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Cobh in August 2027: weather, temperatures and activities

Do you want to visit Cobh 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 Cobh, Ireland.

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Is it worth visiting Cobh in August?

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

Page summary

Cobh in August in summary
Favourable weather
Min 12°C Max 18°C 124 mm 7 day(s) 92% 52% 18°C 12.1 h/day
Best activities in August
Beach and swimmingCultural visits and heritageAnimal observationNature and landscapesGastronomyBoat trip and cruise
Practical guidelines
Very large crowds 05:18 19:56
Hourly weather

Average weather in Cobh in August 2027

Favourable weather

The weather in Cobh 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 Cobh in August

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

Temperatures and rain in Cobh 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 Cobh in August

Seasonal normals

Seasonal normals of Cobh in August

Check the seasonal normals in Cobh 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 15.6°C 15.1°C 13.8°C
Maximum temperature 18.0°C 17.7°C 16.2°C
Minimum temperature 13.2°C 12.5°C 11.3°C
Record maximum temperature 25.0°C
(2013)
24.0°C
(2021)
23.0°C
(2021)
Record low temperature 8.0°C
(2011)
5.0°C
(2020)
4.0°C
(2010)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 17 day(s)
(55%)
16 day(s)
(52%)
7 day(s)
(23%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 15.6°C 16.5°C 15.6°C
Sea temperature (minimum) 13.2°C 15.1°C 14.0°C
Sea temperature (maximum) 18.2°C 18.0°C 17.2°C
Wind
Wind speed 20 km/h 22 km/h 22 km/h
Wind temperature 12.3°C 11.4°C 9.8°C
Precipitation (rain)
Precipitation 114.5 mm 123.8 mm 97.9 mm
Number of days with precipitation 22 day(s)
(71%)
22 day(s)
(71%)
17 day(s)
(57%)
Number of days with significant precipitation (greater than 5 mm) 6 day(s)
(21%)
7 day(s)
(23%)
5 day(s)
(17%)
Record precipitation in one day 47.1 mm
(2010)
43.7 mm
(2016)
46.3 mm
(2017)
Other weather data
Humidity 92% 92% 92%
Visibility 8.7 km 8.9 km 8.8 km
Cloud cover 56% 52% 52%
UV index 4 4 4
Daily sunshine 12h 12h 10h
Sunrise and sunset
Sunrise time 04h32 05h18 06h08
Sunset time 20h45 19h56 18h47
Day length 16h13 14h38 12h39
Our opinion on the climate in August
The review of Where And When fair weather favourable weather favourable weather
Activities and events

What to do in Cobh in August?

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

What was the weather like in Cobh in August last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
12°C20°C0.0 mm
2
Overcast
10°C21°C0.0 mm
3
Partly Cloudy
17°C21°C0.0 mm
4
Clear/Sunny
15°C19°C0.2 mm
5
Clear/Sunny
14°C20°C0.0 mm
6
Partly Cloudy
11°C19°C0.1 mm
7
Overcast
12°C20°C0.1 mm
8
Clear/Sunny
11°C20°C0.0 mm
9
Patchy rain nearby
13°C21°C0.0 mm
10
Overcast
12°C20°C0.1 mm
11
Clear/Sunny
14°C22°C0.0 mm
12
Partly Cloudy
15°C24°C1.1 mm
13
Patchy rain nearby
14°C22°C0.0 mm
14
Light rain shower
15°C23°C0.9 mm
15
Clear/Sunny
14°C24°C0.0 mm
16
Clear/Sunny
15°C22°C0.0 mm
17
Partly Cloudy
16°C20°C0.0 mm
18
Patchy rain nearby
14°C19°C0.2 mm
19
Partly Cloudy
15°C22°C0.1 mm
20
Clear/Sunny
12°C21°C0.0 mm
21
Clear/Sunny
11°C21°C0.0 mm
22
Clear/Sunny
12°C22°C0.0 mm
23
Cloudy
16°C22°C0.0 mm
24
Patchy rain nearby
14°C20°C0.0 mm
25
Clear/Sunny
16°C21°C0.2 mm
26
Patchy rain nearby
12°C19°C0.2 mm
27
Light rain shower
10°C17°C0.9 mm
28
Patchy rain nearby
13°C17°C0.2 mm
29
Patchy rain nearby
12°C18°C0.1 mm
30
Patchy rain nearby
14°C18°C0.5 mm
31
Light rain shower
13°C16°C1.9 mm
Nearby

Where to go near Cobh in August?

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

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Every month

Best time to visit Cobh month by month

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

Frequently asked questions

Travel to to Cobh 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 Cobh in August, which places this month 2th out of 12.

Expect an average of 18°C during the day and 12°C at night, with about 124 mm of precipitation spread over 7 rainy days.

The sea is only 17°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, Cultural visits and heritage, Animal observation and Nature and landscapes. 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 81/100. Book your accommodation and transportation well in advance.

The most favorable months in Cobh are: June, 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.