Dublin weather
World cities · Ireland · 53.35°N 6.26°W
Dublin, in Ireland, has its warmest weather in July, when daytime temperatures average 19.1°C, while January nights are the coldest at around 3.8°C. The city sees roughly 944mm of rain a year; October is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 8.4° | 3.8° | 62mm | 11 |
| Feb | 9.9° | 4.9° | 79mm | 14 |
| Mar | 10.5° | 4.9° | 79mm | 14 |
| Apr | 11.8° | 5.9° | 60mm | 11 |
| May | 15.2° | 9° | 62mm | 11 |
| Jun | 17.6° | 11.5° | 66mm | 13 |
| Jul | 19.1° | 13.1° | 90mm | 15 |
| Aug | 19.1° | 13.1° | 85mm | 14 |
| Sep | 17.3° | 11.7° | 88mm | 12 |
| Oct | 14.6° | 9.8° | 117mm | 18 |
| Nov | 11.3° | 6.9° | 68mm | 11 |
| Dec | 9.1° | 5° | 88mm | 15 |
Seasons in Dublin
Spring (March–May). Daytime highs in Dublin climb from 10.5°C in March to 15.2°C by May, while nights ease from 4.9°C to 9°C. The season brings around 201mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 18.6°C, peaking in July at 19.1°C. June is usually the driest of the summer months (66mm over ~13 rainy days). Around the June solstice, Dublin gets roughly 16.8 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 17.3°C in September to 11.3°C by November, and rainfall builds to its annual peak — October is the wettest month of the year (117mm).
Winter (December–February). Nights average 4.6°C, with January the coldest month (average low 3.8°C, daytime high 8.4°C). Expect about 40 days with measurable rain over the three months, and only around 7.2 hours of daylight in mid-December.
How Dublin compares
| Dublin | UK town average | |
|---|---|---|
| Annual rainfall | 944mm | 1054mm |
| Rainy days per year | 159 | 167 |
| Summer daytime high | 18.6°C | 19.7°C |
| Winter night low | 4.6°C | 3.4°C |
Dublin is about 10% drier than the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Dublin weather FAQs
What is the warmest month in Dublin?
July is typically the warmest month in Dublin, with average daytime highs of 19.1°C. Summer afternoons (June–August) average around 18.6°C.
What is the wettest month in Dublin?
October is usually the wettest month, with around 117mm of rain over roughly 18 rainy days. April is typically the driest (60mm).
How much does it rain in Dublin per year?
Dublin receives roughly 944mm of precipitation per year, spread over about 159 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Dublin?
Winter nights (December–February) in Dublin average around 4.6°C, with January typically the coldest month (average low 3.8°C).
When is the best time to visit Dublin for good weather?
Late spring and summer offer the most reliable weather in Dublin. June is typically the driest of the warm months (66mm of rain), while July is the warmest, averaging 19.1°C by day — and near the June solstice there are around 17 hours of daylight to enjoy.
How does Dublin's weather compare with the UK?
Dublin receives 944mm of rain a year, about 10% drier than the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 18.6°C against a UK-town average of 19.7°C, and winter nights average 4.6°C versus 3.4°C.