%
Avg. humidity
1 m/s
Avg. wind
5 ☀️
Sunny Days
4 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Cluj-Napoca has good weather in May.

Average temperature in Cluj-Napoca in May

Here are the expected maximum, average and minimum temperatures in Cluj-Napoca for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +25°C during the day to a minimum of +4°C during the night, the temperature in May averages around +20°C.

The average maximum temperature goes up 14% by the end of the month, compared with the beginning of the month, from +21°C to +24°C.

Is Cluj-Napoca warm or cold in May?

Cluj-Napoca is typically mild in May.

Maximum temperatures go up compared to the previous month from +15°C to +20°C. The minimum temperature also goes up from +4°C to +9°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Cluj-Napoca:

Climate in Cluj-Napoca in May

Cluj-Napoca weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+15°C+20°C+23°C
Min. temperature
-6°C-2°C+3°C
Max. temperature
+29°C+31°C+35°C
Rainfall
65 mm91 mm104 mm
Wind
1 m/s1 m/s1 m/s
Humidity
69%72%73%
Air pressure
1013 HPa1014 HPa1013 HPa
Sunny days
655
Cloudy days
543
Rainy days
161715
Snowy days
100

May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +15°C to +20°C during the day. Prepare for more rain. Average rainfall goes from 65 mm to 91 mm. Humidity rises from 69% to 72%. The average wind speed doesn’t change much during May, staying around 1 m/s. The days becoming less sunny, going from 6 sunny days in April to 5 in May.

June brings much the same weather, it remains good.

Wind

Wind speed in Cluj-Napoca in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Cluj-Napoca is gradually increasing during May, going from 1 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Cluj-Napoca based on historical data.
Last Year
Historical Data
Typically, there is a 55% chance of rain on an average day in May, with total rainfall of approximately 53 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. May is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
May is one of the rainiest months in Cluj-Napoca, here is a comparison with other months, total mm:
Cluj-Napoca wettest month is June, where a typical day has a 50% chance of precipitation and 104 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 10 mm of rainfall per day.

How was the weather last May in Cluj-Napoca?

This is the weather in Cluj-Napoca in May 2023:
1 May
☀️
+21°C
2 May
☀️
+23°C
3 May
☀️
+21°C
4 May
☀️
+16°C
5 May
☀️
+20°C
6 May
☀️
+22°C
7 May
🌧️
+18°C
8 May
🌧️
+14°C
9 May
☁️
+14°C
10 May
☀️
+16°C
11 May
☀️
+18°C
12 May
🌧️
+13°C
13 May
🌧️
+15°C
14 May
☀️
+19°C
15 May
🌧️
+20°C
16 May
🌧️
+20°C
17 May
🌧️
+16°C
18 May
☀️
+18°C
19 May
☀️
+23°C
20 May
☀️
+23°C
21 May
☀️
+24°C
22 May
☀️
+24°C
23 May
☀️
+24°C
24 May
☀️
+21°C
25 May
☀️
+25°C
26 May
☀️
+24°C
27 May
☀️
+23°C
28 May
☀️
+22°C
29 May
☀️
+23°C
30 May
☀️
+23°C
31 May
☀️
+24°C
In May 2023 Cluj-Napoca had 23 sunny days, 1 cloudy days, and 7 rainy days. The average maximum temperature was +20°C, with an absolute maximum of +25°C and a minimum of +13°C. The average humidity was 74%, with a maximum of 100% and a minimum of 35%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Cluj-Napoca climate have been changing during last 43 years period.

The climate in Cluj-Napoca in May has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+12°C) and the highest in 2019 (+17°C). The driest year was 2000 with only 376 mm of rainfall, and the wettest year was 2016 with 881 mm.

FAQ

Frequently asked questions about the weather in Cluj-Napoca in May:

Is May a good time to visit Cluj-Napoca?

May is a really good time to go to Cluj-Napoca. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Cluj-Napoca.

Can you sunbathe in Cluj-Napoca in May?

May has mild temperatures in Cluj-Napoca. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Cluj-Napoca rainy in May?

Cluj-Napoca is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cluj-Napoca in May?

Usually, it’s not very sunny in Cluj-Napoca in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Romania

Check out the weather for other cities in Romania.

Monthly weather in Cluj-Napoca

Source of the data

For this page, we’ve looked at the typical weather in Cluj-Napoca, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.