United Kingdom
London in July: weather & travel advice
This month's data profile
Rain shapes the decision
London in July is climatically well suited to city breaks, active holidays and hiking and family holidays. The average daily high is around 23 °C. With about 12 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
77/100 · #2
Warmth
#1
Dryness
#8
Sun
#2
Published best categories: Overall, City break, Active, Family
London · JulyPhoto: Colin · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 12 °C
- Rainy days (est.)
- 12 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 76 %
For your trip planning
July: the warmest month, level with August
July is the warmest month in our London series and one of the best months overall and for city trips. Average daily highs and lows rise above June and match August exactly. Precipitation is similar in all three months, with July slightly drier than both neighbours. Estimated rainy days are still frequent, so carry a compact umbrella when sightseeing.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| June | 20 | 10 | 11 | 57 | 6.7 | 78 | 3.0 | 74 |
| July (selected) | 23 | 12 | 12 | 55 | 6.4 | 76 | 3.0 | 77 |
| August | 23 | 12 | 11 | 60 | 5.5 | 77 | 3.0 | 79 |
How do the previous and next months compare?
Baseline: July (77/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| June | -3 | -2.4 °C | -2.2 °C | -0.9 | +1.3 mm | +0.3 h | +1.9 % | ±0 m/s |
| August | +2 | ±0 °C | ±0 °C | -1.2 | +4.5 mm | -0.9 h | +1 % | +0.1 m/s |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is London in July?
The average daily high is around 23 °C, with an average daily low of about 12 °C.
Does it rain a lot in London in July?
The curated estimate is about 12 rainy days per month, not a directly measured long-term average. Total precipitation averages around 55 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit London?
By the climate score, June, July, August and September are the strongest months for London. July is one of them.