Dublin, Ireland Climate & Monthly Averages
Dublin has an oceanic climate. July is the hottest month, averaging 66° by day; January is the coldest at 47°.
How weather changes through the year in 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).
Dublin 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, rain and sunshine
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.
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).
Where Dublin sits among other climates
- 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.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| 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
Each card shows the average high and low. The bar places that month between Dublin's coldest night and warmest afternoon.
January
- Rain
- 12 days
- Sunshine
- 4.1 h
- Daylight
- 8.0 h
February
- Rain
- 13 days
- Sunshine
- 5.4 h
- Daylight
- 9.7 h
March
- Rain
- 14 days
- Sunshine
- 7.1 h
- Daylight
- 11.7 h
- Snow
- 1 day
April
- Rain
- 12 days
- Sunshine
- 9.2 h
- Daylight
- 13.9 h
May
- Rain
- 12 days
- Sunshine
- 11.0 h
- Daylight
- 15.8 h
June
- Rain
- 13 days
- Sunshine
- 11.4 h
- Daylight
- 17.0 h
July
- Rain
- 15 days
- Sunshine
- 10.1 h
- Daylight
- 16.5 h
August
- Rain
- 14 days
- Sunshine
- 9.7 h
- Daylight
- 14.8 h
September
- Rain
- 13 days
- Sunshine
- 8.2 h
- Daylight
- 12.6 h
October
- Rain
- 14 days
- Sunshine
- 6.2 h
- Daylight
- 10.4 h
November
- Rain
- 13 days
- Sunshine
- 4.5 h
- Daylight
- 8.5 h
December
- Rain
- 15 days
- Sunshine
- 3.3 h
- Daylight
- 7.5 h
Looking for warmer alternatives? Browse warm places by month, or compare Dublin's coolest part of the year: January, February, December.
A season-by-season guide to 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.
Questions people ask about Dublin's climate
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The most useful weather window for Dublin
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.
What to pack
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 extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.