Bucharest is warmest in August, averaging 34° by day and 18° at night. The wettest month is June with 75 mm, and the year brings about 543 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 6° | -5° | 43 mm | 9.0 h | Cool |
| February | 10° | -3° | 17 mm | 10.2 h | Cool |
| March | 13° | 1° | 40 mm | 11.6 h | Mild |
| April | 19° | 6° | 48 mm | 13.2 h | Sightseeing |
| May | 24° | 12° | 56 mm | 14.6 h | Sightseeing |
| June | 29° | 16° | 75 mm | 15.3 h | Beach weather |
| July | 34° | 18° | 50 mm | 15.0 h | Beach weather |
| August | 34° | 18° | 34 mm | 13.9 h | Beach weather |
| September | 28° | 14° | 42 mm | 12.3 h | Beach weather |
| October | 21° | 8° | 31 mm | 10.7 h | Sightseeing |
| November | 13° | 3° | 48 mm | 9.3 h | Mild |
| December | 7° | -2° | 59 mm | 8.7 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: June, July, August and September — highs around 31°, nights no colder than 14°, and at most 75 mm of rain in a month.
Walking the city: April, May and October — highs of 19–24° and no more than 56 mm of rain a month.