Italy · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Bologna are May, September and October, when daytime temperatures are agreeable and rainfall is relatively low.
Bologna sees its warmest weather in August, when daytime highs average around 31°C, and its coolest in January (around 7°C).
Annual precipitation totals roughly 660mm — November is typically the wettest month (~72mm) and August the driest (~30mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 7° / 0°C | 33mm | 🤔 Fair |
| February | 10° / 1°C | 58mm | 🤔 Fair |
| March | 15° / 4°C | 54mm | 👍 Good |
| April | 18° / 8°C | 64mm | 👍 Good |
| May | 23° / 12°C | 65mm | 🌟 Great |
| June | 28° / 16°C | 66mm | 👍 Good |
| July | 31° / 19°C | 33mm | 👍 Good |
| August | 31° / 19°C | 30mm | 👍 Good |
| September | 26° / 15°C | 52mm | 🌟 Great |
| October | 19° / 11°C | 69mm | 🌟 Great |
| November | 13° / 6°C | 72mm | 🤔 Fair |
| December | 9° / 2°C | 63mm | 🤔 Fair |
January in Bologna is cold, with average daytime highs around 7°C (45°F) and nighttime lows near 0°C (32°F). Expect roughly 33mm of precipitation spread over about 6 rainy days, with little rainfall.
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Bologna is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 1°C (34°F). Expect roughly 58mm of precipitation spread over about 6 rainy days, with little rainfall.
🎒 What to pack — jacket or coat · long-sleeve layers
March in Bologna is mild, with average daytime highs around 15°C (59°F) and nighttime lows near 4°C (39°F). Expect roughly 54mm of precipitation spread over about 7 rainy days, with little rainfall.
🎒 What to pack — light jacket · layers for cool evenings
April in Bologna is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 8°C (46°F). Expect roughly 64mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
May in Bologna is pleasantly warm, with average daytime highs around 23°C (74°F) and nighttime lows near 12°C (54°F). Expect roughly 65mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
June in Bologna is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 16°C (61°F). Expect roughly 66mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
July in Bologna is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 19°C (67°F). Expect roughly 33mm of precipitation spread over about 3 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
August in Bologna is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 19°C (66°F). Expect roughly 30mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
September in Bologna is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 15°C (59°F). Expect roughly 52mm of precipitation spread over about 6 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
October in Bologna is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 11°C (51°F). Expect roughly 69mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
November in Bologna is chilly, with average daytime highs around 13°C (55°F) and nighttime lows near 6°C (42°F). Expect roughly 72mm of precipitation, with a moderate amount of rain.
🎒 What to pack — jacket or coat · long-sleeve layers
December in Bologna is chilly, with average daytime highs around 9°C (47°F) and nighttime lows near 2°C (35°F). Expect roughly 63mm of precipitation, with a moderate amount of rain.
🎒 What to pack — jacket or coat · long-sleeve layers