Cornwall in august: average Weather, Temperature and Climate
Weather in Cornwall in august 2025
The weather in Cornwall in the month of august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather
Weather at 6am
61°F
Moderate rain at times
28% of time
27%
19%
17%
Weather at 12pm
65°F
Moderate rain at times
29% of time
24%
24%
16%
Weather at 6pm
65°F
Clear/Sunny
31% of time
27%
19%
18%
Weather at 3am
61°F
26%
25%
22%
18%
Evolution of daily average temperature and precipitation in Cornwall in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cornwall in august.
The climate of Cornwall in august is good
In august in Cornwall, the climate is wet (with 4.7in of rainfall over 7 days). The situation is deteriorating compared to the previous month since in july there is an average of 3.8in of precipitation over 5 days.
The climate is relatively cool in this city the month of august, but it is liveable by dressing warm. Temperatures are up to 65°F. In the morning the temperature drops to 61°F. Thus, the mean temperature average on this month of august in Cornwall is 63°F. Note that these seasonal averages are in contrast with those observed in Cornwall in the month of august with a maximum record of 74°F in 2020 and a minimum record of 50°F in 2020. You can expect to have about 18 days with temperatures over 65°F, or 58% of the month.
On average, in Cornwall, the days of august last 14:29. The sun rises at 05:10 and sets at 19:39.
With good weather conditions, the month of august is advisable to go there.
Seasonal average climate and temperature of Cornwall in august
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 74°F (2020) | ||||
| Lowest record temperature | 50°F (2020) | ||||
| Number of days at +65°F | 18 day(s) (58%) | ||||
| Sea temperature | |||||
| Average sea temperature | 64°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 66°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.7in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 2.1in (2020) | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 9.28km | ||||
| Cloud cover | 49% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:10 | ||||
| Time of sunset | 19:39 | ||||
| Length of day | 14:29 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Cornwall in august 2024:
63°F to 67°F
61°F to 67°F
61°F to 63°F
59°F to 65°F
65°F to 68°F
61°F to 65°F
61°F to 65°F
63°F to 65°F
61°F to 67°F
65°F to 67°F
63°F to 72°F
63°F to 65°F
63°F to 67°F
61°F to 65°F
65°F to 68°F
59°F to 65°F
58°F to 63°F
61°F to 65°F
63°F to 65°F
59°F to 61°F
59°F to 63°F
61°F to 63°F
59°F to 65°F
58°F to 61°F
59°F to 63°F
59°F to 65°F
61°F to 65°F
61°F to 65°F
58°F to 63°F
58°F to 63°F
58°F to 67°F
Map: other cities in England in august
Cities near Cornwall:
| Falmouth in august | good weather |
| Penzance in august | good weather |
| Plymouth in august | good weather |
| Salcombe in august | good weather |
| Clovelly in august | good weather |
| Isles of Scilly in august | good weather |
| Paignton in august | good weather |
| Torquay in august | good weather |
| Barnstaple in august | good weather |
| Exeter in august | good weather |
| Exmouth in august | good weather |
| Exmoor National Park in august | good weather |
Click over cities on the map for information about the weather in august.
Cornwall
perfect weather
good
tolerable
bad
very bad
Weather data for Cornwall in august:
Weather data for Cornwall for august are derived from an average of the weather forecast since 2009 in Cornwall. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cornwall can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cornwall.