Climate and monthly weather forecast
Cluj-Napoca, Romania


The climate of Cluj-Napoca

Cluj-Napoca, located in Romania, experiences a Humid continental climate, classified as Dfb under the Köppen climate classification. This suggests that the city encounters no dry season, with warm summers and severely cold winters. Across the calendar year, weather parameters exhibit significant variations, which are determined by the changing seasons.

A glance at the temperature trends reveals that the highest average temperatures range from 0.3°C (32.5°F) in January to 24.5°C (76.1°F) in July. In contrast, the lowest temperatures fluctuate from -6.5°C (20.3°F) in January to 12.7°C (54.9°F) in July. These shifts logically align with the corresponding changes in seasons, transforming from the freezing winter to the warm summer months.

The rainfall distribution also poses a rather intriguing pattern. The peak of precipitation happens in June reaching up to 95mm (3.74"), while the lowest levels occur in February with 20mm (0.79"). Every month encounters precipitation - a characteristic of the Humid continental climate.

One cannot overlook the unique weather patterns herein. Chiefly, snowfall is completely absent between May and September making these months ideal for outdoor pursuits. Sunlight hours also evolve from 8.6 hours per day in December to a lengthy 15.8 hours in June. It is also crucial to note the UV index ratings, which peak in June and July with a value of 8, indicating the necessity of sunscreen for skin protection during these months.

The best time to visit Cluj-Napoca

The preferable time to visit Cluj-Napoca would be between May and September. These months feature consistently warm temperatures, ranging from 20.3°C (68.5°F) to 24.5°C (76.1°F) during the day, and falling between 8.6°C (47.5°F) to 12.7°C (54.9°F) at night. During this span, there is a complete absence of snowfall and daily sunlight hours extend up to 15.8 hours, providing ample time to explore and enjoy the city.

The worst time to visit Cluj-Napoca

The least advisable period for traveling to Cluj-Napoca is between December and February. During these months, temperatures can drop to a freezing -6.5°C (20.3°F) at night. Daytime temperatures are equally cold, barely climbing above 3.2°C (37.8°F). Along with severe cold, these months also see considerable snowfall, with February being particularly snowy with up to 115mm (4.53") of snowfall registered.

Spring weather in Cluj-Napoca

Spring in Cluj-Napoca is characterized by a gradual warming trend with temperatures range from 0.6°C (33.1°F) in March to 8.6°C (47.5°F) in May. Daylight hours progressively increase from 11.9 hours in March to a generous 15.1 hours by the end of spring in May. The amount of rainfall, however, does escalate during the spring month, culminating with 69mm (2.72") rainfall dispersed over 11 days in May.

Summer weather in Cluj-Napoca

Summer in Cluj-Napoca is pleasantly warm, with average daily temperatures consistently maintained between 20.3°C (68.5°F) in June to 24.5°C (76.1°F) in August. Night-time temperatures remain comfortable, dropping to between 11.3°C (52.3°F) and 12.7°C (54.9°F). It is the wettest period in the city, with June experiencing the highest monthly precipitation of 95mm (3.74") over 11 days. These conditions imply that while the city enjoys an extended summer day, it is often interjected with transient showers.

Autumn weather in Cluj-Napoca

During autumn, the city witnesses decreasing temperature trends from 20.7°C (69.3°F) in September to 6.3°C (43.3°F) in November. Night temperatures also cool down significantly, ranging from 8.9°C (48°F) to -0.7°C (30.7°F) as autumn progresses. The decrease in daylight is consistent with the season's change, with the sun shining for about 12.6 hours in September down to 9.4 hours in November.

Winter weather in Cluj-Napoca

Winter in Cluj-Napoca is harsh and freezing. During the winter months, temperatures can plunge to a frigid -6.5°C (20.3°F) at night and seldom rise above 3.2°C (37.8°F) during the day. A significant portion of winter precipitation comes as snow, with the highest snowfall recorded in February at 115mm (4.53"). The city's daylight hours are also the shortest in winter, ranging from 9 hours in January to 8.6 hours in December.

Weather in January

January marks the commencement of the year with the coldest temperatures in Cluj-Napoca, Romania. Nightly lows plunge to below freezing, -6.5°C (20.3°F) being the most common, making it the month experiencing the lowest temperatures of the year. Weather in January »

Weather in February

With February comes a slight increase in daytime temperatures, yet, freezing temperatures persist, especially during the evenings and nights. Snowfall in Cluj-Napoca reaches peak in this month, climbing to 115mm (4.53"). Rainfall isn't remarkably different from January with a total of 20mm (0.79") spread over five days. Weather in February »

Weather in March

The arrival of March brings a noticeable shift in weather, marking the transition from Cluj-Napoca's harsh winter towards milder spring conditions. Daylight hours significantly increase from last month's average, reflecting a shift in season. Weather in March »

Weather in April

April's weather heralds the true arrival of spring in Cluj-Napoca. The chances of snowfall drop dramatically to 13mm (0.51"), indicating winter's retreat. Average high temperatures climb to a comfortable 15°C (59°F), a noticeable increase from last month. Weather in April »

Weather in May

In May, the weather in Cluj-Napoca transitions from spring towards the early stages of summer. High temperatures rise above 20°C (68°F), suggesting a shift to warmer days. This month records a significant increase in rainfall with 69mm (2.72") received over 11 days, making it one of the most humid months of the year. Weather in May »

Weather in June

June marks the start of summer in Cluj-Napoca with the longest daylight hours of the year, although temperatures remain moderate compared to other summer months. The trend of increasing rainfall continues, culminating at 95mm (3.74") over 11 days, the highest for the year. Weather in June »

Weather in July

July, being the hottest month in Cluj-Napoca, experiences high temperatures of up to 24.5°C (76.1°F). Meanwhile, the amount of rainfall decreases to 81mm (3.19") over 10 days from June's high. This month marks a period of respite from snowfall, coupled with an extended duration of daylight hours and a significant UV index of 8. Weather in July »

Weather in August

August weather remains largely similar to July's, with high temperatures hovering at around 24.3°C (75.7°F), indicating continued summer conditions. A decrease is noted in rainfall which drops to 60mm (2.36") over eight days, offering drier conditions than July. Weather in August »

Weather in September

September sees transitions in Cluj-Napoca's weather, ushering in fall with cooler temperatures. Sunshine hours gradually decline from the summer's peak, synchronizing with the shorter length of the day. Despite being the end of summer, the UV index of 5 still demands sun protection during mid-day. Weather in September »

Weather in October

October ushers in cooler weather in Cluj-Napoca as autumn takes root. High temperatures lower to a comfortable range, marking a stark contrast to the summer's heat. The occurrence of snowfall is still minimal; however, rainfall remains consistent at 31mm (1.22") over six days, near September's levels. Weather in October »

Weather in November

November's weather in Cluj-Napoca is characterized by decreasing temperatures, hinting at the onset of winter. Snowfall starts to make an appearance again with 26mm (1.02"), signaling the forthcoming snow season. However, rainfall remains consistent at around 30mm (1.18") over seven days. Weather in November »

Weather in December

December welcomes the return of winter in Cluj-Napoca with cold temperatures and increased snowfall of 58mm (2.28"). It also brings with it the shortest daylight hours of the year. Rainfall is not exceptional at 32mm (1.26") over seven days, and the UV index remains at the minimum, indicating weak sunlight. Weather in December »

Frequently asked questions

What month is the coldest in Cluj-Napoca?

In Cluj-Napoca, January is the month with the lowest recorded average temperatures, measuring a high of 0.3°C (32.5°F) and a low of -6.5°C (20.3°F).

How much does it rain in Cluj-Napoca?

In Cluj-Napoca, during the entire year, the rain falls for 91 days and collects up to 548mm (21.57") of precipitation.

When does it snow in Cluj-Napoca?

January through April, October through December are months with snowfall.

How much does it snow in Cluj-Napoca?

In Cluj-Napoca, Romania, during the entire year, snow aggregates up to 335mm (13.19").

When is the lowest UV index in Cluj-Napoca?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Cluj-Napoca.

What is the driest month in Cluj-Napoca?

February is the month with the least rainfall. Rain falls for 5 days and accumulates 20mm (0.79") of precipitation.

When does it snow the most in Cluj-Napoca?

The month with the most snowfall is February, when 115mm (4.53") of snow is typically aggregated.

When it does not snow in Cluj-Napoca?

May through September are months without snowfall.

What is the wettest month in Cluj-Napoca?

June is the month with the most rainfall. Rain falls for 11 days and accumulates 95mm (3.74") of precipitation.

When are the longest days in Cluj-Napoca?

June has the longest days of the year, with an average of 15h and 48min of daylight.

When is the highest UV index in Cluj-Napoca?

The months with the highest UV index in Cluj-Napoca are June and July, with an average maximum UV index of 8.

What is the warmest month in Cluj-Napoca?

July temperatures in Cluj-Napoca, Romania, tend to peak at an average high of 24.5°C (76.1°F) and dip to a low of 12.7°C (54.9°F).

What month has the most sunshine in Cluj-Napoca?

The month with the most sunshine in Cluj-Napoca is July, with an average of 8.8h of sunshine.

When is Daylight Saving Time (DST) in Cluj-Napoca?

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Cluj-Napoca, Romania, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.

What is the month with the shortest days in Cluj-Napoca?

With an average of 8h and 36min of daylight, December has the shortest days of the year in Cluj-Napoca.

What is the month with the least sunshine in Cluj-Napoca?

With an average of 1.8h of sunshine, December has the least sunshine of the year in Cluj-Napoca.

Average temperature
Cluj-Napoca, Romania

Average temperature - Cluj-Napoca, Romania

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average rainfall
Cluj-Napoca, Romania

Average rainfall - Cluj-Napoca, Romania

The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days
Cluj-Napoca, Romania

Average rainfall days - Cluj-Napoca, Romania

The months with the highest number of rainy days are May and June (11 days).
The months with the least rainy days are February and March (5 days).

Average snowfall
Cluj-Napoca, Romania

Average snowfall - Cluj-Napoca, Romania

The month with the highest snowfall is February (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average daylight / Average sunshine
Cluj-Napoca, Romania

Average daylight / Average sunshine - Cluj-Napoca, Romania

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average UV index
Cluj-Napoca, Romania

Average UV index - Cluj-Napoca, Romania

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

Cluj-Napoca, Romania

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location