Last updated: August 27, 2025
April in Cluj-Napoca, Romania, paints a vivid picture of transition as winter gives way to spring. The maximum temperatures reach a comfortable 26°C (80°F), while the average hovers around a cool 9°C (48°F), with minimums dipping to a brisk -7°C (20°F). Visitors can expect 52 mm (2.0 in) of precipitation spread over 12 days, contributing to the city's lush scenery. With a humidity level of 79%, the air feels fresh and invigorating, making April an ideal month for exploring the blooming landscapes and vibrant culture of Cluj-Napoca.
In April, Cluj-Napoca, Romania begins to shake off the chill of winter, ushering in a refreshing transition toward warmer days. With temperatures ranging from a chilly minimum of -7°C (20°F) to a pleasant maximum of 26°C (80°F), the city experiences a notable rise in warmth compared to previous months. The average temperature settles around 9°C (48°F), indicating a significant shift as spring takes hold. This month marks a vibrant awakening for the region, where the crisp air of March gives way to more inviting conditions, setting the stage for blooming landscapes and lively outdoor activities. As April progresses, expect increasing sunshine and longer days, making it an ideal time to explore the charming streets and parks of Cluj-Napoca.
In April, Cluj-Napoca experiences a notable transition as spring settles in, characterized by an average precipitation of 52 mm (2.0 in) over 12 days. This marks a slight decrease from March's rainfall but still maintains a steady rhythm of showers. The increased frequency of precipitation days suggests that while April may bring slightly less total rain, it provides more consistent moisture, essential for nurturing the budding flora. As the city prepares for May's significant uptick in rainfall, April serves as a gentle reminder of nature's awakening, balancing sunny days with refreshing spring rains.
As April arrives in Cluj-Napoca, Romania, the humidity begins to decline, reaching an average of 79%. This marks a noticeable drop from the winter months, where humidity levels hovered around 93% in January and 88% in February. By April, residents start to experience more comfortable conditions, paving the way for the pleasant spring atmosphere ahead. Following this trend, May and June continue to showcase lower humidity levels at 71%, offering a refreshing contrast to the earlier months. This progressive decrease not only enhances outdoor activities but also signals the transition into the drier summer months, where July and August enjoy even lower humidity levels of 64% and 55%, respectively. Overall, April serves as a pivotal point in Cluj-Napoca's climate, heralding the shift towards a more temperate and enjoyable spring season.
As April arrives in Cluj-Napoca, Romania, residents should be aware of the rising UV index, which hits 6 this month, indicating a high exposure category. This marks a notable increase from March's moderate rating of 5, suggesting that sun protection measures are becoming increasingly essential. With a burn time of just 25 minutes, it's clear that longer outdoor activities will require vigilance against UV radiation. Comparatively, the UV index will continue to climb in the following months, peaking at 9 during the height of summer. By staying informed and taking appropriate precautions, you can enjoy the sunny days ahead while safeguarding your skin. For more detailed information, visit the Cluj-Napoca UV Index.
UV Risk Categories
As April unfolds in Cluj-Napoca, the city basks in 347 hours of radiant sunshine, marking a delightful peak in the early spring. This month sets the tone for the warm months ahead, reflecting a steady increase from 290 hours in March. The trend continues as the days grow longer and brighter, leading into May, which boasts an impressive 392 hours of sunshine. With each passing month from January's modest 159 hours to April's sunny embrace, Cluj-Napoca transitions into a vibrant tapestry of light and warmth, inviting both locals and visitors to revel in the blossoming beauty of spring. The city’s sun-drenched days herald the arrival of summer, showcasing a promising shift in the weather that leaves everyone in high spirits.
As April unfolds in Cluj-Napoca, the chance of sunny weather slightly dips to 37%, following the sunny trend of March, which reaches 42%. This period marks a transition where daylight begins to stretch, yet the sun still plays a game of hide and seek, promising more warmth ahead. While May and June see the likelihood of sunny days on the rise, with chances reaching 38% and 50% respectively, April serves as a reminder that spring's embrace can still be a bit unpredictable. Nature's vibrant resurgence is just around the corner, with the changing seasons highlighting a gradual increase in sunshine, making every sunny day in April feel like a delightful surprise amid the lingering chill of winter.
As April arrives in Cluj-Napoca, residents eagerly welcome an increase in daylight, with 13 hours of sun illuminating their days. This marks a significant leap from the previous months, where January and February struggled with just 8 and 10 hours of daylight, respectively. The transition from winter to spring becomes evident as March offers an additional hour of light, hinting at the vibrant energy of the approaching warm season. April’s 13 hours sets the stage for the even longer days of May and June, where daylight peaks at 15 hours, revealing a delightful trend of increasing brightness that encapsulates the joy of springtime in this charming Romanian city.
In April, Cluj-Napoca experiences a gentle whisper of spring with an average wind speed of 2.2 m/s (5 mph), mirroring January’s calmness. This consistency suggests that the transition into warmer months is accompanied by a soothing breeze rather than turbulent gusts. As the flowers begin to bloom and the city awakens, this light wind offers a refreshing backdrop for leisurely strolls and outdoor activities. Notably, April's wind speed aligns with the summer winds, suggesting a stable climatic pattern that continues into May. Overall, the mild breezes of April add to the city's charm, making it a delightful time to explore the vibrant streets of Cluj-Napoca.
Weather in Cluj-Napoca varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Cluj-Napoca, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January feature starkly different weather patterns, reflecting the transition from winter to spring. In January, temperatures can drop as low as -21°C (-6°F) with an average around -3°C (28°F), while April sees a more moderate range, with minimums of -7°C (20°F) and average highs reaching 9°C (48°F). Precipitation is slightly more frequent in April, occurring over 12 days with a total of 52 mm (2.0 in), compared to January’s 34 mm (1.3 in) over 9 days. The humidity is also notably higher in January at 93%, compared to April's 79%, contributing to the winter's chill. For a detailed look at January weather, visit Cluj-Napoca weather in January.
April brings milder temperatures compared to February, with minimums around -7°C (20°F) and maximums reaching 26°C (80°F), resulting in an average temperature of 9°C (48°F). In contrast, February experiences colder conditions, with a minimum of -14°C (8°F) and a maximum of 16°C (61°F), leading to an average of only 1°C (34°F). While precipitation levels are similar, with April receiving 52 mm (2.0 in) over 12 days and February having 49 mm (1.9 in) across 11 days, April's humidity at 79% is slightly lower than February's 88%. For more detailed insights, you can check Cluj-Napoca weather in February.
In comparing the weather in April to that of March, April generally offers milder temperatures with an average of 9°C (48°F) and maximums reaching 26°C (80°F), whereas March experiences colder conditions, averaging around 4°C (39°F) with a maximum of 22°C (72°F). The minimum temperature in April also improves significantly, rising to -7°C (20°F) from March's -19°C (-1°F). Although precipitation levels are relatively close, with April receiving 52 mm (2.0 in) over 12 days and March seeing 56 mm (2.2 in) over 11 days, humidity slightly decreases in April to 79% compared to March's 86%. For more detailed weather insights, refer to Cluj-Napoca weather in March.
April weather in Cluj-Napoca showcases a significant range in temperatures, with lows reaching down to -7°C (20°F) and highs climbing to 26°C (80°F). The average temperature is a cool 9°C (48°F), accompanied by 52 mm (2.0 in) of precipitation spread over 12 days, creating a humid atmosphere with an average humidity of 79%.
In contrast, May offers a marked warming trend, with minimum temperatures rising to -1°C (30°F) and maximum temperatures nearly matching April's peak at 27°C (81°F). The average temperature in May is notably higher at 14°C (57°F). However, the month is wetter, with 115 mm (4.5 in) of rain over 19 days, though the humidity decreases to 71%. For more detailed insights into May’s climate, you can visit Cluj-Napoca weather in May.
April and June present quite different weather patterns. In April, temperatures can range from a chilly -7°C (20°F) at night to a pleasant 26°C (80°F) during the day, with an average temperature of 9°C (48°F). The month sees a moderate level of precipitation, totaling 52 mm (2.0 in) over about 12 days, and the humidity is relatively high at 79%. In contrast, June offers a warmer climate with temperatures starting at a minimum of 6°C (42°F) and peaking at 32°C (90°F), averaging 18°C (65°F). However, it experiences more rain, with 110 mm (4.3 in) of precipitation across 18 days, while humidity is lower at 71%. For more detailed insights on June weather, you can check Cluj-Napoca weather in June.
April and July present a stark contrast in weather patterns. In April, temperatures range from a chilly minimum of -7°C (20°F) to a warm maximum of 26°C (80°F), with an average of 9°C (48°F). The month sees about 52 mm (2.0 in) of precipitation across 12 days, contributing to a relatively high humidity of 79%. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a hot maximum of 32°C (89°F) and an average of 19°C (67°F). Although July receives nearly double the rainfall at 100 mm (3.9 in) over 16 days, the humidity drops to a more comfortable 64%. For more detailed information, you can visit Cluj-Napoca weather in July.
April weather in Cluj-Napoca is characterized by a broader temperature range, with minimums dropping to -7°C (20°F) and maximums reaching 26°C (80°F), offering an average of 9°C (48°F). It experiences relatively high humidity at 79% and moderate precipitation of 52 mm (2.0 in) over 12 days, reflecting the spring transition. In contrast, August presents a warmer climate with average temperatures around 20°C (68°F), peaking at 35°C (95°F), and only a slight increase in precipitation to 74 mm (2.9 in) over 11 days. The humidity in August is lower at 55%, contributing to a more comfortable summer atmosphere. For more details, check out Cluj-Napoca weather in August.
April and September present contrasting yet captivating weather conditions. In April, temperatures range from a chilly -7°C (20°F) to a warm 26°C (80°F), with an average of 9°C (48°F), and the month experiences a higher humidity level of 79%. The rainfall totals around 52 mm (2.0 in), spread over 12 days, making it a wetter month. In comparison, September offers milder temperatures, with a minimum of -1°C (31°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). Rainfall slightly increases to 59 mm (2.3 in), but it occurs over fewer days—only 8 in total. This results in a lower humidity level of 64%, contributing to a more comfortable atmosphere. For more detailed insights on September weather, visit Cluj-Napoca weather in September.
April and October in Cluj-Napoca present distinct weather characteristics despite their relatively mild temperatures. In April, the temperatures fluctuate between a chilly minimum of -7°C (20°F) and a warm maximum of 26°C (80°F), averaging around 9°C (48°F). With a total precipitation of 52 mm (2.0 in) over about 12 days, the humidity stands at 79%, contributing to a fresh and sometimes damp atmosphere.
In contrast, October sees slightly milder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 24°C (76°F), with an average temperature of 10°C (50°F). It experiences a similar amount of precipitation at 53 mm (2.1 in), but over only 7 days, resulting in a slightly drier feel. The humidity also creeps up to 83%, giving October a characteristic crispness. For more details on October’s weather, you can visit Cluj-Napoca weather in October.
April and November in Cluj-Napoca present distinct weather experiences. In April, temperatures range from a minimum of -7°C (20°F) to a pleasant maximum of 26°C (80°F), with an average of 9°C (48°F). The month sees a moderate amount of precipitation at 52 mm (2.0 in) over about 12 days, along with a humidity level of 79%. In contrast, November features slightly cooler temperatures, with a minimum of -8°C (19°F) and a maximum of 22°C (73°F), averaging around 5°C (41°F). Precipitation decreases to 41 mm (1.6 in) over 9 days, accompanied by higher humidity at 91%. For more specific insights into November's climate, you can visit Cluj-Napoca weather in November.
April and December in Cluj-Napoca present contrasting weather experiences. April boasts a wider temperature range, with lows of -7°C (20°F) and highs reaching up to 26°C (80°F), resulting in an average of 9°C (48°F). With a total precipitation of 52 mm (2.0 in) over 12 days, the month feels relatively humid at 79%. In contrast, December is much colder, featuring a minimum temperature of -13°C (9°F) and a maximum of 12°C (54°F), translating to an average of 0°C (33°F). This month also sees increased precipitation at 65 mm (2.6 in) over 13 days and higher humidity at 92%, contributing to a chillier atmosphere. For more details, check out Cluj-Napoca weather in December.
As April unfolds in Cluj-Napoca, the weather begins to shift notably from the lingering chill of winter to the hints of spring warmth. With temperatures rising to comfortable highs, residents and visitors can enjoy milder days, making outdoor activities more inviting. However, it's also a month where April showers play a role, contributing to notable humidity and a mix of sunny and rainy days. This transitional period not only brings a refreshing change but enhances the beauty of the landscape as nature awakens from its winter slumber. For more insights on what to expect throughout the year, check out Cluj-Napoca Climate.