30YearWeather
Galway in August
Galway weather in August - Ireland
🌤️Mild & Comfortable

Galway Weather in August

Plan your August trip to Galway, Ireland. Based on 30 years of NASA data, expect temperatures of 18°C (high) to 13°C (low), with 37% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 18°C in August. Pack rain gear for around 31 rainy days.

Avg High
18°C

Hottest around day 11

Avg Low
13°C

Coolest around day 30

Rainy Days
31days

37% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in August

Coastal Waters(Ocean)

18°C

Monthly Average

Water Feel
🏊Pleasant

Comfortable for most swimmers

Swim Rating
👍Good for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Galway coastline

Galway August Weather Calendar

Click any day to see detailed weather information

Day 1
rain
Rainy
18°C44%
Day 2
rain
Rainy
18°C43%
Day 3
rain
Rainy
18°C43%
Day 4
rain
Rainy
18°C48%
Day 5
cloudy
Cloudy
18°C40%
Day 6
cloudy
Cloudy
18°C34%
Day 7
cloudy
Cloudy
18°C32%
Day 8
cloudy
Cloudy
18°C28%
Day 9
cloudy
Cloudy
19°C26%
Day 10
cloudy
Cloudy
19°C31%
Day 11
cloudy
Cloudy
19°C35%
Day 12
rain
Rainy
19°C41%
Day 13
cloudy
Cloudy
19°C40%
Day 14
cloudy
Cloudy
19°C38%
Day 15
cloudy
Cloudy
19°C34%
Day 16
cloudy
Cloudy
19°C36%
Day 17
cloudy
Cloudy
19°C32%
Day 18
cloudy
Cloudy
19°C38%
Day 19
rain
Rainy
18°C41%
Day 20
rain
Rainy
18°C44%
Day 21
rain
Rainy
18°C44%
Day 22
rain
Rainy
18°C45%
Day 23
rain
Rainy
18°C43%
Day 24
rain
Rainy
18°C41%
Day 25
cloudy
Cloudy
18°C40%
Day 26
cloudy
Cloudy
18°C39%
Day 27
cloudy
Cloudy
18°C35%
Day 28
cloudy
Cloudy
18°C31%
Day 29
cloudy
Cloudy
17°C30%
Day 30
cloudy
Cloudy
17°C26%
Day 31
cloudy
Cloudy
18°C26%

Essential Travel Info for Galway

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

EUR

€ Euro

Language

English

+1 more

Driving

Left side

Connect

As of 2025, Galway has 5G with all Irish...

Safety

Very High Safety

GPI: 1.288

Travel Intelligence

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Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Ireland. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Ireland.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Ireland.If rabies exposures occur while in Ireland, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Galway?

👌Decent conditions for most activities
Short Answer

Galway shines in August with 18°C pleasant temperatures and minimal 37% rain chance. Expect 8.3 hours of sunshine daily - pack light layers for evenings.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

82% average humidity

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

8.3h of sunshine daily

Shoulder season - balanced conditions

50% of peak - good value with moderate crowds

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    1.05m waves - good for surfing and water sports

Who Should Avoid

  • 👴
    Elderly travelers

    82% humidity creates difficult conditions

  • 📸
    Photographers

    77% cloud cover limits natural light opportunities

Related Guides

Best Time to VisitWhen to AvoidGalway Overview
930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Galway in August averages 18°C with 37% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Galway in August

What are the temperatures in Galway in August?

Daytime highs average 18°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Galway in August?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Galway in August?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is August peak season in Galway?

This is shoulder season—moderate prices and manageable crowds.