30YearWeather
Dublin, August 20
Dublin street view during August
Historical Weather Analysis

Dublin Weather on August 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

18.8°C

High

13.2°C

Low

34%

Rain

🌤️ Feels like 18.8°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 20 is generally a great time to visit Dublin. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 19°C weather. Expect a bustling atmosphere in Dublin right now—this is when the city truly comes alive with visitors.

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

Dublin Weather Forecast for August 20

"Mild & Comfortable. Expect average highs of 18.8°C. 34% chance of rain."

What to Wear in Dublin in August

Based on historical data for August 20, Dublin typically experiences temperatures between 13.2°C and 18.8°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Dublin

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

18.8°C

Daytime Peak

Average Low

extreme-cold

13.2°C

Nighttime Low

Feels Like

partly-cloudy-day

18.8°C

🌤️ Feels accurate

Rain Chance

rain

34%

Avg 2.3mm if it rains

Cloud Cover

cloudy

76%

Light drizzle

Pressure

pressure

1012.9 hPa

Medium volatility

Dublin Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

86%Highly Predictable

Based on 10 years of data

Temperature
±2.3°CStable
Precipitation
17-70%Unpredictable

🎯 This date historically delivers consistent weather 86% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2.5Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 32 min to burn

Type III-IV

🟡 48 min to burn

Type V-VI

🟢 80 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

76Good
TemperatureMild
HumidityMuggy
WindBreezy

Dew Point

15.3°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
15.7°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.85m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Ireland

Flight Traffic

High

96/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~398

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Dublin

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:14

☀️ Noon

12:29

🌇 Sunset

19:45

⏱️ Daylight

14h 30m

Golden Hour
Morning05:14 - 06:02
18:57 - 19:45Evening

Wind Speed

wind

20.1 km/h

Moderate wind

Sunshine

clear-day

8.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

80%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Dublin

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Dublin

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

73/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1012.9 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
31AQI
Good
PM2.5 Concentration5.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Dublin on August 20 averages 18.8°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 88/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Dublin Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
21.6°C
Coldest
2019
9.3°C
Rainiest
2020
8.4mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (August 20) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Dublin Worth Visiting on August 20?

Planning a trip to Dublin on August 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.8°C with a 34% historical precipitation risk.

✈️ Travel Logistics: Approximately 398 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Ireland, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 15.7°C (polar plunge). Wave conditions are generally fun waves with heights around 0.85m.

📊 Historical Extremes: The hottest August 20 recorded in the last 30 years saw temperatures hit 21.6°C in 2023, while the coldest dropped to 9.3°C in 2019.

Dublin Weather FAQ