London Weather in July
United Kingdom · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
July in London sees average temperatures ranging from a low of 13.7°C (56.7°F) to a high of 22.5°C (72.5°F), with a mean of 18.1°C (64.6°F). Compared to the annual average of 11.5°C (52.7°F), this month is 6.6°C warmer than the yearly norm. Precipitation averages 64.6mm, making it approximately 0.0mm drier than the monthly average of 65.0mm. The city receives an average of 11.3 hours of sunshine per day during July, with relative humidity averaging 70.9%. Wind speeds reach an average maximum of 21.0 km/h. 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.
July vs Adjacent Months
| Metric | June | July | August |
|---|---|---|---|
| Mean Temp | 16.6°C (61.9°F) | 18.1°C (64.6°F) | 18.4°C (65.1°F) |
| Rainfall | 61.2mm | 64.6mm | 48.7mm |
| Sunshine | 11.8 hrs | 11.3 hrs | 10.1 hrs |
| Humidity | 71.0% | 70.9% | 72.8% |
| Wind | 20.0 km/h | 21.0 km/h | 20.8 km/h |
| Rainy Days | 16.4 | 18.2 | 17.0 |
Seasonal Context
July falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting London in July, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in London in July?
The average temperature in London during July ranges from 13.7°C (56.7°F) to 22.5°C (72.5°F), with a mean of 18.1°C (64.6°F).
How much does it rain in London in July?
London receives an average of 64.6mm of precipitation in July, spread across approximately 18.2 rainy days.
What should I pack for London in July?
Based on July weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is July a good time to visit London?
July is a good time to visit London, with comfortable temperatures and manageable rainfall.
Other Months for London
Cities with Similar July 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.