Dublin, Ireland Climate & Monthly Averages

Ireland 🇮🇪 · oceanic climate
Annual avg
51°
Hottest month
July
Coldest month
January
Rainy days / yr
161
Sunshine
7.5 h/day
Right now: 58° and overcast - see live conditions

The climate of Dublin

Dublin averages 51°F (11°C) across the year, with 7.5 hours of sunshine a day and 36.3 inches (922 mm) of precipitation. The spread runs from January, at 47°F (8°C), to July, at 66°F (19°C).

Climate quick facts

  • Hottest month: July - highs near 66°F (19°C)
  • Coldest month: January - highs near 47°F (8°C)
  • Decade extremes (2015-2024): 81°F (27°C) high · 27°F (-3°C) low
  • Wettest month: December (15 rainy days) · Sunniest: June (11.4 h sun/day)
  • Climate type: oceanic
  • Annual swing: 10°C between the average warmest and coolest month · day to night: 5°C
  • Snow: about 2 days a year
  • Average humidity: 80%

Temperatures through the year

January bottoms out at 47°F (8°C) in daylight, 39°F (4°C) after dark. At its warmest, in July, Dublin runs to 66°F (19°C) in the afternoon and back to 56°F (13°C) by dawn. Between the average July and the average January lie 10°C, a narrower spread than about 76% of the cities we track.

Rain, sun and snow

Relative humidity averages 80% across the year, more humid than roughly 84% of the cities we track. The wettest month is December (3.7 inches (94 mm) across 15 days) and the driest April. Snowfall is rare but not unheard of. June is the brightest month at 11.4 hours of sun a day, against an annual average of 7.5 - duller than all but 7% of the 3496 cities in our dataset. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 81°F (27°C) and the lowest daily minimum 27°F (-3°C).

How Dublin compares

  • Afternoons run 5°C above the following night - a flatter daily curve than all but 4% of the 3496 cities we track.
  • 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Dublin based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 47° 39° 12 2.5 in 4.1 h/day 8.0 h 40% 83%
February 48° 39° 13 2.6 in 5.4 h/day 9.7 h 46% 80%
March 50° 40° 14 3.2 in 7.1 h/day 11.7 h 46% 79%
April 53° 42° 12 2.5 in 9.2 h/day 13.9 h 40% 78%
May 59° 48° 12 2.5 in 11.0 h/day 15.8 h 40% 77%
June 64° 53° 13 2.9 in 11.4 h/day 17.0 h 44% 76%
July 66° 56° 15 3.1 in 10.1 h/day 16.5 h 47% 77%
August 66° 55° 14 3.2 in 9.7 h/day 14.8 h 44% 79%
September 62° 52° 13 3.3 in 8.2 h/day 12.6 h 43% 80%
October 57° 49° 14 3.4 in 6.2 h/day 10.4 h 46% 81%
November 51° 44° 13 3.5 in 4.5 h/day 8.5 h 43% 83%
December 49° 41° 15 3.7 in 3.3 h/day 7.5 h 49% 84%

Dublin month by month

Average high and low for each month, with the bar showing where it sits in Dublin's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
47°39°
Rain
12 days
Sunshine
4.1 h
Daylight
8.0 h

February

48°39°
Rain
13 days
Sunshine
5.4 h
Daylight
9.7 h

March

50°40°
Rain
14 days
Sunshine
7.1 h
Daylight
11.7 h
Snow
1 day

April

Driest
53°42°
Rain
12 days
Sunshine
9.2 h
Daylight
13.9 h

May

59°48°
Rain
12 days
Sunshine
11.0 h
Daylight
15.8 h

June

Sunniest
64°53°
Rain
13 days
Sunshine
11.4 h
Daylight
17.0 h

July

Hottest
66°56°
Rain
15 days
Sunshine
10.1 h
Daylight
16.5 h

August

66°55°
Rain
14 days
Sunshine
9.7 h
Daylight
14.8 h

September

62°52°
Rain
13 days
Sunshine
8.2 h
Daylight
12.6 h

October

57°49°
Rain
14 days
Sunshine
6.2 h
Daylight
10.4 h

November

51°44°
Rain
13 days
Sunshine
4.5 h
Daylight
8.5 h

December

Wettest
49°41°
Rain
15 days
Sunshine
3.3 h
Daylight
7.5 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

Seasons in Dublin

Spring (March through May)

Spring stays on the cool side of mild here - highs near 54°F (12°C), nights near 43°F (6°C), and rain falls on around 39 of the 90 days.

Summer (June through August)

Summer in Dublin runs cool rather than cold, with daytime highs averaging 65°F (18°C) and nights around 55°F (13°C); rain falls on around 42 of the 90 days. Daylight is generous - around 10.4 hours of sun a day.

Fall (September through November)

Fall in Dublin is crisp but comfortable, with daytime highs averaging 57°F (14°C) and nights around 48°F (9°C); rain falls on around 40 of the 90 days.

Winter (December through February)

Through winter, Dublin is chilly: 48°F (9°C) by day, 40°F (4°C) after dark, and rain falls on around 40 of the 90 days.

Climate questions, answered

How often does it rain in Dublin?
About 161 days bring measurable precipitation, totalling 36.3 inches (922 mm). That works out at roughly 5.7 mm on an average wet day.
How warm is Dublin on average?
51°F (11°C) across all twelve months - about 56°F (13°C) by day and 47°F (8°C) after dark.
How much do temperatures drop at night in Dublin?
By about 5°C on an average day - a narrower day-to-night gap than most of the 3496 cities we track. In July that means 66°F (19°C) down to 56°F (13°C).
How cold does Dublin get in winter?
January nights average 39°F (4°C). Chilly rather than harsh - hard freezes are uncommon.
Is Dublin hot in summer?
July averages 66°F (19°C). Even at its peak the year stays cool.

Best time to visit Dublin

June to September and April is the sweet spot for Dublin - warm days, manageable rainfall and plenty of daylight line up. Expect 62°F (17°C) in the afternoon and around 13 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in June.

Pack for Dublin with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: July pairs 66°F (19°C) with 56°F (13°C).

Dublin temperature records (2015-2024)

Highest recorded
81°
in July
Lowest recorded
27°
in January
Annual precipitation
36.3"
Snowy days / yr
2

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.