Spring — March to May
Spring is one of the two best times to visit Bucharest. March is still cool and unpredictable (4–13°C, with occasional cold snaps), but by April the city warms noticeably (10–19°C) and May is genuinely pleasant (14–24°C). The linden trees along Calea Victoriei and Kiseleff Boulevard come into bloom by late April, and outdoor café terraces reopen across Lipscani and the Old Royal Court.
March can bring lingering grey days and rain — pack for both cold mornings and mild afternoons. By May, evenings are warm enough to sit outside comfortably, and the city's parks — Herăstrău, Cișmigiu, and Carol Park — fill with locals again after winter.
Key events: George Enescu International Festival preparations and smaller concerts build through spring at the Romanian Athenaeum. Easter (Orthodox Easter often falls later than Western Easter, sometimes into May) brings church processions and traditional markets with painted eggs and cozonac (sweet bread). TIFF, Romania's major international film festival, takes place in Cluj-Napoca rather than Bucharest, so don't plan a spring trip around it here.
What to pack: layers — a jacket for March and early April mornings, lighter clothing for May afternoons. An umbrella for spring showers. Comfortable shoes for the cobblestones in Lipscani.
Summer — June to August
Summer in Bucharest is hot and can be intensely humid. June is the most comfortable of the three (19–29°C), while July and August regularly reach 30–35°C, with heatwaves occasionally pushing past 38°C. Bucharest sits on a flat plain with little breeze, so the heat can feel heavier than the numbers suggest.
Many Bucharestians leave the city for the Black Sea coast (Mamaia, Constanța) or the Carpathian mountains on weekends, which makes the centre slightly quieter but the nightlife scene, oddly, doesn't slow down — rooftop bars and open-air clubs in Lipscani and along the Dâmbovița river become the default rather than the exception.
Key events: the George Enescu International Festival, one of the most significant classical music festivals in Europe, is held in Bucharest in September of odd-numbered years (it's biennial), drawing major international orchestras to the Romanian Athenaeum and the Palace Hall — check dates if travelling in a festival year. Summer proper brings smaller open-air concerts and film screenings in Herăstrău and Cișmigiu parks. Street Delivery, a car-free street festival celebrating urban culture, typically runs in one of the central neighbourhoods in early summer.
What to pack: light, breathable clothing, sunscreen, and a hat. A light layer for air-conditioned interiors and late-night terraces. Good walking shoes — the boulevards are long and shade is limited at midday.
Autumn — September to October (with November transition)
Early autumn is the other peak season and arguably the most flattering time to see the city. September stays warm (14–25°C) with the summer humidity gone, and October is crisp and comfortable (9–18°C) with the plane trees along Calea Victoriei turning gold. Crowds are noticeably lighter than summer.
This is when the George Enescu International Festival lands in odd-numbered years, filling the Romanian Athenaeum and other venues with world-class orchestras for nearly a month — genuinely one of the best reasons to time a visit around September. Romania's wine harvest also peaks in September and October; Dealu Mare, the wine region just north of the city, produces the indigenous Fetească Neagră red, and new-vintage wines begin appearing on Bucharest wine lists.
November is the sharp transition into cold: temperatures drop to 4–11°C, days shorten fast, and rain becomes more frequent. The city starts preparing for Christmas by late November, with markets being assembled on Piața Constituției and Piața Universității.
What to pack: layers through September and October — warm mornings, cool evenings. A proper jacket from mid-October onward, and an umbrella for November's rain.
Winter — December to February
Bucharest winters are cold and can be severe, with temperatures typically ranging from −5°C to 4°C and occasional drops well below that during cold snaps from the east. Snow is common between December and February, though it doesn't always settle for long in the city centre itself. Skies are frequently grey, and days are short.
December is transformed by the Christmas market on Piața Constituției, in front of the Palace of Parliament — one of the largest Christmas markets in Eastern Europe, with an ice rink, a large tree, mulled wine (vin fiert), and stalls selling Romanian crafts and food. A smaller, more atmospheric market sets up around Piața Universității and the Old Royal Court in Lipscani.
January and February are the quietest, coldest months — good for low prices and a genuinely local city with almost no tourists, but demanding if you need daylight and warmth. The Romanian Athenaeum's concert season runs through the winter, and tickets remain some of the cheapest in Europe for the quality on offer.
What to pack: a heavy winter coat, hat, gloves, and scarf are essential — the wind across the flat Wallachian plain adds a real chill. Waterproof boots for slush on Lipscani's cobblestones. Layers underneath for moving between cold streets and heated interiors.