Last updated: June 24, 2025
In March, the average temperature in London, United States hovers around 6°C (42°F), with extremes ranging from a chilly -14°C (6°F) to a warm 24°C (75°F). Expect a precipitation of 108 mm (4.2 in) spread over 12 days, contributing to a high average humidity of 87%. Prepare for a varied climate that balances cold and warmth!
In March in London, the average temperature is 6°C (42°F). The maximum can reach 24°C (75°F) and the minimum can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures if you're traveling during this time.
In London in March, the total precipitation amount is 108 mm (4.2 in) spread over 12 days.
In London in March humidity is 87%. With an average temperature of 6°C (42°F), this humidity feels like a persistent chill that seeps into your bones, making it uncomfortable for traveling and leaving you longing for warmth at every turn.
In London in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in London, you can refer to this Hourly UV Index in London.
UV Risk Categories
Weather in London varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in London, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 75 mm (3.0 inches) | 88% | moderate |
February Weather | 1°C (34°F) | 104 mm (4.1 inches) | 88% | moderate |
March Weather | 6°C (42°F) | 108 mm (4.2 inches) | 87% | high |
April Weather | 11°C (52°F) | 111 mm (4.4 inches) | 85% | very high |
May Weather | 17°C (64°F) | 131 mm (5.1 inches) | 81% | very high |
June Weather | 22°C (72°F) | 134 mm (5.3 inches) | 82% | very high |
July Weather | 24°C (75°F) | 120 mm (4.7 inches) | 81% | very high |
August Weather | 23°C (73°F) | 99 mm (3.9 inches) | 73% | very high |
September Weather | 20°C (69°F) | 94 mm (3.7 inches) | 73% | very high |
October Weather | 14°C (58°F) | 95 mm (3.7 inches) | 78% | high |
November Weather | 5°C (42°F) | 95 mm (3.7 inches) | 89% | moderate |
December Weather | 2°C (36°F) | 95 mm (3.8 inches) | 87% | moderate |