Climate averages 1991–2020
Bologna weather
in April.
A mild, moderately wet month: the 7th warmest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Bologna: daytime highs average 18.2°C and nights cool to about 7.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 76 mm of rain on roughly 10 days, which makes April a moderately wet month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average April day.
The nearest other city in this atlas is Modena (37 km away). In April its highs average 17.8°C, about as warm as Bologna, with 73 mm of rain.
Among the 79 cities listed in Italy, Bologna ranks joint 14th of 79 for the warmest April highs and 36th of 79 for the driest April (rainfall, lowest first). The mean April high of those 79 cities is 17.4°C; Bologna is 0.8°C warmer than that mean.
From April to May, average highs rise by 4.8°C to 23.0°C, and monthly rainfall stays at 76 mm.
The annual picture
April 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
Bologna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.2°C0.5°C | 0.5°C | 45 | 7.4 | 9.29 h |
| February | 10.1°C0.6°C | 0.6°C | 65 | 7.5 | 10.410 h |
| March | 14.5°C4.1°C | 4.1°C | 63 | 8.1 | 11.912 h |
| April, selected | 18.2°C7.8°C | 7.8°C | 76 | 10.2 | 13.413 h |
| May | 23.0°C12.3°C | 12.3°C | 76 | 9.4 | 14.815 h |
| June | 27.8°C16.6°C | 16.6°C | 60 | 7.7 | 15.515 h |
| July | 30.8°C19.4°C | 19.4°C | 46 | 6.3 | 15.215 h |
| August | 30.5°C19.5°C | 19.5°C | 53 | 7.6 | 14.014 h |
| September | 24.9°C15.1°C | 15.1°C | 68 | 8.0 | 12.613 h |
| October | 19.2°C10.8°C | 10.8°C | 76 | 8.7 | 11.011 h |
| November | 13.3°C6.0°C | 6.0°C | 91 | 10.0 | 9.610 h |
| December | 8.7°C1.4°C | 1.4°C | 69 | 8.7 | 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
April in nearby cities
- Modena in AprilItaly · 37 kmHigh 17.8°C · Low 7.1°C · 73 mm rain
- Ferrara in AprilItaly · 44 kmHigh 18.6°C · Low 8.1°C · 73 mm rain
- Carpi in AprilItaly · 49 kmHigh 18.4°C · Low 7.7°C · 73 mm rain
- Reggio nell'Emilia in AprilItaly · 60 kmHigh 17.5°C · Low 7.0°C · 83 mm rain
- Forlì in AprilItaly · 64 kmHigh 18.2°C · Low 7.4°C · 72 mm rain
- Ravenna in AprilItaly · 69 kmHigh 17.3°C · Low 8.5°C · 62 mm rain
- Pistoia in AprilItaly · 71 kmHigh 17.4°C · Low 7.3°C · 97 mm rain
- Prato in AprilItaly · 71 kmHigh 17.3°C · Low 7.5°C · 97 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 Bologna) is explained once on the Bologna year overview and on the Sources, method and limits page.