The Belgium climate is temperate, with warm weather in summer (May to September) and cool to cold weather in winter (December to February). There is also a possibility of snow which is always an exciting winter prospect. Generally, visitors can expect a maritime climate and a high average annual rainfall. Visitors can also expect thundershowers at any time of year, so it's always best visitors pack a rain coat or an umbrella. Temperatures range from highs of around 73°F (23°C) in summer to 45°F (7°C) during winter.