Monthly climate averages for Exeter, United Kingdom. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewExeter, United Kingdom in August has warm conditions, with highs averaging 20.4°C (69°F). Sea temperature stays cool at 17.7°C (64°F).
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 20°C (68°F).
August sees fairly even rainfall, totalling about 53 mm across the month.
The warmest days tend to fall around the 12th, averaging 21.9°C (71°F).
Temperatures begin dropping heading into September.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 20°C (69°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
2 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 | 8°C / 3°C | 5°C / -1°C | 12days (70 mm) Wet | 4h Fair | 87% Very Muggy | 1.2 Low | Poor | View Details |
| February | 9°C / 4°C | 5°C / 0°C | 11days (61 mm) Wet | 5.3h Fair | 85% Humid | 1.7 Low | Poor | View Details |
| March | 10°C / 5°C | 7°C / 1°C | 14days (76 mm) Wet | 6.9h Fair | 83% Humid | 3.5 Moderate | Poor | View Details |
| April | 13°C / 6°C | 10°C / 3°C | 11days (56 mm) Wet | 10h Excellent | 79% Humid | 4.5 Moderate | Fair | View Details |
| May best | 16°C / 9°C | 15°C / 7°C | 11days (57 mm) Wet | 11.1h Excellent | 79% Humid | 5.6 High | Good | View Details |
| June best | 19°C / 12°C | 18°C / 11°C | 11days (67 mm) Wet | 11h Excellent | 79% Humid | 6.2 High | Good | View Details |
| July best | 21°C / 14°C | 20°C / 13°C | 10days (54 mm) Wet | 11.3h Excellent | 78% Humid | 5.7 High | Excellent | View Details |
| August best | 20°C / 14°C | 20°C / 13°C | 9days (54 mm) Wet | 10h Excellent | 80% Humid | 5.3 High | Excellent | View Details |
| September best | 18°C / 12°C | 17°C / 11°C | 11days (74 mm) Wet | 8h Good | 83% Humid | 4 Moderate | Good | View Details |
| October | 15°C / 10°C | 13°C / 8°C | 13days (90 mm) Wet | 6.1h Fair | 86% Very Muggy | 2.5 Moderate | Good | View Details |
| November | 11°C / 7°C | 8°C / 4°C | 12days (79 mm) Wet | 4.5h Fair | 87% Very Muggy | 1.4 Low | Fair | View Details |
| December | 9°C / 5°C | 6°C / 2°C | 13days (81 mm) Wet | 3.4h Poor | 89% Very Muggy | 0.9 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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