Bolzano, nestled in northern Italy’s South Tyrol, experiences a continental climate with hot, stormy summers and cold, dry winters. The city sees moderate rainfall, mostly in summer, and enjoys around 1,900 hours of sunshine annually. Distinct seasons, Alpine surroundings, and a blend of Mediterranean and mountain influences make Bolzano’s weather unique and varied throughout the year.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Bolzano’s climate is characterised by pronounced seasonal contrasts. Summers (June–August) are hot and can be humid, with average daytime highs of 28–30°C in July and August, and occasional peaks above 34°C. Nights are generally cooler, around 16–17°C. Summer is also the wettest season, with frequent afternoon thunderstorms and monthly rainfall reaching up to 90–103 mm. Despite the rain, sunshine is abundant, with up to 7.5 hours per day in July. The surrounding mountains offer relief from the heat and opportunities for outdoor escapes.
Winters (December–February) are cold and mostly dry, with average highs of 6–8°C and lows often below freezing, around -2 to -3°C. Snow is relatively rare in the city, averaging about 30 cm annually, but the nearby mountains receive much more, making Bolzano a gateway for winter sports. Fog and grey skies are common in winter, with only 3–4 hours of sunshine per day. Spring and autumn are transitional, with pleasant temperatures in April–June (15–24°C) and September (18–24°C). Rain is more frequent in autumn, and the first frosts can arrive as early as late October. Winds are generally light, but the basin location can lead to stagnant air and temperature swings between day and night. The city receives about 700–1,100 mm of precipitation annually, with most rain falling in summer and early autumn.
| Average climate data for Bolzano, Italy | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 1 | 2 | 5 | 11 | 15 | 20 | 22 | 22 | 17 | 13 | 6 | 2 | 22 |
| Average minimum temperature (°C) | -8 | -8 | -4 | -1 | 3 | 7 | 9 | 9 | 6 | 2 | -1 | -6 | -8 |
| Average precipitation (mm) | 18 | 18 | 29 | 35 | 49 | 69 | 77 | 90 | 39 | 43 | 74 | 21 | 562 |
| Average rainfall days (days) | 9 | 8 | 11 | 15 | 19 | 20 | 20 | 18 | 12 | 10 | 12 | 8 | 163 |
| Average snowfall (mm) | 15 | 5 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 34 |
| Average snowfall days (days) | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
| Average relative humidity (%) | 81 | 82 | 81 | 78 | 74 | 73 | 72 | 74 | 77 | 77 | 81 | 76 | 77 |
| Average wind speed (km/h) | 6 | 7 | 7 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 15 | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 6 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 7 | 6 | 6 | 9 |
| Average cloud coverage (%) | 28 | 31 | 33 | 35 | 33 | 29 | 28 | 28 | 31 | 28 | 36 | 24 | 30 |
| Average UV index | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 4 | 3 | 2 | 2 | 2 | 3 |
The best time to visit Bolzano is from mid-April to mid-June and in September, when temperatures are mild (15–24°C), rainfall is moderate, and the city is lively with outdoor events. These periods offer comfortable weather for sightseeing, hiking, and enjoying the region’s natural and cultural attractions.
The least favourable time to visit is from November to February, when Bolzano is coldest (highs of 6–8°C, lows below freezing), daylight is short, and grey, foggy days are common. While winter has festive charm, outdoor activities can be limited by cold and damp conditions.
Bolzano has a continental climate with hot, stormy summers (28–30°C), cold, mostly dry winters (6–8°C by day, below freezing at night), and moderate rainfall, mainly in summer. Sunshine is abundant in summer, but winters are often grey.
Snow is relatively rare in Bolzano itself, with about 30 cm annually, but heavier snowfall occurs in the surrounding mountains. The city’s winters are more often cold and dry than snowy.
Summer is the wettest season in Bolzano, with frequent afternoon thunderstorms and monthly rainfall up to 90–103 mm. Autumn also sees increased rainfall, especially in September and October.
Bolzano enjoys about 1,900 hours of sunshine per year. Summer months have up to 7.5 hours of sunshine per day, while winter months see only 3–4 hours daily due to frequent cloud cover.
Pack layers for changing conditions, sun protection for summer, and a rain jacket or umbrella for spring, summer, and autumn. In winter, bring warm, waterproof clothing, especially if visiting nearby ski resorts.
Yes, while the city itself sees little snow, Bolzano is surrounded by major ski areas in the Dolomites and Ortler region, making it a convenient base for winter sports enthusiasts.
The warmest month, with the highest average maximum temperature, is July (22 °C). The month with the lowest average maximum temperature is January (0.8 °C). Overall, the average maximum temperature over the whole year is 11.2 °C.
The month with the highest average minimum temperature is August (9 °C). The coldest month, with the lowest average minimum temperature, is January (-7.8 °C). Overall, the average minimum temperature over the whole year is 0.6 °C.
The wettest month, with the highest amount of precipitation, is August (89.9 mm). The driest month, with the least amount of precipitation, is February (18 mm). Over the whole year there are 561.8 mm of rainfall on average.
The month with the most days of rain is July (20.3 days). The month with the fewest days of rain is February (8.1 days). Over the whole year there are 162.7 days of rain on average.
The month with the most snowfall is January (15 mm). The months with the least snowfall are May, June, July, August, September and October (0 mm). Over the whole year there are 33.9 mm of snowfall on average.
The month with the most days of snowfall is January (2.9 days). The months with the fewest days of snowfall are June, August and October (0 days). Over the whole year there are 8.8 days of snowfall on average.
The month with the highest average relative humidity is February (81.8 %). The month with the lowest average relative humidity is July (71.7 %). The overall average relative humidity over the whole year is 76.9 %.
The windiest month, with the highest average wind speed, is February (6.9 km/h). The calmest month, with the lowest average wind speed, is November (5.3 km/h). The overall average wind speed over the whole year is 6.2 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is November (36.1 %). The month with the clearest skies, so the lowest cloud coverage, is December (23.9 %). Over the whole year there is an average cloud coverage of 30.3 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8.1 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is June (Average sunshine: 11.2 h). The month with the least sunshine per day is November (Average sunshine: 6 h). Over the whole year there are 8.5 h of sunlight per day on average.
The month with the highest average UV index is July (UV index: 5). The months with the lowest average UV index are January, February, March, October, November and December (UV index: 2). Over the whole year the average UV index is 2.9.
