Weymouth Weather in August
August in Weymouth sees daytime temperatures around 20°C (68°F) and lows of 15°C (59°F) at night. With around 74 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Weymouth in August
You can expect rain on around 12 days based on historical patterns, with 74 mm (2.9 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Weymouth in August
The temperature in Weymouth in August is perfect. Daytime highs reach 20°C (68°F), with nights dropping to 15°C (59°F). This month falls in the summer season. Conditions are often most pleasant around the middle of the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it has the peak temperatures of the year.
Sunshine in Weymouth in August
Expect a lot of sunshine this month, with about 210 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Weymouth's climate page.
Weymouth Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
20°C (68°F)
Chance of Rain
39%
Precipitation
74 mm (2.9 in)
Rainy days
12 days
Sunshine
210 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Weymouth typically stay consistent throughout August, with daily highs averaging around 20°C (68°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Weymouth in August
Browse day-by-day weather records for Weymouth spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Weymouth historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Weymouth.
- On August 11, 2022, temperatures climbed to 30°C (86°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 14°C (57°F), recorded on August 25, 1979.
- Nighttime temperatures dropped to 4°C (39°F) on August 29, 1986, marking the coldest August night on record.
Best Places in the United Kingdom in August
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Weymouth in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Weymouth in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Weymouth's climate page.
See the full Weymouth climate overview or explore weather in the United Kingdom.
