Climate averages 1991–2020
Bacău weather
in May.
A mild, 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 mild month in Bacău: daytime highs average 20.8°C and nights cool to about 10.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 64 mm of rain on roughly 10 days, which makes May a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 59 min on an average May day.
The nearest other city in this atlas is Piatra Neamţ (59 km away). In May its highs average 18.4°C, 2.4°C cooler than Bacău, with 90 mm of rain.
Among the 27 cities listed in Romania, Bacău ranks joint 13th of 27 for the warmest May highs and 6th of 27 for the driest May (rainfall, lowest first). The mean May high of those 27 cities is 20.8°C; Bacău is 0.1°C cooler than that mean.
From May to June, average highs rise by 3.6°C to 24.4°C, and monthly rainfall rises from 64 mm to 81 mm.
The annual picture
May in context
Monthly precipitation
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
Bacău climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.8°C-5.7°C | -5.7°C | 30 | 5.8 | 9.09 h |
| February | 4.2°C-4.4°C | -4.4°C | 28 | 6.3 | 10.310 h |
| March | 9.1°C-0.6°C | -0.6°C | 39 | 8.0 | 11.912 h |
| April | 15.3°C4.9°C | 4.9°C | 48 | 9.0 | 13.514 h |
| May, selected | 20.8°C10.6°C | 10.6°C | 64 | 10.1 | 15.015 h |
| June | 24.4°C14.8°C | 14.8°C | 81 | 10.2 | 15.816 h |
| July | 26.3°C16.7°C | 16.7°C | 70 | 8.6 | 15.415 h |
| August | 26.1°C16.5°C | 16.5°C | 44 | 6.3 | 14.214 h |
| September | 20.9°C11.8°C | 11.8°C | 46 | 6.4 | 12.613 h |
| October | 14.9°C6.4°C | 6.4°C | 44 | 6.0 | 10.911 h |
| November | 8.3°C1.3°C | 1.3°C | 35 | 5.7 | 9.59 h |
| December | 2.9°C-3.8°C | -3.8°C | 36 | 6.7 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Piatra Neamţ in MayRomania · 59 kmHigh 18.4°C · Low 8.1°C · 90 mm rain
- Iaşi in MayRomania · 85 kmHigh 21.8°C · Low 11.4°C · 60 mm rain
- Suceava in MayRomania · 129 kmHigh 19.1°C · Low 8.8°C · 70 mm rain
- Botoşani in MayRomania · 133 kmHigh 21.0°C · Low 11.0°C · 66 mm rain
- Braşov in MayRomania · 144 kmHigh 18.6°C · Low 9.1°C · 90 mm rain
- Galaţi in MayRomania · 153 kmHigh 22.6°C · Low 12.6°C · 54 mm rain
- Bălţi in MayMoldova · 153 kmHigh 21.6°C · Low 11.2°C · 60 mm rain
- Chisinau in MayMoldova · 156 kmHigh 22.2°C · Low 11.7°C · 54 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 Bacău) is explained once on the Bacău year overview and on the Sources, method and limits page.