Treviso has a humid subtropical climate (Köppen Cfa) with hot, humid summers and cool, damp winters. Located in the Veneto plain about 15 km from the Adriatic Sea, the city gets consistent rainfall year-round with peaks in spring and autumn. Here’s the complete Treviso weather by month breakdown with real temperature and rainfall data to help you plan. For climate context, see our where to stay in Treviso guide.
Treviso Weather by Month: Monthly Breakdown
January in Treviso
January is the coldest month with an average temperature of 3.3°C (37.9°F). Daytime highs reach about 7°C (45°F) while nights drop to 0°C (32°F). Frost is common on clear nights. Rainfall averages 58mm over 6 to 7 rainy days. Snow is rare but possible, with maybe one light dusting per winter. The city is quiet after the Christmas season ends on January 6 (Epiphany). Daylight is short (about 9 hours) with sunset around 4:55 PM. Hotel rates are at their lowest all year.
February in Treviso
February warms slightly to an average of 4.7°C (40.5°F) with highs around 9°C (48°F). Rainfall drops to 54mm, making it the driest month. The Carnevale di Venezia usually falls in February, bringing more visitors to the region even though Treviso itself stays relatively calm. Daylight increases to about 10.5 hours. Pack layers: mornings are cold but afternoons can feel mild in the sun.
March in Treviso
March brings the first real signs of spring with average temperatures rising to 8.6°C (47.5°F) and highs reaching 13°C (55°F). Rainfall increases to 64mm. The weather is unpredictable: you can get warm sunny days and cold rainy stretches in the same week. Outdoor cafe tables begin appearing in Piazza dei Signori.
April in Treviso
April averages 12.6°C (54.7°F) with pleasant daytime highs of 18°C (64°F). Rainfall jumps to 78mm, often as afternoon showers. The city’s plane trees and gardens burst into bloom along the Sile River. The Treviso in Fiore flower show typically happens in April. This is a good month for walking the historic center and exploring the canals.
May in Treviso
May is one of the best months to visit with an average of 17.3°C (63.1°F) and highs around 22°C (72°F). Rainfall peaks at 89mm, making it the second-wettest month, but rain usually comes in short, heavy bursts rather than all-day drizzles. Sunshine hours increase to about 8 per day. Humidity sits around 65 to 70 percent. Outdoor dining along the canals is in full swing.
June in Treviso
June is warm with an average of 21.0°C (69.8°F) and daytime highs reaching 26°C (79°F). It’s the wettest month at 92mm, often from afternoon thunderstorms that clear within an hour. Humidity is high at around 70 percent, making it feel warmer than the thermometer reads. Daylight lasts about 15.5 hours with sunset after 9 PM.
July in Treviso
July is the hottest month with an average of 23.5°C (74.3°F) and daytime highs of 29°C (84°F). Heat waves can push temperatures above 33°C (91°F) for several days. Rainfall drops to 74mm. The Suoni di Marca music festival fills the 16th-century city walls with free concerts for 15 days. Humidity remains high, so air conditioning matters when choosing accommodation.
August in Treviso
August averages 22.8°C (73.0°F) with highs similar to July at 29°C (84°F). Rainfall is 82mm, often as dramatic thunderstorms after humid days. Many locals leave for their August holiday (Ferragosto around August 15), so some smaller restaurants and shops close for 1 to 2 weeks. Mosquitoes are active near the canals, so bring repellent with DEET.
September in Treviso
September cools to an average of 18.8°C (65.8°F) with highs around 24°C (75°F). Rainfall is 88mm. Early September still feels like summer, but by the end of the month autumn arrives. The Home Festival and Treviso Comic Book Festival draw big crowds, and the Prosecco grape harvest (vendemmia) begins.
October in Treviso
October averages 13.6°C (56.5°F) with highs around 18°C (64°F). It’s the wettest month at 96mm with 8 to 9 rainy days. Fog begins rolling in from the Po Valley, especially in the mornings. The radicchio rosso di Treviso season starts in late October. Pack a raincoat and waterproof shoes. Hotel prices drop significantly from summer highs.
November in Treviso
November is chilly and damp with an average of 8.0°C (46.4°F) and highs around 12°C (54°F). Rainfall is 94mm, and fog is frequent. This is the quietest month for tourism. The radicchio festivals kick off in surrounding towns.
December in Treviso
December averages 3.8°C (38.8°F) with highs around 7°C (45°F) and lows near 0°C (32°F). Rainfall is 68mm. Christmas markets in Piazza dei Signori and along Via Calmaggiore run from late November through December 24. The city is decorated with lights and has a festive atmosphere without the crowds of Venice.
Treviso Weather by Month: Comparison Table
| Month | Avg Temp (°C) | Avg Temp (°F) | High (°C) | Low (°C) | Rain (mm) | Rain Days | Sun Hours |
|---|---|---|---|---|---|---|---|
| Jan | 3.3 | 37.9 | 7 | 0 | 58 | 6 | 3 |
| Feb | 4.7 | 40.5 | 9 | 1 | 54 | 5 | 4 |
| Mar | 8.6 | 47.5 | 13 | 4 | 64 | 6 | 5 |
| Apr | 12.6 | 54.7 | 18 | 7 | 78 | 8 | 6 |
| May | 17.3 | 63.1 | 22 | 12 | 89 | 9 | 8 |
| Jun | 21.0 | 69.8 | 26 | 16 | 92 | 9 | 9 |
| Jul | 23.5 | 74.3 | 29 | 18 | 74 | 7 | 10 |
| Aug | 22.8 | 73.0 | 29 | 17 | 82 | 7 | 9 |
| Sep | 18.8 | 65.8 | 24 | 14 | 88 | 7 | 7 |
| Oct | 13.6 | 56.5 | 18 | 9 | 96 | 8 | 5 |
| Nov | 8.0 | 46.4 | 12 | 4 | 94 | 8 | 3 |
| Dec | 3.8 | 38.8 | 7 | 0 | 68 | 6 | 3 |
Treviso gets about 930mm of rain annually across roughly 90 rainy days. The wettest months are May, June, October, and November. The driest are January and February. Sunshine peaks at 10 hours per day in July and bottoms out at 3 hours in December and January.
For help deciding when to go, see our Best Time to Visit Treviso. For packing advice and practical info, read our Treviso Travel Tips and FAQ. For the complete overview, visit our Treviso travel guide hub page.
See our things to do in Treviso guide for more information. See our Treviso events and festivals calendar for more information.
See our Treviso neighborhoods guide for more information.
