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

Dublin Weather in August

Plan your August trip to Dublin, Ireland. Based on 30 years of NASA data, expect temperatures of 19°C (high) to 13°C (low), with 26% rain probability and 8 hours of daily sunshine. The Irish Sea averages 16°C in August. Pack rain gear for around 15 rainy days.

Avg High
19°C

Hottest around day 11

Avg Low
13°C

Coolest around day 30

Rainy Days
15days

26% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in August

Irish Sea

15.7°C

Monthly Average

Water Feel
💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating
🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water
Irish Sea

Dublin coastline

Dublin August Weather Calendar

Click any day to see detailed weather information

Currency

EUR

Euro

Language

English

+1 more

Driving

Left side

Connect

As of July 2024, all of the city and its...

Safety

Very High Safety

GPI: 1.288

Travel Intelligence

Exclusive flight analytics & health data for Dublin

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
68/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Jul

Monthly Traffic Distribution

270
Jan
335
Feb
353
Mar
371
Apr
408
May
414
Jun
243
Jul
398
Aug
385
Sep
364
Oct
319
Nov
332
Dec
Traffic Level
Low Season

Key Connections

London Heathrow (LHR)
Manchester (MAN)
Amsterdam Schiphol (AMS)
Birmingham (BHX)
Edinburgh (EDI)

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 Dublin?

👌Worthwhile timing with some trade-offs
Short Answer

Don't expect beach weather in Dublin's August: 15.7°C cold seas despite 19°C air temps. Coastal scenery remains beautiful, just pack warm layers.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

80% average humidity

Peak tourist season

96% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

15.7°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

8.9h of sunshine daily

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 15.7°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    80% humidity creates difficult conditions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Dublin in August averages 19°C with 26% precipitation probability."

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

Frequently Asked Questions: Dublin in August

What are the temperatures in Dublin in August?

Daytime highs average 19°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Dublin in August?

Expect around 15 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Dublin in August?

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

Is August peak season in Dublin?

This is shoulder season—moderate prices and manageable crowds.