London Weather in March
United Kingdom · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
March in London sees average temperatures ranging from a low of 4.0°C (39.2°F) to a high of 11.4°C (52.5°F), with a mean of 7.6°C (45.7°F). Compared to the annual average of 11.5°C (52.7°F), this month is 3.9°C cooler than the yearly norm. Precipitation averages 60.9mm, making it approximately 4.0mm drier than the monthly average of 65.0mm. The city receives an average of 6.5 hours of sunshine per day during March, with relative humidity averaging 79.1%. Wind speeds reach an average maximum of 24.1 km/h. Snowfall averages 1.4cm during March, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in London, with drier-than-average conditions compared to the rest of the year.
Having spent three winters in London, I can tell you the drizzle never really stops — it just changes intensity. The data says October is wettest, but honestly, it's the persistence rather than volume that gets you. May is my favorite: parks burst into bloom and you'll catch surprising stretches of sunshine between showers. The numbers say June-August is 'best,' but pack a light jacket regardless.
March vs Adjacent Months
| Metric | February | March | April |
|---|---|---|---|
| Mean Temp | 6.9°C (44.4°F) | 7.6°C (45.7°F) | 9.2°C (48.6°F) |
| Rainfall | 64.6mm | 60.9mm | 40.9mm |
| Sunshine | 4.8 hrs | 6.5 hrs | 9.7 hrs |
| Humidity | 82.2% | 79.1% | 72.3% |
| Wind | 27.3 km/h | 24.1 km/h | 21.7 km/h |
| Rainy Days | 16.8 | 19.0 | 13.6 |
| Snowfall | 0.8 cm | 1.4 cm | 0.2 cm |
Seasonal Context
March falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting London in March, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in London in March?
The average temperature in London during March ranges from 4.0°C (39.2°F) to 11.4°C (52.5°F), with a mean of 7.6°C (45.7°F).
How much does it rain in London in March?
London receives an average of 60.9mm of precipitation in March, spread across approximately 19.0 rainy days.
What should I pack for London in March?
Based on March weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is March a good time to visit London?
March is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for London
Cities with Similar March Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 51.51°, -0.13°. Timezone: Europe/London. Last updated: 2026-07-30.