Climate and monthly weather forecast
Belgium

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The climate of Belgium

Located in Northwestern Europe, Belgium's geography includes a coastal plain in the northwest, a central plateau, and the Ardennes uplands in the southeast. Owing to its marine west coast climate, Belgium experiences relatively mild weather throughout the year with an even distribution of rainfall across all seasons. In this climate, no month is truly dry, and the temperatures are consistently temperate, keeping extreme weather at bay. The average temperature during the coldest month is below 18°C (64.4°F) but above -3°C (26.6°F), while the warmest month typically sees average temperatures under 22°C (71.6°F). Skies are often overcast, contributing to the country's reputation for greyness. However, the overall temperate conditions make Belgium an all-year-round destination.

The best time to visit Belgium

The ideal time to visit Belgium is typically from April to June and September to October. During these periods, the country experiences its spring and autumn respectively, which are usually mild and pleasant. Temperatures during these times range from 10°C (50°F) to 20°C (68°F), making it a delightful time to explore the country’s various historical sites, indulge in outdoor activities, and soak up the local culture. Additionally, these seasons also witness lesser tourist crowds compared to the summer months, providing a more serene and tranquil experience.

The worst time to visit Belgium

The least favourable time to visit Belgium is generally in the winter months, from December to February, when temperatures can drop to 0°C (32°F), and daylight hours are significantly reduced. The country also experiences a higher volume of rainfall during these months. However, for those who enjoy quieter tourist destinations or have an affinity for winter sports in the nearby Ardennes, this period may still hold appeal.

Spring weather in Belgium

Spring in Belgium, from March to June, usually brings a fresh burst of life and colour to the landscape. Temperatures gradually increase from around 8°C (46.4°F) in early March to approximately 18°C (64.4°F) by June. The weather tends to be mild, although rainfall is frequent, with the total precipitation varying between 50mm (1.97") to 70mm (2.76") per month. This is also the time when the famous Belgian Bluebells bloom in the Hallerbos, creating a mesmerising carpet of blue in the forest.

Summer weather in Belgium

Summers, from June to August, in Belgium are generally cool and comfortable. Temperatures typically range from 15°C (59°F) to 22°C (71.6°F), though heatwaves pushing temperatures above 30°C (86°F) have occurred. Despite being the driest season, rainfall is still common with monthly precipitation levels around 70mm (2.76") to 90mm (3.54"). It is a popular time for tourists, especially those interested in attending Belgium's world-renowned music festivals, such as Tomorrowland.

Autumn weather in Belgium

Autumn in Belgium, which lasts from September to November, is characterised by gradually cooling temperatures and increased rainfall. During this time, temperatures fall from around 18°C (64.4°F) in September to approximately 8°C (46.4°F) in late November. Precipitation levels rise significantly, reaching up to 80mm (3.15") per month. The autumn foliage across the country's parks and forests presents a beautiful spectacle, particularly in the hilly regions of the Ardennes.

Winter weather in Belgium

Belgian winters, from December to February, are usually quite cold, with temperatures hovering around 0°C (32°F) to 6°C (42.8°F). Snowfall is infrequent but possible, particularly in the Ardennes, where it lends itself to winter sports. The country experiences its highest precipitation during this season, with monthly averages ranging from 70mm (2.76") to 100mm (3.94"). Despite the colder conditions, the Christmas markets in cities like Brussels and Bruges add a festive charm, making it a worthwhile time to visit for those equipped for the weather.

Weather in January

January is typically the coldest month in Belgium, making it a striking contrast to the relatively mild December. In January, Belgium experiences winter in full force. The average temperatures range between -1°C (30.2°F) and 5°C (41°F), with the coastal regions being slightly milder compared to the central plateau and the Ardennes uplands in the southeast. The Ardennes, which is the highest and most extensive region in Belgium, tends to have colder temperatures than the rest of the country. Weather in January »

Weather in February

February in Belgium sees the continuation of winter, though there are signs of a gradual transition towards spring towards the month's end. The average temperatures in February are slightly higher than in January, ranging from 0°C (32°F) to 6°C (42.8°F). Weather in February »

Weather in March

March in Belgium marks the transition from winter to spring. The average temperatures start to rise, ranging from 2°C (35.6°F) to 10°C (50°F). The coastal regions, such as the city of Ostend, continue to experience milder weather compared to inland regions. Weather in March »

Weather in April

April in Belgium welcomes the full onset of spring. Average temperatures continue their upward trend, ranging from 5°C (41°F) to 15°C (59°F), bringing about a noticeable change from the colder winter months. Coastal regions, such as Ostend, and central cities like Brussels and Antwerp enjoy warmer and longer days, marking a shift in the overall weather pattern. The Ardennes, despite being a cooler region, begins to see more of spring's influence with less frost and a decrease in snowfall occurrences. Weather in April »

Weather in May

May in Belgium signifies the end of spring and the onset of summer. This period is characterized by a further increase in temperatures, ranging between 8°C (46.4°F) and 18°C (64.4°F). Both coastal and central regions, including cities like Brussels, Antwerp, and Ostend, experience warmer weather, making outdoor activities and sightseeing highly enjoyable. The Ardennes region also experiences warmer temperatures and clearer skies during this time. Weather in May »

Weather in June

June in Belgium marks the official commencement of summer. The average temperatures rise noticeably, typically ranging from 12°C (53.6°F) to 20°C (68°F). This warming trend is experienced across the entire country, from the coastal city of Ostend to central cities such as Brussels and Antwerp, and even up to the higher altitudes of the Ardennes region. In the Ardennes, the summer warmth transforms the landscape, encouraging lush growth and a plethora of outdoor activities. Weather in June »

Weather in July

July in Belgium is the height of summer, offering some of the warmest and longest days of the year. Average temperatures typically range from 14°C (57.2°F) to 23°C (73.4°F), with coastal regions like Ostend and central cities such as Brussels and Antwerp experiencing consistent warmth. In the Ardennes, the climate remains slightly cooler than the rest of the country, but the warmth of summer still prevails. Weather in July »

Weather in August

August in Belgium continues the trend of summer, with persistently warm temperatures and long daylight hours. Average temperatures typically range from 14°C (57.2°F) to 22°C (71.6°F), maintaining the warmth experienced in July. Weather in August »

Weather in September

September in Belgium marks the beginning of autumn, bringing a gradual decrease in temperatures and shorter daylight hours. Average temperatures typically range from 11°C (51.8°F) to 19°C (66.2°F), making this month noticeably cooler than August. Weather in September »

Weather in October

October in Belgium is fully immersed in the season of autumn, characterized by cooler temperatures, changing foliage, and shorter daylight hours. Average temperatures typically range from 8°C (46.4°F) to 15°C (59°F), presenting a significant drop from the temperatures experienced in September. Weather in October »

Weather in November

November in Belgium signals the end of autumn and the beginning of winter, with a noticeable decrease in temperatures. Average temperatures typically range from 4°C (39.2°F) to 9°C (48.2°F), providing a distinct contrast to the mild conditions of October. Weather in November »

Weather in December

December in Belgium marks the full onset of winter, with colder temperatures, shorter days, and the appearance of snow, particularly in the higher regions. Average temperatures typically range from 1°C (33.8°F) to 6°C (42.8°F), establishing a clear departure from the relatively mild conditions of November. Weather in December »
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