St Austell

Cornwall Weather in August

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

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Newquay St Austell Penzance Bude

Considering a trip to Cornwall, the United Kingdom this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Cornwall in August

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

Temperatures

The average maximum temperatures are pleasant and range from 19°C (66°F) in St Just to 21°C (70°F) in Truro. Nighttime temperatures generally drop to 14°C (57°F) in Truro and 16°C (61°F) in St Just. On average, August is the month with the highest temperature of the year in Cornwall, the United Kingdom.

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

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Saint Mawes with an average of 67 mm (2.6 in) to moderate rainfall in Gooseham with 95 mm (3.7 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in August. Newquay typically receives 202 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Cornwall by month

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

January11°C (52°F) February10°C (50°F) March12°C (54°F) April13°C (55°F) May16°C (61°F) June18°C (64°F) This monthJuly20°C (68°F) August20°C (68°F) September19°C (66°F) October16°C (61°F) November13°C (55°F) December11°C (52°F)
Best Time to Visit Cornwall →

Best Places to Visit in Cornwall in August

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

Conditions Temperatures Precipitation
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 Cornwall

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

Temperature range in Cornwall (August)

Precipitation variation in Cornwall (August)

Newquay

In August Newquay generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°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 »
July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Min temperature
14°C (57°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
208 hours
202 hours
165 hours
Monthly rainfall
71 mm (2.8 in)
77 mm (3 in)
70 mm (2.8 in)
Monthly rainy days
13 days
15 days
15 days
Weather conditions
perfect
perfect
pleasant
Climate in Newquay →

St Austell

In August St Austell generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°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 »
July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Min temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
208 hours
202 hours
165 hours
Monthly rainfall
74 mm (2.9 in)
78 mm (3.1 in)
69 mm (2.7 in)
Monthly rainy days
12 days
15 days
15 days
Weather conditions
perfect
perfect
pleasant
Climate in St Austell →

Penzance

In August Penzance generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Min temperature
15°C (59°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
208 hours
202 hours
165 hours
Monthly rainfall
65 mm (2.6 in)
74 mm (2.9 in)
70 mm (2.8 in)
Monthly rainy days
13 days
15 days
16 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Penzance →

Bude

In August Bude generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°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 »
July
August
September
Max temperature
19°C (66°F)
20°C (68°F)
18°C (64°F)
Min temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Monthly sun hours
215 hours
205 hours
162 hours
Monthly rainfall
84 mm (3.3 in)
91 mm (3.6 in)
84 mm (3.3 in)
Monthly rainy days
13 days
15 days
16 days
Weather conditions
pleasant
perfect
pleasant
Climate in Bude →

Falmouth

In August Falmouth generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°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 »
July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Min temperature
14°C (57°F)
14°C (57°F)
13°C (55°F)
Monthly sun hours
208 hours
202 hours
165 hours
Monthly rainfall
62 mm (2.4 in)
68 mm (2.7 in)
61 mm (2.4 in)
Monthly rainy days
12 days
14 days
15 days
Weather conditions
perfect
perfect
pleasant
Climate in Falmouth →

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Newquay 20°C (68°F) 14°C (57°F) 77 mm (3 in)
St Austell 20°C (68°F) 14°C (57°F) 78 mm (3.1 in)
Penzance 19°C (66°F) 15°C (59°F) 74 mm (2.9 in)
Bude 20°C (68°F) 14°C (57°F) 91 mm (3.6 in)
Falmouth 20°C (68°F) 14°C (57°F) 68 mm (2.7 in)
Padstow 20°C (68°F) 14°C (57°F) 83 mm (3.3 in)

Cornwall weather in August: frequently asked questions

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

August in Cornwall, the United Kingdom brings perfect weather. In Newquay, daytime temperatures are typically around 20°C (68°F) and nighttime lows hover near 14°C (57°F).

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

Newquay averages a daytime maximum of 20°C (68°F) in August, with overnight lows close to 14°C (57°F).

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

August is on the drier side in Cornwall, the United Kingdom. Newquay averages only about 77 mm (3 in), with most days staying dry.

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

We consider August to be one of the best times to travel to Cornwall, the United Kingdom. Typically, the climate in Newquay is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, July and August provide perfect weather in Newquay. The weather in February, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Cornwall.

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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