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Newquay in August: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Newquay in August will be like? Take a look at our weather guide for Newquay, based on historical data.
Check flight prices to Newquay on Avionero:
August

Weather in Newquay in August 2025

OK Weather
Mild
🌧️
Rainy
🌊
Fresh water
If you plan to visit Newquay in August, the weather is typically alright, with an average high temperature of +19°C during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 17 rainy days in the month and around 55 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Newquay;

Average weather

☀️
+19°C
Avg. max. temperature
+9°C
Min.
+32°C
Max.
55 mm
Total precipitation
82%
Avg. humidity
4 m/s
Avg. wind
2 ☀️
Sunny Days
11 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Newquay has OK weather in August.

Average temperature in Newquay in August

Here are the expected maximum, average and minimum temperatures in Newquay for August based on the historical data.
Last Year
Historical Data

Going from a maximum of +22°C during the day to a minimum of +12°C during the night, the temperature in August averages around +19°C.

The average maximum temperature goes up 10% by the end of the month, compared with the beginning of the month, from +18°C to +19°C.

Is Newquay warm or cold in August?

Newquay is typically mild in August.

Maximum temperatures go up compared to the previous month from +19°C to +19°C. The minimum temperature also goes up from +14°C to +14°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

August is the hottest month in Newquay, here is the comparison with other months:

Water temperature in Newquay in August

Water in Newquay in August is Fresh. It varies from +16°C to +18°C, with an average of +17°C. This is almost similar to the air temperature, which averages +19°C.

The water temperature in August is one of the warmest of the entire year:

The warmest water temperatures in Newquay are reached in August, when the average sea temperature rises to +17°C. The coldest water temperatures are in March, with an average of +9°C.

Can you swim in Newquay in August?

Water temperature (+17°C) in Newquay in August might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.

Climate in Newquay in August

Newquay weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+19°C+19°C+18°C
Min. temperature
+9°C+9°C+7°C
Max. temperature
+30°C+32°C+28°C
Rainfall
51 mm55 mm56 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+16°C+17°C+16°C
Humidity
82%82%82%
Air pressure
1016 HPa1015 HPa1016 HPa
Sunny days
323
Cloudy days
111111
Rainy days
161716
Snowy days
000

August weather is still as ok as in July. The temperature levels stay the same in the area of +19°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 51 mm to 55 mm. Humidity levels don’t change as the month goes on, averaging around 82%. The average wind speed doesn’t change much during August, staying around 4 m/s. The days becoming less sunny, going from 3 sunny days in July to 2 in August.

September brings much the same weather, it remains ok.

Wind

Wind speed in Newquay in August based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Newquay is gradually decreasing during August, going from 6 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Newquay based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in August, with total rainfall of approximately 63 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. August is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how August is compared with other months in the amount of precipitation, total mm:
Newquay wettest month is December, where a typical day has a 61% chance of precipitation and 89 mm of rainfall per day. July, on the other hand, is the driest month with a mere 52% chance of precipitation and 51 mm of rainfall per day.

How was the weather last August in Newquay?

This is the weather in Newquay in August 2023:
1 August
🌧️
+18°C
2 August
🌧️
+18°C
3 August
🌧️
+18°C
4 August
☁️
+17°C
5 August
🌧️
+16°C
6 August
☁️
+18°C
7 August
☁️
+18°C
8 August
🌧️
+18°C
9 August
🌫️
+21°C
10 August
☁️
+21°C
11 August
☁️
+21°C
12 August
☁️
+19°C
13 August
☁️
+19°C
14 August
☁️
+19°C
15 August
☁️
+19°C
16 August
☀️
+21°C
17 August
☁️
+21°C
18 August
☁️
+20°C
19 August
☁️
+20°C
20 August
☁️
+21°C
21 August
☁️
+20°C
22 August
☀️
+20°C
23 August
☀️
+22°C
24 August
☁️
+19°C
25 August
🌧️
+18°C
26 August
🌧️
+17°C
27 August
🌧️
+17°C
28 August
☁️
+17°C
29 August
☁️
+17°C
30 August
☀️
+17°C
31 August
🌫️
+19°C
In August 2023 Newquay had 4 sunny days, 17 cloudy days, and 8 rainy days. The average maximum temperature was +19°C, with an absolute maximum of +22°C and a minimum of +16°C. The average humidity was 86%, with a maximum of 100% and a minimum of 66%. The average wind speed was 5 m/s, with a maximum of 15 m/s and a minimum of 1 m/s.
Are you planning a trip in August?

Climate Change over Years

This is how Newquay climate have been changing during last 43 years period.

The climate in Newquay in August has not changed much over the last 43 years.

The average temperature was the lowest in 1986 (+12°C) and the highest in 2022 (+15°C). The driest year was 2005 with only 621 mm of rainfall, and the wettest year was 2012 with 996 mm.

FAQ

Frequently asked questions about the weather in Newquay in August:

Is August a good time to visit Newquay?

It’s always a good time to visit Newquay, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Newquay in August?

August has mild temperatures in Newquay. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Newquay in August?

In general, you can swim in Newquay in August, if you want to, at an average water temperature of +17°C. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.

Is Newquay rainy in August?

Newquay is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Newquay in August?

Usually, it’s not very sunny in Newquay in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in United Kingdom

Check out the weather for other cities in United Kingdom.

Monthly weather in Newquay

Source of the data

For this page, we’ve looked at the typical weather in Newquay, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.