London Weather in April
United Kingdom · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
April in London sees average temperatures ranging from a low of 4.8°C (40.6°F) to a high of 13.9°C (57.0°F), with a mean of 9.2°C (48.6°F). Compared to the annual average of 11.5°C (52.7°F), this month is 2.3°C cooler than the yearly norm. Precipitation averages 40.9mm, making it approximately 24.0mm drier than the monthly average of 65.0mm. This is the driest month of the year, with just 40.9mm of precipitation. The city receives an average of 9.7 hours of sunshine per day during April, with relative humidity averaging 72.3%. Wind speeds reach an average maximum of 21.7 km/h. Snowfall averages 0.2cm during April, 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.
April vs Adjacent Months
| Metric | March | April | May |
|---|---|---|---|
| Mean Temp | 7.6°C (45.7°F) | 9.2°C (48.6°F) | 13.0°C (55.4°F) |
| Rainfall | 60.9mm | 40.9mm | 58.1mm |
| Sunshine | 6.5 hrs | 9.7 hrs | 10.8 hrs |
| Humidity | 79.1% | 72.3% | 73.1% |
| Wind | 24.1 km/h | 21.7 km/h | 21.0 km/h |
| Rainy Days | 19.0 | 13.6 | 17.0 |
| Snowfall | 1.4 cm | 0.2 cm | 0.0 cm |
Seasonal Context
April falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting London in April, 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 April?
The average temperature in London during April ranges from 4.8°C (40.6°F) to 13.9°C (57.0°F), with a mean of 9.2°C (48.6°F).
How much does it rain in London in April?
London receives an average of 40.9mm of precipitation in April, spread across approximately 13.6 rainy days. This is the driest month of the year.
What should I pack for London in April?
Based on April weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is April a good time to visit London?
April 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 April 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.