Climate averages 1991–2020
Bucharest weather
in May.
A warm, moderately wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Bucharest: daytime highs average 22.6°C and nights cool to about 11.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 70 mm of rain on roughly 11 days, which makes May a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 46 min on an average May day.
The nearest other city in this atlas is Ploieşti (58 km away). In May its highs average 20.8°C, 1.8°C cooler than Bucharest, with 77 mm of rain.
Among the 27 cities listed in Romania, Bucharest ranks joint 2nd of 27 for the warmest May highs and joint 11th of 27 for the driest May (rainfall, lowest first). The mean May high of those 27 cities is 20.8°C; Bucharest is 1.8°C warmer than that mean.
From May to June, average highs rise by 3.8°C to 26.4°C, and monthly rainfall rises from 70 mm to 88 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bucharest climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.8°C-4.6°C | -4.6°C | 39 | 6.5 | 9.39 h |
| February | 6.0°C-3.0°C | -3.0°C | 33 | 6.3 | 10.410 h |
| March | 11.3°C1.1°C | 1.1°C | 46 | 8.4 | 11.912 h |
| April | 17.3°C6.3°C | 6.3°C | 57 | 9.5 | 13.413 h |
| May, selected | 22.6°C11.8°C | 11.8°C | 70 | 11.1 | 14.815 h |
| June | 26.4°C16.1°C | 16.1°C | 88 | 12.3 | 15.515 h |
| July | 28.6°C18.3°C | 18.3°C | 79 | 10.0 | 15.215 h |
| August | 28.8°C18.4°C | 18.4°C | 49 | 7.4 | 14.014 h |
| September | 23.4°C13.6°C | 13.6°C | 60 | 6.3 | 12.613 h |
| October | 17.0°C8.2°C | 8.2°C | 53 | 7.1 | 11.011 h |
| November | 10.3°C2.8°C | 2.8°C | 45 | 6.8 | 9.710 h |
| December | 4.3°C-2.5°C | -2.5°C | 44 | 6.9 | 8.99 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Ploieşti in MayRomania · 58 kmHigh 20.8°C · Low 10.0°C · 77 mm rain
- Ruse in MayBulgaria · 66 kmHigh 22.9°C · Low 12.7°C · 65 mm rain
- Buzău in MayRomania · 98 kmHigh 22.0°C · Low 11.3°C · 75 mm rain
- Piteşti in MayRomania · 109 kmHigh 20.2°C · Low 9.7°C · 88 mm rain
- Braşov in MayRomania · 141 kmHigh 18.6°C · Low 9.1°C · 90 mm rain
- Shumen in MayBulgaria · 145 kmHigh 20.9°C · Low 10.5°C · 61 mm rain
- Râmnicu Vâlcea in MayRomania · 156 kmHigh 20.7°C · Low 9.9°C · 95 mm rain
- Pleven in MayBulgaria · 164 kmHigh 22.9°C · Low 12.5°C · 78 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bucharest) is explained once on the Bucharest year overview and on the Sources, method and limits page.