Dublin, Ireland – Climate and Average Weather Year Round: What to Expect

Dublin, the capital city of Ireland, experiences a mild and temperate climate throughout the year.

The hottest month in Dublin is July, with an average high of 66°F and a low of 54°F.

Conversely, February stands as the coldest month, where temperatures can range from a chilly 38°F to a modest 47°F.

For those planning a visit, understanding the city’s climate can be crucial for packing appropriately and making the most of the trip.

The weather in Dublin is shaped by its location in the Northern Hemisphere, which influences its seasonal changes.

Rain is a common occurrence, with October receiving the highest average rainfall at around 2.99 inches.

Despite the frequent rain, the mild temperatures make Dublin a year-round destination for tourists who enjoy exploring its historic streets and landmarks.

Visitors arriving at Dublin Airport often find the city’s climate compared to other major European cities like London or Paris, but with its unique Irish charm.

Whether traveling from nearby Shannon or venturing from further afield, it’s helpful to know that Dublin’s weather conditions are generally predictable, providing a comfortable environment for enjoying the city’s rich culture and vibrant atmosphere.

Average Temperature In Dublin, Ireland

Dublin experiences a mild climate with some seasonal variation.

The coldest month is January, with an average high of 47.8°F and an average low of 36.2°F.

The hottest month is July, where temperatures reach an average high of 68.4°F.

Monthly Average Temperatures:

During the cool season, which lasts from mid-November to late March, temperatures stay below 51°F.

In Dublin, temperature fluctuations are relatively mild year-round.

Winter weather in Dublin often brings cool temperatures, while summers are mild.

You might notice that perceived temperature might feel slightly different due to wind and humidity.

The average temperature in Dublin makes it a comfortable city to visit any time of the year.

Average Precipitation In Dublin, Ireland

Dublin experiences a mild and relatively consistent amount of precipitation throughout the year. Rain is common, but snow is rare.

Average Rainfall In Dublin, Ireland

Rainfall in Dublin is spread out fairly evenly across the year. The city receives an average annual rainfall of about 30 inches. This amount is typical for regions with an oceanic climate.

The rainiest months tend to be August and October. Even in the drier months, one can expect some rain on most days.

Average Snow In Dublin, Ireland

Snow in Dublin is infrequent and usually light.

On average, the city experiences about 4-5 snowy days per year, primarily in January and February.

Snow rarely accumulates, and any snowfall tends to melt quickly.

The average annual snowfall is less than 2 inches, making shoveling and ice-related issues relatively rare.

These mild snow conditions make Dublin quite different from colder climates where snow and ice are more significant factors in daily life.

Average Sun In Dublin, Ireland

Dublin experiences varying sunlight throughout the year, with changes in daylight hours and clear skies. The amount of solar energy also shifts with the seasons, providing a unique climate profile.

Average Daily Shortwave Solar Energy In Dublin, Ireland

Dublin’s daily solar energy varies significantly by month.

During the peak summer months, such as June and July, there is more sun, contributing to longer daylight hours and clearer skies.

Conversely, winter months, like December and January, see significantly less sunlight and more overcast days.

Dublin generally receives 4 hours of sunshine per day on average.

The longest daylight is observed in June, when days can extend up to 16 hours.

In contrast, December offers the shortest daylight, with only 8 hours.

Clear skies are more frequent in the summer, offering ample daylight for activities and travel.

Average Humidity In Dublin, Ireland

Dublin experiences varying levels of humidity throughout the year.

December is the most humid month with an average relative humidity of 83%.

On the other hand, May is the least humid month with an average of 68%.

The overall average humidity for the year is 73%.

Below is the average monthly humidity in Dublin:

The high humidity can be especially noticeable during the winter months.

The moderate summer humidity makes June to August the best time to visit if you prefer milder conditions.

For more details on Dublin’s climate, you can visit this page on average humidity in Dublin.

Average Wind In Dublin, Ireland

Dublin experiences varying wind speeds throughout the year. The average wind speed is significant in shaping the city’s climate.

Monthly Wind Speeds:

In Dublin, the wind tends to be stronger from November through February.

This period aligns with the cooler part of the year, making the weather feel brisk and chilly.

During the warmer months, from June to August, the wind speeds decrease slightly.

This makes the summer weather more pleasant, though it can still be breezy.

Overall, wind is a notable feature of Dublin’s weather, contributing to its oceanic climate. Understanding the wind patterns can help residents and visitors prepare for the varying conditions.

The city’s coastal location also influences these wind patterns, creating a unique climate for Dublin.

Average Air Quality In Dublin, Ireland

Dublin typically enjoys good air quality throughout the year. The Air Quality Index (AQI) often falls within the “Good” range, meaning it is generally safe for outdoor activities.

Monthly Average AQI

During the summer months, air pollution levels tend to be lower. For example, in July, the average AQI is around 16.

PM2.5 and PM10 are common pollutants measured. These fine particles can affect respiratory health, so lower values are better.

Weather Factors

Temperature (Fahrenheit) also plays a role in air quality.

Average temperatures in summer hover around 62.6°F to 73.4°F, while in winter they range from 55.4°F to 57.2°F.

Wind Speed affects pollution dispersal.

Dublin typically experiences wind speeds around 6.7 mph, helping to keep air quality good.

Pressure and UV Index also contribute.

High pressure days can trap pollutants, while a higher UV Index can lead to increased ozone levels.

For more data, visit IQAir and AccuWeather.

Topography Of Dublin, Ireland

Dublin, the capital city of Ireland, is located in County Dublin on the east coast of the island. It lies on the banks of the River Liffey, which splits the city into northern and southern parts.

The city’s terrain is largely flat, with some low hills to the south.

The average elevation in Dublin is around 23 meters, or about 75 feet above sea level.

The lowest point in the city dips to approximately -2 meters or -6.5 feet, below sea level. Areas toward the Dún Laoghaire-Rathdown region tend to be more elevated compared to central Dublin.

Elevation Highlights:

• Kill of the Grange: 45 meters (147 feet)
• Cabinteely-Pottery: Varied elevations
• Huntstown: Flat terrains with minimal elevation changes

Dublin’s proximity to the sea influences its landscape and also impacts its oceanic climate, known as Cfb by the Köppen climate classification. This means that Dublin experiences mild, maritime weather with cool summers and mild winters.

Outdoor enthusiasts appreciate Dublin’s terrain because of its relatively easy walks and scenic coastal views.

The hills to the south, like the Dublin Mountains, also provide popular hiking spots.

The River Liffey also provides boaters with easy access to the city’s center and connects to Dublin Bay, facing the Irish Sea. This makes Dublin’s waterways crucial both for recreation and transport.

Extreme Weather Events That Occur In Dublin, Ireland

Extreme weather events have become more common in Dublin, Ireland due to changes in climate patterns. Here are some key types of extreme weather that have been recorded:

• Storms: Dublin has faced several powerful storms.

  For instance, Storm Barra brought violent winds to the city, requiring red wind warnings in five counties.

• Heavy Rainfall: Dublin frequently experiences heavy rainfall, particularly between October and January.

  Records from the Irish Meteorological Service highlight severe events, such as the heavy rains in Winter 2009/10, leading to flooding in many areas.

• Extreme Heat: While rare, extreme heat has been recorded.

  A study indicates that temperatures above 90°F (32°C) are now more likely than in the past.

Monthly Breakdown of Extreme Weather Events:

• Cold Spells: Winters in Dublin can also be harsh.The winter of 2009/10 saw one of the coldest periods in nearly 50 years. Temperatures dropped significantly, causing disruptions across the city.

Hail is another weather concern for Dublin.

Although less frequent than other phenomena, hailstorms can occur, particularly in the spring and early summer months. These can cause damage to property and agriculture.

Best Time Of The Year To Visit Dublin, Ireland

The best time to visit Dublin depends on what you are looking for. Summer offers warm weather and plenty of festivals, while winter brings a festive holiday spirit.

What Is Dublin, Ireland Like In Spring

Spring in Dublin is cool and fresh. From March to May, temperatures range from 41°F to 57°F.

March can be chilly, but April and May start to warm up. Rainfall averages about 2.5 inches per month, so it’s good to pack a raincoat.

Spring is less crowded than summer, making it a nice time to explore attractions without long lines.

Flowers bloom in parks and gardens, adding color to the city. St. Patrick’s Day in March is a major highlight with parades and festivities.

What Is Dublin, Ireland Like In Summer

Summer, from June to August, is the most popular time to visit Dublin.

June and July see highs around 66°F to 68°F, while August starts to cool slightly. Rain averages around 2 inches per month, so expect some wet days.

This season brings long daylight hours, perfect for sightseeing. Festivals like Bloomsday in June and outdoor events fill the city.

However, it is the peak tourist season, leading to crowded spots and higher prices for hotels and flights.

What Is Dublin, Ireland Like In Fall

Fall, from September to November, sees the city cooling down.

September still feels mild with highs around 63°F, but by November, highs drop to 50°F. Rainfall increases, especially in October and November, so carrying an umbrella is wise.

October offers a mixed bag of weather, but cultural events like the Theatre Festival make it worth the visit.

Fall provides a quieter atmosphere than summer, giving visitors a chance to enjoy Dublin’s historic sites at a more relaxed pace.

What Is Dublin, Ireland Like In Winter

Winter in Dublin is cold and damp, running from December to February.

Daytime highs range between 46°F and 50°F, with lows around 36°F.

Rain is frequent, averaging 3 inches per month, and occasional snowfalls are possible.

Despite the chill, the festive atmosphere during Christmas and New Year’s is a major draw.

The city’s pubs, decorated with lights, offer cozy refuges from the cold.

January and February are the quietest months for tourism, allowing for a peaceful exploration of the city.