Monthly climate averages for Sutton, United Kingdom. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewSutton, United Kingdom in August has warm conditions, with highs averaging 21.6°C (71°F).
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 21°C (70°F).
August sees fairly even rainfall, totalling about 56 mm across the month.
Expect around 11.0h of sunshine at the start of August, decreasing to 9.5h by the end.
The warmest days tend to fall around the 12th, averaging 23.3°C (74°F).
Compared to July, this month is about 0°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into September.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 22°C (71°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 | 3°C / -2°C | 11days (61 mm) Wet | 3.8h Poor | 88% Very Muggy | 1.1 Low | Poor | View Details |
| February | 9°C / 3°C | 4°C / -1°C | 10days (51 mm) Wet | 5h Fair | 83% Humid | 1.6 Low | Poor | View Details |
| March | 10°C / 4°C | 7°C / 0°C | 12days (56 mm) Wet | 6.8h Fair | 81% Humid | 3.4 Moderate | Poor | View Details |
| April | 13°C / 5°C | 10°C / 2°C | 10days (44 mm) Wet | 9.8h Good | 75% Muggy | 4.8 Moderate | Fair | View Details |
| May best | 17°C / 8°C | 15°C / 6°C | 9days (57 mm) Wet | 11.1h Excellent | 74% Muggy | 5.6 High | Good | View Details |
| June best | 20°C / 12°C | 19°C / 10°C | 9days (65 mm) Wet | 11.7h Excellent | 73% Muggy | 6.3 High | Good | View Details |
| July best | 22°C / 14°C | 21°C / 13°C | 11days (56 mm) Wet | 11.2h Excellent | 71% Muggy | 5.5 High | Excellent | View Details |
| August best | 22°C / 14°C | 21°C / 13°C | 9days (56 mm) Wet | 10.3h Excellent | 74% Muggy | 5.2 High | Excellent | View Details |
| September best | 19°C / 12°C | 17°C / 10°C | 10days (59 mm) Wet | 8.3h Good | 78% Humid | 4 Moderate | Good | View Details |
| October | 15°C / 9°C | 13°C / 7°C | 12days (74 mm) Wet | 6.2h Fair | 84% Humid | 2.4 Moderate | Fair | View Details |
| November | 10°C / 5°C | 7°C / 2°C | 11days (69 mm) Wet | 4.5h Fair | 87% Very Muggy | 1.3 Low | Poor | View Details |
| December | 8°C / 4°C | 5°C / 0°C | 11days (67 mm) Wet | 3.1h 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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