WeatherExcept during prolonged cold spells in winter, it's rarely unpleasant or uncomfortable in Brussels. Conditions may vary greatly from day to day and are generally unpredictable. It is often drizzly, with low cloud cover. Summers tend to be cool, with frequent thunderstorms, but can also be muggy at times. The spring (April and May) is often delightful and sunny—it's a good time to visit. September and October can also be lovely, with mild and sunny weather and a fresh breeze in the air. The most rain generally falls May-July and October-December. June-August are the warmest months. Brussels' temperature averages around 19 F/-7 C in January and 70 F/21 C in July.
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