London vs Brussels

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in March. London offers 7 hours of daily sunshine with only 10 rain days, while Brussels sees 7 sunshine hours and 12 rain days.

London is on the cooler side at 10°C, requiring warmer clothing. Brussels is cooler at 11°C.

For travelers who prioritize dry weather, London is the stronger choice in March.

London reaches an average high of 10°C (50°F) and drops to 3°C (37°F) at night during March. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Brussels averages 11°C (52°F) for the high and 3°C (37°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in March.

London receives approximately 43 mm of rainfall across 10 rain days during March. You can expect rain roughly every other day.

Brussels sees 57 mm over 12 rain days. That makes London the drier option by 2 rain days and 14 mm of total precipitation.

Both cities share similar humidity levels at 65%.