Monthly climate averages for London, United Kingdom. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewLondon, United Kingdom in July has warm conditions, with highs averaging 22.5°C (73°F). Rain falls on about 10 days this month.
This month falls at the middle of Summer.
Temperatures remain fairly steady throughout July, with daily highs around 22°C (72°F).
July sees fairly even rainfall, totalling about 55 mm across the month.
Expect around 10.7h of sunshine at the start of July, decreasing to 9.8h by the end.
The warmest days tend to fall around the 18th, averaging 24.4°C (76°F).
Compared to June, this month is about 2°C warmer with 1 more rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 23°C (73°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 2°C | 4°C / -2°C | 11days (59 mm) Wet | 3.6h Poor | 88% Very Muggy | 1.1 Low | Poor | View Details |
| February | 9°C / 3°C | 5°C / -1°C | 10days (50 mm) Wet | 4.8h Fair | 83% Humid | 1.6 Low | Poor | View Details |
| March | 11°C / 4°C | 7°C / 0°C | 12days (55 mm) Wet | 6.5h Fair | 80% Humid | 3.4 Moderate | Poor | View Details |
| April | 14°C / 5°C | 11°C / 2°C | 9days (41 mm) Wet | 9.4h Good | 75% Muggy | 4.8 Moderate | Fair | View Details |
| May best | 18°C / 9°C | 16°C / 6°C | 10days (53 mm) Wet | 10.5h Excellent | 74% Muggy | 5.6 High | Good | View Details |
| June best | 21°C / 12°C | 20°C / 11°C | 9days (62 mm) Wet | 11h Excellent | 73% Muggy | 6.4 High | Excellent | View Details |
| July best | 23°C / 14°C | 22°C / 13°C | 10days (55 mm) Wet | 10.5h Excellent | 71% Muggy | 5.6 High | Excellent | View Details |
| August best | 22°C / 14°C | 21°C / 13°C | 9days (53 mm) Wet | 9.7h Good | 74% Muggy | 5.3 High | Excellent | View Details |
| September best | 20°C / 12°C | 18°C / 10°C | 11days (56 mm) Wet | 7.8h Good | 78% Humid | 4 Moderate | Good | View Details |
| October | 15°C / 9°C | 13°C / 7°C | 11days (72 mm) Wet | 5.7h Fair | 83% Humid | 2.4 Moderate | Fair | View Details |
| November | 11°C / 5°C | 8°C / 2°C | 11days (66 mm) Wet | 4.2h Fair | 87% Very Muggy | 1.3 Low | Poor | View Details |
| December | 9°C / 4°C | 5°C / 0°C | 11days (65 mm) Wet | 2.8h Poor | 89% Very Muggy | 0.8 Low | Poor | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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