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Conwy in August 2027: weather, temperatures and activities

Do you want to visit Conwy in August 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether August is a good month to travel to Conwy, Wales.

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Is it worth visiting Conwy in August?

Check your ideal travel criteria and see if the month of August suits your plans to go to Conwy.
What matters most?
Conwy in August 2027: weather, temperatures and activities

Page summary

Conwy in August in summary
Favourable weather
Min 13°C Max 17°C 121 mm 7 day(s) 90% 53% 17°C 12.1 h/day
Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationNature and landscapesGastronomyBoat trip and cruise
Practical guidelines
Very large crowds 04:56 19:43
Hourly weather

Average weather in Conwy in August 2027

Favourable weather

The weather in Conwy in August 2027 is based on statistical data from previous years in August. This allows you to forecast the weather in August 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Conwy in August

Temperatures, precipitation and monthly trends help to better understand the climate in Conwy in August.

Temperatures and rain in Conwy in August

Average daily weather

Temperatures and rain day by day in August.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of August is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Conwy in August

Seasonal normals

Seasonal normals of Conwy in August

Check the seasonal normals in Conwy in August and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
August
Weather data July August September
Outside temperature
Average temperature 15.7°C 15.3°C 13.9°C
Maximum temperature 17.3°C 17.2°C 16.0°C
Minimum temperature 14.0°C 13.5°C 11.8°C
Record maximum temperature 24.0°C
(2013)
24.0°C
(2020)
24.0°C
(2021)
Record low temperature 11.0°C
(2011)
8.0°C
(2020)
5.0°C
(2012)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 12 day(s)
(39%)
12 day(s)
(39%)
6 day(s)
(20%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 15.3°C 16.2°C 15.9°C
Sea temperature (minimum) 13.7°C 15.7°C 15.2°C
Sea temperature (maximum) 16.9°C 17.1°C 17.0°C
Wind
Wind speed 18 km/h 20 km/h 21 km/h
Wind temperature 13.1°C 12.4°C 10.1°C
Precipitation (rain)
Precipitation 114.2 mm 121.0 mm 110.7 mm
Number of days with precipitation 22 day(s)
(71%)
24 day(s)
(77%)
19 day(s)
(63%)
Number of days with significant precipitation (greater than 5 mm) 7 day(s)
(23%)
7 day(s)
(24%)
8 day(s)
(25%)
Record precipitation in one day 45.6 mm
(2009)
43.0 mm
(2015)
45.4 mm
(2012)
Other weather data
Humidity 90% 90% 89%
Visibility 9.1 km 9.0 km 9.2 km
Cloud cover 51% 53% 52%
UV index 4 4 4
Daily sunshine 13h 12h 10h
Sunrise and sunset
Sunrise time 04h07 04h56 05h49
Sunset time 20h35 19h43 18h30
Day length 16h28 14h47 12h41
Our opinion on the climate in August
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Conwy in August?

Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationNature and landscapesGastronomyBoat trip and cruise
Observed weather

What was the weather like in Conwy in August last?

Find the observed weather calendar in Conwy in August 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
14°C16°C0.1 mm
2
Clear/Sunny
12°C18°C0.0 mm
3
Patchy rain nearby
16°C19°C0.2 mm
4
Clear/Sunny
17°C18°C2.6 mm
5
Patchy rain nearby
14°C18°C0.0 mm
6
Clear/Sunny
13°C19°C0.0 mm
7
Patchy rain nearby
16°C18°C0.1 mm
8
Clear/Sunny
12°C19°C0.0 mm
9
Overcast
15°C17°C0.1 mm
10
Clear/Sunny
12°C20°C0.0 mm
11
Partly Cloudy
16°C23°C0.0 mm
12
Partly Cloudy
16°C25°C0.0 mm
13
Clear/Sunny
17°C26°C0.3 mm
14
Patchy rain nearby
16°C21°C0.2 mm
15
Clear/Sunny
15°C20°C0.0 mm
16
Clear/Sunny
15°C23°C0.0 mm
17
Clear/Sunny
13°C22°C0.0 mm
18
Clear/Sunny
14°C22°C0.0 mm
19
Clear/Sunny
13°C20°C0.0 mm
20
Clear/Sunny
13°C17°C0.0 mm
21
Clear/Sunny
10°C17°C0.0 mm
22
Clear/Sunny
11°C19°C0.0 mm
23
Patchy rain nearby
14°C20°C0.0 mm
24
Partly Cloudy
14°C21°C0.0 mm
25
Clear/Sunny
14°C23°C0.0 mm
26
Clear/Sunny
15°C19°C0.7 mm
27
Clear/Sunny
12°C18°C2.5 mm
28
Patchy rain nearby
12°C17°C0.1 mm
29
Partly Cloudy
12°C18°C0.3 mm
30
Patchy rain nearby
12°C18°C1.0 mm
31
Patchy rain nearby
14°C18°C0.2 mm
Nearby

Where to go near Conwy in August?

Compare cities and destinations near Conwy in August to find another travel stop, a nearby alternative or a logical continuation of your stay in Conwy.

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Every month

Best time to visit Conwy month by month

Compare the weather in Conwy across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Conwy in August: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Conwy in August, which places this month 3th out of 12.

Expect an average of 17°C during the day and 13°C at night, with about 121 mm of precipitation spread over 7 rainy days.

The sea is only 16°C on average in August. Swimming is still possible, but it will be cool.

Expect about 12.1 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Hiking and trekking, Cultural visits and heritage and Animal observation. These are the ones for which the conditions on site are most favourable.

Yes: this month is in Very large crowds, with a visitor index of 89/100. Book your accommodation and transportation well in advance.

The most favorable months in Conwy are: June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.