Climate averages 1991–2020
Bologna weather
in July.
A hot, moderately wet month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Bologna: daytime highs average 30.8°C and nights cool to about 19.4°C. By daytime temperature it is the warmest month of the year.
Expect about 46 mm of rain on roughly 6 days, which makes July a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 11 min on an average July day.
The nearest other city in this atlas is Modena (37 km away). In July its highs average 30.1°C, 0.8°C cooler than Bologna, with 47 mm of rain.
Among the 79 cities listed in Italy, Bologna ranks 10th of 79 for the warmest July highs and 49th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 28.9°C; Bologna is 1.9°C warmer than that mean.
From July to August, average highs fall by 0.4°C to 30.5°C, and monthly rainfall rises from 46 mm to 53 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Modena in JulyItaly · 37 kmHigh 30.1°C · Low 18.6°C · 47 mm rain
- Ferrara in JulyItaly · 44 kmHigh 31.0°C · Low 19.9°C · 61 mm rain
- Carpi in JulyItaly · 49 kmHigh 30.7°C · Low 19.6°C · 47 mm rain
- Reggio nell'Emilia in JulyItaly · 60 kmHigh 29.7°C · Low 18.5°C · 51 mm rain
- Forlì in JulyItaly · 64 kmHigh 30.6°C · Low 18.5°C · 45 mm rain
- Ravenna in JulyItaly · 69 kmHigh 29.6°C · Low 20.2°C · 48 mm rain
- Pistoia in JulyItaly · 71 kmHigh 28.9°C · Low 18.2°C · 42 mm rain
- Prato in JulyItaly · 71 kmHigh 29.1°C · Low 18.6°C · 42 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.