Dublin, Ireland Climate & Monthly Averages
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
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 47° | 39° | 12 | 2.5 in | 4.1 h/day | 83% |
| February | 48° | 39° | 13 | 2.6 in | 5.4 h/day | 80% |
| March | 50° | 40° | 14 | 3.2 in | 7.1 h/day | 79% |
| April | 53° | 42° | 12 | 2.5 in | 9.2 h/day | 78% |
| May | 59° | 48° | 12 | 2.5 in | 11.0 h/day | 77% |
| June | 64° | 53° | 13 | 2.9 in | 11.4 h/day | 76% |
| July | 66° | 56° | 15 | 3.1 in | 10.1 h/day | 77% |
| August | 66° | 55° | 14 | 3.2 in | 9.7 h/day | 79% |
| September | 62° | 52° | 13 | 3.3 in | 8.2 h/day | 80% |
| October | 57° | 49° | 14 | 3.4 in | 6.2 h/day | 81% |
| November | 51° | 44° | 13 | 3.5 in | 4.5 h/day | 83% |
| December | 49° | 41° | 15 | 3.7 in | 3.3 h/day | 84% |
Dublin month by month
Dublin weather in January
January brings highs around 47°F (8°C), lows near 39°F (4°C), about 12 wet days - typically the coldest month of the year in Dublin.
Dublin weather in February
February brings highs around 48°F (9°C), lows near 39°F (4°C), about 13 wet days.
Dublin weather in March
March brings highs around 50°F (10°C), lows near 40°F (4°C), about 14 wet days and roughly 1 snowy days.
Dublin weather in April
April brings highs around 53°F (12°C), lows near 42°F (6°C), about 12 wet days - typically the driest month of the year in Dublin.
Dublin weather in May
May brings highs around 59°F (15°C), lows near 48°F (9°C), about 12 wet days.
Dublin weather in June
June brings highs around 64°F (18°C), lows near 53°F (12°C), about 13 wet days - typically the sunniest month of the year in Dublin.
Dublin weather in July
July brings highs around 66°F (19°C), lows near 56°F (13°C), about 15 wet days - typically the hottest month of the year in Dublin.
Dublin weather in August
August brings highs around 66°F (19°C), lows near 55°F (13°C), about 14 wet days.
Dublin weather in September
September brings highs around 62°F (17°C), lows near 52°F (11°C), about 13 wet days.
Dublin weather in October
October brings highs around 57°F (14°C), lows near 49°F (9°C), about 14 wet days.
Dublin weather in November
November brings highs around 51°F (11°C), lows near 44°F (6°C), about 13 wet days.
Dublin weather in December
December brings highs around 49°F (9°C), lows near 41°F (5°C), about 15 wet days - typically the wettest month of the year in Dublin.
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?
How warm is Dublin on average?
How much do temperatures drop at night in Dublin?
How cold does Dublin get in winter?
Is Dublin hot in summer?
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)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.