Ireland · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Dublin are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Dublin sees its warmest weather in July, when daytime highs average around 20°C, and its coolest in January (around 8°C).
Annual precipitation totals roughly 773mm — November is typically the wettest month (~83mm) and March the driest (~51mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
May is the sunniest month, with about 199 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 8° / 2°C | 62mm | 🤔 Fair |
| February | 9° / 2°C | 52mm | 🤔 Fair |
| March | 10° / 3°C | 51mm | 🤔 Fair |
| April | 12° / 4°C | 55mm | 🤔 Fair |
| May | 15° / 7°C | 57mm | 👍 Good |
| June | 18° / 9°C | 64mm | 👍 Good |
| July | 20° / 11°C | 61mm | 🌟 Great |
| August | 19° / 11°C | 73mm | 👍 Good |
| September | 17° / 10°C | 63mm | 👍 Good |
| October | 14° / 7°C | 78mm | 🤔 Fair |
| November | 10° / 4°C | 83mm | 🤔 Fair |
| December | 8° / 3°C | 72mm | 🤔 Fair |
January in Dublin is chilly, with average daytime highs around 8°C (46°F) and nighttime lows near 2°C (36°F). Expect roughly 62mm of precipitation spread over about 13 rainy days, with a moderate amount of rain.
☀️ About 59 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
February in Dublin is chilly, with average daytime highs around 9°C (47°F) and nighttime lows near 2°C (36°F). Expect roughly 52mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 81 hours of sunshine over the month (~3h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
March in Dublin is chilly, with average daytime highs around 10°C (50°F) and nighttime lows near 3°C (37°F). Expect roughly 51mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 115 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
April in Dublin is chilly, with average daytime highs around 12°C (54°F) and nighttime lows near 4°C (39°F). Expect roughly 55mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 161 hours of sunshine over the month (~5h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
May in Dublin is mild, with average daytime highs around 15°C (59°F) and nighttime lows near 7°C (44°F). Expect roughly 57mm of precipitation spread over about 11 rainy days, with little rainfall.
☀️ About 199 hours of sunshine over the month (~7h/day).
🎒 What to pack — light jacket · layers for cool evenings
June in Dublin is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 9°C (48°F). Expect roughly 64mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 179 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
July in Dublin is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 11°C (52°F). Expect roughly 61mm of precipitation spread over about 12 rainy days, with a moderate amount of rain.
☀️ About 157 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes
August in Dublin is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 11°C (52°F). Expect roughly 73mm of precipitation spread over about 12 rainy days, with a moderate amount of rain.
☀️ About 156 hours of sunshine over the month (~5h/day).
🎒 What to pack — light layers · comfortable walking shoes
September in Dublin is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 10°C (49°F). Expect roughly 63mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
☀️ About 131 hours of sunshine over the month (~4h/day).
🎒 What to pack — light jacket · layers for cool evenings
October in Dublin is chilly, with average daytime highs around 14°C (56°F) and nighttime lows near 7°C (45°F). Expect roughly 78mm of precipitation spread over about 12 rainy days, with a moderate amount of rain.
☀️ About 105 hours of sunshine over the month (~4h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
November in Dublin is chilly, with average daytime highs around 10°C (51°F) and nighttime lows near 4°C (40°F). Expect roughly 83mm of precipitation spread over about 13 rainy days, with a moderate amount of rain.
☀️ About 73 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
December in Dublin is chilly, with average daytime highs around 8°C (47°F) and nighttime lows near 3°C (37°F). Expect roughly 72mm of precipitation spread over about 13 rainy days, with a moderate amount of rain.
☀️ About 54 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers