Monthly climate guide
London weather in April
With highs near 14°C (57°F) and lows around 4°C (40°F), April feels cool in London. Rainfall averages about 42 mm (fairly dry) and the sky is often cloudy. Daytime highs are 3°C warmer than March and 3°C cooler than May.
What stands out in April
- Good walking weather for combining Westminster Abbey & Big Ben and Tower of London in one day.
- London is usually about 3°C warmer than Dover, 110 km away, in April.
- In London, April is mid-spring.
- It's one of the sunniest months here, with cloud cover around 66%.
It's usually the driest month of the year.
Avg high
14°C
57°F
Avg low
4°C
40°F
Rainfall
42 mm
fairly dry
Humidity
81%
relative
Sky
66%
cloud · often cloudy
London weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 2°C / 35°F | 67 mm | 93% | 73% |
| February | 8°C / 46°F | 2°C / 35°F | 51 mm | 90% | 73% |
| March | 11°C / 51°F | 3°C / 37°F | 48 mm | 85% | 71% |
| April | 14°C / 57°F | 4°C / 40°F | 42 mm | 81% | 66% |
| May | 17°C / 63°F | 7°C / 45°F | 50 mm | 78% | 69% |
| June | 20°C / 68°F | 10°C / 51°F | 66 mm | 78% | 72% |
| July | 23°C / 73°F | 12°C / 54°F | 57 mm | 75% | 67% |
| August | 22°C / 72°F | 12°C / 54°F | 66 mm | 77% | 72% |
| September | 20°C / 68°F | 10°C / 50°F | 46 mm | 80% | 65% |
| October | 15°C / 60°F | 8°C / 46°F | 75 mm | 87% | 72% |
| November | 11°C / 51°F | 5°C / 40°F | 71 mm | 92% | 74% |
| December | 8°C / 47°F | 3°C / 38°F | 83 mm | 94% | 75% |
What to pack for April
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is April a good time to visit London?
Our London guide recommends: May to September for the warmest, driest weather and the longest daylight hours.
Many of London's biggest museums — including the British Museum — are free to enter, though special exhibitions carry a charge.
Best time to visit London →Other United Kingdom cities in April
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London weather in April. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/uk/london/april
<a href="https://weathercompare.eu/weather/uk/london/april">London weather in April</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/uk/london" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="London weather in April"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/uk/london/april">London weather in April</a> – WeatherCompare</p>
London in April: quick answers
Is April a good time to visit London?
April is a reasonable time for London: highs around 14°C and about 42 mm of rain, though not one of the three best months.
How warm is London in April?
Average highs are about 14°C (57°F) and average lows about 4°C (40°F), based on 10 years of daily data.
Does it rain a lot in London in April?
London typically gets around 42 mm of rain in April — fairly dry. It's usually the driest month of the year.
When is the best time to visit London?
May to September for the warmest, driest weather and the longest daylight hours.
Figures are long-term averages for the area around London (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.