Dorset Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Dorset, the United Kingdom in August.

Thinking about venturing to Dorset, the United Kingdom this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Dorset in August

Dorset, the United Kingdom is a region in the United Kingdom. August in Dorset generally has pleasant temperatures, with moderate precipitation. During August, summer is in full swing.

Temperatures

The average maximum temperatures are pleasant and range from 20°C (68°F) in Portland to 22°C (72°F) in Beaminster. Nighttime temperatures generally drop to 13°C (55°F) in Beaminster and 15°C (59°F) in Portland. On average, August is the month with the highest temperature of the year in Dorset, the United Kingdom.

To learn more about the conditions in specific areas of Dorset, the United Kingdom, check out the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Uplyme with an average of 67 mm (2.6 in) to moderate rainfall in Christchurch with 79 mm (3.1 in).

Average sunshine

Most destinations offer generous amounts of sunshine this August. For example, Bournemouth gets approximately 208 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Dorset by month

Pick a month to see the average temperature, rainfall and sunshine in Dorset — and find the best time to visit. (based on Bournemouth)

Best Places to Visit in Dorset in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Dorset.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Dorset

What is the weather like in August for some of the most popular destinations in Dorset, the United Kingdom?

Temperature range in Dorset (August)

Precipitation variation in Dorset (August)

Bournemouth

In August Bournemouth generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
21°C (70°F)
21°C (70°F)
19°C (66°F)
Min temperature
15°C (59°F)
15°C (59°F)
13°C (55°F)
Monthly sun hours
222 hours
208 hours
149 hours
Monthly rainfall
57 mm (2.2 in)
74 mm (2.9 in)
71 mm (2.8 in)
Monthly rainy days
9 days
11 days
12 days
Weather conditions

Weymouth

In August Weymouth generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Min temperature
14°C (57°F)
15°C (59°F)
13°C (55°F)
Monthly sun hours
225 hours
210 hours
152 hours
Monthly rainfall
57 mm (2.2 in)
74 mm (2.9 in)
69 mm (2.7 in)
Monthly rainy days
10 days
12 days
13 days
Weather conditions

Poole

In August Poole generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
21°C (70°F)
21°C (70°F)
19°C (66°F)
Min temperature
14°C (57°F)
15°C (59°F)
13°C (55°F)
Monthly sun hours
225 hours
210 hours
152 hours
Monthly rainfall
53 mm (2.1 in)
69 mm (2.7 in)
63 mm (2.5 in)
Monthly rainy days
10 days
11 days
13 days
Weather conditions

Lyme Regis

In August Lyme Regis generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
19°C (66°F)
Min temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
192 hours
170 hours
150 hours
Monthly rainfall
55 mm (2.2 in)
68 mm (2.7 in)
58 mm (2.3 in)
Monthly rainy days
11 days
13 days
13 days
Weather conditions

Swanage

In August Swanage generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Min temperature
15°C (59°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
222 hours
208 hours
149 hours
Monthly rainfall
52 mm (2 in)
70 mm (2.8 in)
71 mm (2.8 in)
Monthly rainy days
9 days
11 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Dorset, in the United Kingdom.

Popular cities in August

Day & night temperatures, rainfall and average weather in Dorset in August.

City Weather Day temp Night temp Rainfall
Bournemouth 21°C (70°F) 15°C (59°F) 74 mm (2.9 in)
Weymouth 20°C (68°F) 15°C (59°F) 74 mm (2.9 in)
Poole 21°C (70°F) 15°C (59°F) 69 mm (2.7 in)
Lyme Regis 21°C (70°F) 14°C (57°F) 68 mm (2.7 in)
Swanage 20°C (68°F) 15°C (59°F) 70 mm (2.8 in)
Bridport 22°C (72°F) 14°C (57°F) 71 mm (2.8 in)

Dorset weather in August: frequently asked questions

What is the weather like in Dorset, the United Kingdom in August?

August in Dorset, the United Kingdom brings perfect weather. In Bournemouth, daytime temperatures are typically around 21°C (70°F) and nighttime lows hover near 15°C (59°F).

What is the average temperature in Dorset, the United Kingdom in August?

Average temperatures in Dorset, the United Kingdom during August range from a nighttime low near 15°C (59°F) to a daytime high around 21°C (70°F) in Bournemouth.

Does Dorset, the United Kingdom get a lot of rain in August?

Rain is generally moderate to light in Dorset, the United Kingdom during August, with Bournemouth averaging close to 74 mm (2.9 in).

Is August a Good Time to Visit Dorset, the United Kingdom?

We consider August to be one of the best times to travel to Dorset, the United Kingdom. Typically, the climate in Bournemouth is perfect.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Bournemouth. In contrast, January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Dorset.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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