Dublin Climate & Weather Averages

Ireland · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)

Written by Sofia Reyes · Edited by David Chen · Last reviewed July 30, 2026
Dublin city skyline — climate and weather guide photo
Hottest Month
16.1°C
61.0°F
July
Coldest Month
6.1°C
43.0°F
January
Year Avg Temp
11.0°C
51.8°F
April driest
Annual Rainfall
945.0mm
October wettest
117.3mm peak
Rainy Days/Year
236.0
days > 0.1mm
~20/mo avg
Avg Humidity
79.8%
UV: —
Wind: 24.9 km/h

Best Time to Visit Dublin

Based on temperature comfort, low rainfall, and sunshine hours, the best months to visit Dublin are:

July, August, June

Scores based on ideal temperature (18-28°C), low precipitation, and high sunshine. July scores 46/100.

Dublin has a Oceanic climate with mild summers and cold winters. The warmest month is July with an average temperature of 16.1°C (61.0°F), while January is the coldest at 6.1°C (43.0°F). Annual precipitation averages 945.0mm spread across approximately 236.0 rainy days per year, with October being the wettest month at 117.3mm and April the driest at 59.7mm. The city receives an average of 3.5-11.4 hours of sunshine per day, with the sunniest months being June and May. Humidity remains relatively consistent throughout the year, averaging around 79.8% annually, while average wind speeds reach 24.9 km/h. The overall annual mean temperature is 11.0°C (51.8°F), reflecting the oceanic conditions shaped by Dublin's latitude (53.35°) and surrounding geography. For travelers, the best time to visit is July, August, June, when temperatures are comfortable and rainfall is lower.

Writer's Note — Sofia Reyes

Dublin's weather is a choose-your-own-adventure where every chapter includes rain. I packed a 'waterproof' jacket once — it wasn't. Bring serious rain gear: Gore-Tex or equivalent, year-round. The good news: rain rarely lasts long. My favorite window is May-June: 15°C, 7 hours of sun, and the pubs still have that winter coziness. August can be oddly humid. Skip January — 5°C, 70mm of rain, 8 hours of daylight if you're lucky. October has a melancholic charm but bring layers. Always pack for four seasons in one day, genuinely.

Climate Insights from Our Writers

“Dublin's weather is a choose-your-own-adventure where every chapter includes rain. I've learned through years of study that the city's reputation for precipitation is well-earned but misunderstood. The data shows that Dublin receives about 750mm of annual rainfall, which is actually less than many European cities, but it's distributed across an astounding 200+ rainy days per year. The rain comes not in downpours but in frequent, light showers that can appear and disappear within minutes. What I find most fascinating about Dublin's climate is the way it shapes the city's famous pub culture. The frequent rain creates a natural rhythm — a shower drives people indoors, the sun returns, and the streets fill again. The pubs function as communal living rooms, warm and welcoming spaces where the weather becomes a shared topic of conversation. The Gulf Stream's influence gives Dublin a milder climate than its latitude suggests, with January averaging 5°C and July reaching 15°C. The extremes are rare — temperatures rarely exceed 25°C or drop below -5°C. The best time for a visit is May through June, when the days are long (up to 17 hours of daylight), temperatures are around 15°C, and the rainfall is at its lowest. The city's famous parks — St. Stephen's Green, Phoenix Park — are at their most beautiful during this period. The data shows that January is the toughest month, with cold temperatures, frequent rain, and limited daylight. For travelers, the key to enjoying Dublin is embracing the rain as part of the experience. Pack serious waterproof gear, plan indoor activities as a complement to outdoor exploration, and understand that the city's charm is enhanced, not diminished, by its famously changeable weather.”

— Climate & Travel Writer

Seasonal Climate Overview

Spring (Mar-May)

Average temperature 9.6°C (49.3°F), rainfall 66.7mm, sunshine 9.3 hrs/day, humidity 78.0%. Mild transitional weather characterizes this period. Expect around 19.9 rainy days per month.

Summer (Jun-Aug)

Average temperature 15.6°C (60.1°F), rainfall 80.7mm, sunshine 10.3 hrs/day, humidity 77.5%. Mild transitional weather characterizes this period. Expect around 21.2 rainy days per month.

Autumn (Sep-Nov)

Average temperature 11.9°C (53.4°F), rainfall 91.3mm, sunshine 6.3 hrs/day, humidity 81.9%. Mild transitional weather characterizes this period. Expect around 19.5 rainy days per month.

Winter (Dec-Feb)

Average temperature 6.9°C (44.4°F), rainfall 76.2mm, sunshine 4.2 hrs/day, humidity 81.8%. Cold season conditions dominate. Expect around 17.9 rainy days per month.

Monthly Temperature Averages (°C / °F)

MonthAvg HighAvg LowMean Temp
January 8.4°C (47.1°F) 3.8°C (38.8°F) 6.1°C (43.0°F)
February 9.9°C (49.8°F) 4.9°C (40.8°F) 7.4°C (45.3°F)
March 10.5°C (50.9°F) 4.9°C (40.8°F) 7.7°C (45.9°F)
April 11.8°C (53.2°F) 5.9°C (42.6°F) 8.9°C (48.0°F)
May 15.2°C (59.4°F) 9.0°C (48.2°F) 12.1°C (53.8°F)
June 17.6°C (63.7°F) 11.5°C (52.7°F) 14.7°C (58.5°F)
July 19.1°C (66.4°F) 13.1°C (55.6°F) 16.1°C (61.0°F)
August 19.1°C (66.4°F) 13.1°C (55.6°F) 16.1°C (61.0°F)
September 17.3°C (63.1°F) 11.7°C (53.1°F) 14.5°C (58.1°F)
October 14.6°C (58.3°F) 9.8°C (49.6°F) 12.2°C (54.0°F)
November 11.3°C (52.3°F) 6.9°C (44.4°F) 9.1°C (48.4°F)
December 9.1°C (48.4°F) 5.0°C (41.0°F) 7.1°C (44.8°F)

Monthly Precipitation (mm)

MonthAvg RainfallBar
January 61.6 mm
February 79.3 mm
March 78.8 mm
April 59.7 mm
May 61.7 mm
June 66.5 mm
July 90.5 mm
August 85.2 mm
September 88.1 mm
October 117.3 mm
November 68.4 mm
December 87.8 mm

Monthly Rainy Days (avg days with rain > 0.1mm)

MonthAvg Rainy DaysBar
January 17.2
February 17.8
March 21.4
April 19.0
May 19.2
June 19.6
July 23.6
August 20.4
September 19.2
October 21.8
November 17.6
December 18.8

Monthly Humidity (%)

MonthAvg HumidityBar
January 82.8%
February 78.9%
March 79.2%
April 78.0%
May 76.9%
June 75.9%
July 77.7%
August 78.8%
September 81.5%
October 80.8%
November 83.3%
December 83.7%

Monthly Wind Speed (avg max km/h)

MonthAvg Max WindBar
January 27.0 km/h
February 31.4 km/h
March 26.7 km/h
April 23.1 km/h
May 21.7 km/h
June 21.8 km/h
July 21.4 km/h
August 22.4 km/h
September 22.6 km/h
October 26.5 km/h
November 26.3 km/h
December 28.2 km/h

Monthly UV Index (avg max)

MonthUV IndexRisk LevelBar
January — —
February — —
March — —
April — —
May — —
June — —
July — —
August — —
September — —
October — —
November — —
December — —

Monthly Snowfall (cm)

MonthAvg SnowfallBar
January 0.4 cm
February 1.1 cm
March 1.9 cm
April 0.2 cm
May 0.0 cm
June 0.0 cm
July 0.0 cm
August 0.0 cm
September 0.0 cm
October 0.0 cm
November 0.0 cm
December 0.7 cm

Monthly Sunshine Hours (daily average)

MonthAvg Daily SunshineBar
January 4.1 hrs
February 5.0 hrs
March 7.0 hrs
April 9.7 hrs
May 11.2 hrs
June 11.4 hrs
July 9.8 hrs
August 9.8 hrs
September 8.3 hrs
October 6.2 hrs
November 4.4 hrs
December 3.5 hrs

Frequently Asked Questions

What is the hottest month in Dublin?

July is the hottest month with an average temperature of 16.1°C (61.0°F).

What is the coldest month in Dublin?

January is the coldest month with an average temperature of 6.1°C (43.0°F).

What is the rainiest month in Dublin?

October is the wettest month with an average of 117.3mm of precipitation. The city experiences about 236.0 rainy days per year.

When is the best time to visit Dublin?

The best time to visit Dublin is during July, August, June, when temperatures are comfortable and rainfall is lower.

Cities with Similar Climate (Oceanic)

Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 53.35°, -6.26°. Timezone: Europe/Dublin. Last updated: 2026-07-30.