Last updated: June 24, 2025
In March, the average temperature in London, United States hovers around 14°C (57°F). Expect a range where the minimum dips to 1°C (34°F) and the maximum soars to 31°C (88°F). With 112 mm (4.4 in) of precipitation spread over 11 days, you’ll find that average humidity sits at a humid 80%.
In March in London, the average temperature is 14°C (57°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 1°C (34°F). This variation makes it essential for travelers to pack layers to accommodate both warm and cool conditions.
In London in March, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.
In London in March, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.
In London in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 | 10°C (51°F) | 92 mm (3.6 inches) | 82% | moderate |
February Weather | 11°C (53°F) | 85 mm (3.3 inches) | 85% | moderate |
March Weather | 14°C (57°F) | 112 mm (4.4 inches) | 80% | very high |
April Weather | 18°C (65°F) | 44 mm (1.7 inches) | 72% | very high |
May Weather | 22°C (72°F) | 25 mm (1.0 inches) | 58% | very high |
June Weather | 27°C (82°F) | 1 mm (0.0 inches) | 49% | extreme |
July Weather | 31°C (88°F) | 0 mm (0.0 inches) | 36% | extreme |
August Weather | 31°C (87°F) | 0 mm (0.0 inches) | 30% | very high |
September Weather | 27°C (80°F) | 2 mm (0.1 inches) | 42% | very high |
October Weather | 20°C (68°F) | 16 mm (0.6 inches) | 59% | high |
November Weather | 14°C (58°F) | 45 mm (1.8 inches) | 78% | moderate |
December Weather | 10°C (50°F) | 76 mm (3.0 inches) | 79% | moderate |