Cluj-Napoca, in northwestern Romania, has a moderately continental climate with cold, snowy winters and warm, often sunny summers. The city experiences pronounced seasonal changes, moderate rainfall year-round, and abundant sunshine in late spring and summer. Spring and autumn are especially pleasant, making Cluj-Napoca a vibrant destination for culture, festivals, and outdoor exploration.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Cluj-Napoca’s climate features four distinct seasons. Winters (December–February) are cold, with average highs of 0–2°C and lows often dropping below -5°C. Snow is common, and the city can see snow cover for up to two months each year. Days are short, with just 2–3 hours of sunshine, and humidity is high, making the cold feel more intense. Despite the chill, the city’s historic charm and festive winter markets offer a cosy atmosphere.
Summers (June–August) are warm and often sunny, with average highs of 22–27°C and lows of 12–15°C. July and August are the warmest months, and while daytime temperatures can reach 32–33°C during heatwaves, nights remain comfortably cool. Rainfall peaks in May, June, and July, mostly as brief showers or thunderstorms, but sunshine is abundant – up to 8–9 hours per day in midsummer. Spring (March–May) and autumn (September–November) are transitional, with mild temperatures (10–21°C), blooming gardens, and colourful foliage. Rain is moderate in these seasons, and the weather can be changeable, so layers are recommended. Cluj-Napoca receives about 625–700 mm of precipitation annually and enjoys around 2,000 hours of sunshine per year. Winds are generally light to moderate, but can be brisk during storms.
| Average climate data for Cluj-Napoca, Romania | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 0 | 3 | 10 | 15 | 20 | 22 | 25 | 24 | 21 | 15 | 6 | 2 | 25 |
| Average minimum temperature (°C) | -7 | -5 | -1 | 4 | 9 | 11 | 13 | 12 | 9 | 4 | -1 | -4 | -7 |
| Average precipitation (mm) | 24 | 20 | 22 | 48 | 69 | 96 | 82 | 60 | 36 | 31 | 30 | 32 | 550 |
| Average rainfall days (days) | 6 | 5 | 5 | 9 | 11 | 11 | 10 | 8 | 6 | 6 | 7 | 7 | 91 |
| Average snowfall (mm) | 60 | 116 | 59 | 13 | 0 | 0 | 0 | 0 | 0 | 5 | 26 | 58 | 337 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 15 | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 2 | 3 | 5 | 5 | 7 | 8 | 8 | 8 | 6 | 5 | 2 | 1 | 5 |
| Average UV index | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 1 | 4 |
The best time to visit Cluj-Napoca is from mid-May to mid-September, when temperatures are warm (18–27°C), days are long and sunny, and the city is lively with festivals, outdoor events, and vibrant nightlife. These months offer ideal conditions for sightseeing, hiking, and enjoying the city’s parks and gardens.
The least favourable time is from December to February, when Cluj-Napoca is coldest and cloudiest. Snow, rain, and short daylight hours can limit outdoor activities, though the city’s winter charm, festive markets, and cosy cafés still appeal to some travellers.
Cluj-Napoca has a moderately continental climate with cold, snowy winters (0–2°C by day, -5°C at night), warm, sunny summers (22–27°C), and moderate rainfall throughout the year. Snow is common in winter, and thunderstorms are frequent in summer.
The best time to visit is from mid-May to mid-September, when the weather is warm and sunny, and the city is lively with festivals, outdoor events, and vibrant nightlife.
Yes, snow is common in Cluj-Napoca from December to February, with snow cover possible for up to two months. Most winter precipitation falls as snow, but heavy accumulations are rare in the city centre.
Cluj-Napoca receives about 625–700 mm of precipitation annually, with the wettest months being May, June, and July. Rain falls year-round, often as brief showers or summer thunderstorms.
Cluj-Napoca enjoys around 2,000 hours of sunshine per year. July and August are the sunniest months, with up to 8–9 hours daily, while December is the least sunny, with about 2 hours per day.
Humidity in Cluj-Napoca is moderate in summer (around 70%), but can be high in winter (up to 85%), making cold days feel colder. Humidity drops in late summer and early autumn.
Pack layers and a rain jacket for spring and autumn, sun protection for summer, and warm, waterproof clothing for winter. An umbrella is useful year-round due to frequent showers.
The warmest month, with the highest average maximum temperature, is July (24.6 °C). The month with the lowest average maximum temperature is January (0.3 °C). Overall, the average maximum temperature over the whole year is 13.6 °C.
The month with the highest average minimum temperature is July (12.6 °C). The coldest month, with the lowest average minimum temperature, is January (-6.5 °C). Overall, the average minimum temperature over the whole year is 3.7 °C.
The wettest month, with the highest amount of precipitation, is June (96.3 mm). The driest month, with the least amount of precipitation, is February (19.9 mm). Over the whole year there are 550.3 mm of rainfall on average.
The month with the most days of rain is May (11.1 days). The month with the fewest days of rain is March (4.9 days). Over the whole year there are 90.8 days of rain on average.
The month with the most snowfall is February (116.2 mm). The months with the least snowfall are May, June, July, August and September (0 mm). Over the whole year there are 336.6 mm of snowfall on average.
The month with the longest days, so the most daylight, is June (Average daylight: 15.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8.1 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 8 h). The month with the least sunshine per day is December (Average sunshine: 1 h). Over the whole year there are 5 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 8). The months with the lowest average UV index are January, November and December (UV index: 1). Over the whole year the average UV index is 4.2.
