Temperatures in August
It's pleasantly warm in August in Port Isaac with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 21°C. At night, you can expect temperatures between 12°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Port Isaac in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Port Isaac with mild temperatures, averaging around 20°C during the day and nights close to 13°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-August
By mid-August, the average daytime temperature stays the same at 20°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of August
By the end of August, the average daytime temperature in Port Isaac will be around 20°C, with nights close to 13°C. A shower might show up, but overall the weather will be dry and sunny.
Discover cheap trips to Port Isaac 
Precipitation in August
In August, there is an average of 106 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 47% per day this month. Though it seems average, the weather’s variable. Some days have a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Port Isaac. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Port Isaac in August |
London | ||
|---|---|---|---|
 Average Temperature |
19°C | 22°C | |
 High Temp |
21°C | 24°C | |
| Low Temp |
18°C | 19°C | |
 Total Precipitation |
106 mm | 60 mm | |
| Rainy Days |
15 days | 10 days | |
July
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Port Isaac?
After some sun? Then August isn’t the best time to be in Port Isaac. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Port Isaac in August
With 31°C, Port Isaac hit the highest temperature in the last 10 years in August 2022. The lowest daytime temperature in this month was 13°C in 2014. The extreme night temperatures ranged from a low of 6°C to a high of 19°C.
Check out the climate of Port Isaac for all months and discover the best travel time
Curious about the climate in other parts of England? Check out the weather and climate in places like London, Edinburgh, Cornwall, or have a look at other destinations in England.
Plan your next holiday
Don’t miss the best holiday deals for Port Isaac and see what our partners have for you.
Daily Temperature in August in Port Isaac
This chart shows the average daily temperatures, both day and night, for each day in August in Port Isaac, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Port Isaac
The chart below shows the average daily precipitation in August for Port Isaac, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 15 days of rain in Port Isaac.
Daily UV Index in August in Port Isaac
This chart shows the average daily UV index in August in Port Isaac, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Port Isaac Over the Years
This chart shows the average temperature in August in Port Isaac, measured in degrees Celsius, over the past years.
Total Precipitation in August in Port Isaac Over the Years
This chart shows the average precipitation in August in Port Isaac, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Port Isaac
Click on a specific day in August for detailed info on the typical weather on that day in Port Isaac. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Port Isaac
Have you been to Port Isaac in August?
Share your weather experience in August in Port Isaac.
Average Weather in Port Isaac by Month
Click on a month below to see detailed weather info for Port Isaac. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Port Isaac for all months at once
