Bologna is at its most pleasant from mid April to early June, and again from late September to October. For sun, aim for June to mid September; for walking, go from late February to mid May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from June to mid September. It peaks in mid June, at 65. The weakest stretch is from mid October to mid April, when it drops to 0, mostly because it is too cool. The clearest skies come in July, when the sky is typically 34% covered at midday (mostly clear).
For being outside, go from mid April to early June, with a second spell from late September to October. It peaks in mid May, at 78. Avoid late November to mid February for this: it falls to 0, mostly because it is too cold.
The walking season here runs from late February to mid May, with a second spell from October to November. It peaks in early April, at 81. The weakest stretch is from late July to August, when it drops to 7, mostly because it is too warm.
The year, measured
The average temperature in Bologna over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 1°C. Bologna has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 32% in February, the wettest. Winds in Bologna are highest in July, averaging 2.0 m/s (7 km/h), and lightest in December, at 1.5 m/s (5 km/h). The prevailing wind is from the N. The clearest skies in Bologna come in July, when the sky is typically 31% covered; December is the cloudiest month, at 59%.
Month by month Bologna climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 6°C | 1°C | 2°C | 25% | 55% | 1.7 m/s | 1 | 0 | 22 |
| February | 9°C | 4°C | 6°C | 32% | 53% | 1.8 m/s | 4 | 0 | 52 |
| March | 13°C | 5°C | 10°C | 27% | 49% | 1.9 m/s | 22 | 0 | 70 |
| April | 17°C | 9°C | 15°C | 21% | 46% | 1.9 m/s | 59 | 5 | 78 |
| May | 21°C | 14°C | 20°C | 29% | 50% | 1.9 m/s | 75 | 21 | 60 |
| June | 27°C | 19°C | 27°C | 23% | 36% | 1.9 m/s | 44 | 62 | 18 |
| July | 29°C | 21°C | 30°C | 29% | 31% | 2.0 m/s | 21 | 61 | 9 |
| August | 29°C | 20°C | 30°C | 22% | 32% | 1.9 m/s | 22 | 62 | 10 |
| September | 24°C | 16°C | 24°C | 25% | 38% | 1.9 m/s | 60 | 50 | 34 |
| October | 18°C | 12°C | 18°C | 28% | 48% | 1.6 m/s | 73 | 7 | 76 |
| November | 11°C | 7°C | 9°C | 32% | 59% | 1.7 m/s | 13 | 0 | 66 |
| December | 6°C | 3°C | 3°C | 23% | 59% | 1.5 m/s | 0 | 0 | 28 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Bologna weather by season
Year round, Bologna has days of about 6°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from 1°C to 21°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around February and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Bologna weather in winterDecember to February
Winter in Bologna has typical daily highs of about 7°C and lows of about 3°C, with a 27% chance of rain on a given day.
Bologna weather in springMarch to May
Spring in Bologna has typical daily highs of about 17°C and lows of about 9°C, with a 26% chance of rain on a given day.
Bologna weather in summerJune to August
Summer in Bologna has typical daily highs of about 28°C and lows of about 20°C, with a 25% chance of rain on a given day.
Bologna weather in autumnSeptember to November
Autumn in Bologna has typical daily highs of about 18°C and lows of about 12°C, with a 28% chance of rain on a given day.
When is the rainy season in Bologna?
Bologna has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 32% in February, the wettest.
What time of year is Bologna windiest?
Winds in Bologna are highest in July, averaging 2.0 m/s (7 km/h), and lightest in December, at 1.5 m/s (5 km/h). The prevailing wind is from the N.
What is the average temperature in Bologna year round?
The average temperature in Bologna over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 1°C.
Where to go instead in late January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.