Weather overview
Tournai enjoys a temperate maritime climate, with mild but distinct seasons. Winters in Tournai are cool, while summers remain comfortably warm without extreme heat. The transition months—spring and autumn—bring moderate temperatures and occasional rain, making them pleasant for exploring the city’s historic streets.
In Tournai, the weather rarely surprises with sudden extremes. January and February are the coldest months, with daytime highs around +7 °C and occasional chilly nights. By April, temperatures rise noticeably, and May marks the start of a gentler, sunnier period that lasts through September. Even in July and August, the warmest months, the heat stays manageable, with averages around +25 °C.
Temperature
The temperature in Tournai follows a steady rhythm throughout the year. From December to February, daytime highs hover between +7 °C and +9 °C, while nights can drop to around +2 °C. Frost is possible but not frequent, and snow is rare. By March, the air begins to warm, and by June, temperatures reach a comfortable +23 °C.
Summer in Tournai is mild compared to southern Europe, with July and August averaging +19.5 °C to +19.6 °C. Evenings remain cool, often dipping to +14.6 °C, so a light layer is useful. September brings a gradual cooldown, with temperatures settling around +16.4 °C by mid-month. By November, the city returns to cooler conditions, with highs near +10.8 °C and lows around +4.9 °C.
| Month | Minimum | Maximum |
|---|---|---|
| January | 1.7 | 7 |
| February | 2.8 | 9.2 |
| March | 4 | 11.7 |
| April | 5.9 | 15.8 |
| May | 9.5 | 19.6 |
| June | 13.1 | 23.4 |
| July | 14.6 | 25.1 |
| August | 14.6 | 25.1 |
| September | 11.8 | 21.6 |
| October | 9.1 | 16.6 |
| November | 4.9 | 10.8 |
| December | 3.2 | 8.3 |
Precipitation
Rain in Tournai is spread fairly evenly across the year, though some months are wetter than others. October and November see the highest rainfall, with totals around 77.9 mm and 71.4 mm, respectively. April is the driest month, with just 39.8 mm of precipitation, making it one of the better times for outdoor activities.
While Tournai doesn’t have a true dry season, July and March tend to be slightly drier, with rainfall around 42 mm and 55 mm. Even in wetter months, rain usually comes in short bursts rather than prolonged downpours. A compact umbrella or waterproof jacket is a good idea year-round, especially if you plan to spend time outside in October or December.
| Month | Precipitation |
|---|---|
| January | 67.8 |
| February | 50.8 |
| March | 55 |
| April | 39.8 |
| May | 63.8 |
| June | 68 |
| July | 42 |
| August | 57 |
| September | 55.8 |
| October | 77.9 |
| November | 71.4 |
| December | 69.2 |
What to pack
For a trip to Tournai in winter, pack layers to adapt to the cool but variable weather. A warm coat is useful for January and February, when temperatures can dip near freezing, but lighter sweaters may suffice for milder days. Waterproof shoes are a good idea, as rain is common even in colder months.
In spring and autumn, Tournai’s weather calls for versatile clothing. A light jacket or cardigan works well for March through May, while September and October may require an extra layer for cooler evenings. Comfortable walking shoes are a must, as the city’s cobblestone streets are best explored on foot.
Summer visitors to Tournai can pack light, breathable fabrics, but should include a light jacket or shawl for cooler evenings. Even in July and August, temperatures rarely exceed +25 °C, so there’s no need for heavy sun protection. A small umbrella or raincoat is still wise, as summer showers can occur without much warning.
| Month | Wind speed |
|---|---|
| January | 4.7 |
| February | 5.1 |
| March | — |
| April | 4.2 |
| May | 4 |
| June | 3.6 |
| July | 3.7 |
| August | 3.7 |
| September | 3.8 |
| October | 4.1 |
| November | 4.2 |
| December | 4.8 |