Best time to visit Dublin
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Dublin
30 top-rated tours via Viator. Booking links earn this site a commission at no cost to you.
- 1
Dublin Historical Centre Food Tour with 6 Food Tastings & Drinks - 2
Food on Foot: Dublin Street Food Tour with Local Guide - 3
Dublin to Cliffs of Moher, Burren, Wild Atlantic Way, Galway Tour - 4
Dublin to Dunluce Castle, Giant's Causeway, Dark Hedge, Belfast - 5
Dublin: Giants Causeway, Dark Hedges, Dunluce and Belfast Titanic - 6
Dublin: Glendalough, Wicklow, Kilkenny and Sheepdog demonstration - 7
Giant's Causeway with the Titanic Exhibition and the best of Northern Ireland - 8
St Patrick's Cathedral, Book of Kells and Dublin Castle Tour - 9
Dublin Book of Kells, Castle and Molly Malone Statue Guided Tour - 10
Dublin Jameson Distillery and Guinness Storehouse Guided Tour - 11
Guinness Storehouse Experience - 12
Dublin Jameson Distillery Bow St. Tour and Tasting 45 mins - 13
Dublin to Newgrange, Monasterboice Small Group Guided Tours - 14
The Dublin Private Walking Tour - 15
Dublin Jameson Distillery Bow St. Choice of Experiences - 16
Dublin Food and Drink Walking Tour and Jameson Irish Coffee Demo - 17
Dublin: Irish Whiskey Museum Tour with 3 or 4 Tastings - 18
Dublin to Cliffs of Moher, including Wild Atlantic Way and Galway - 19
Dublin to Glendalough, Wicklow and Kilkenny Full Day Guided Tour - 20
Dublin to Belfast Titanic Dunluce Castle Giants Causeway Tour - 21
Dublin Highlights and Hidden Gems Guided Walking Tour - 22
Dublin to Belfast Black Cab, Dunluce Castle and Giant's Causeway - 23
Kilkenny, Wicklow and Glendalough Sheepdog Trials from Dublin - 24
Dublin to Cliffs of Moher, Ennis and Historic Limerick Day Tour - 25
Haunted Dublin Walking Tour - 26
Dublin Coastal Hike, Pints & Puppies Adventure - 27
1916 Rebellion Walking Tour - 28
Dublin Mythology and Folklore Tour with Irish Stories and Legends - 29
Delicious Dublin Food Tour - 30
Dublin Teeling Whiskey Distillery Guided Tour and Tasting 1 Hour
Last refreshed 2026-05-30.
Similar climatesBath94% · York93% · Oxford93%
Other destinations with the most-alike year-round climate to Dublin (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Dublin's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 4–8 | 4 | 11 | 119 | 10.8 | 81% | 27 | 96 | — | Quiet | 4 |
| Feb | 5–10 | 5 | 14 | 151 | 10.8 | 75% | 31 | 106 | 1 | Quiet | 4 |
| Mar | 5–10 | 6 | 14 | 166 | 11.9 | 73% | 27 | 162 | 2 | Quiet | 4 |
| Apr | 6–12 | 8 | 11 | 141 | 12.8 | 70% | 23 | 217 | 3 | Quiet | 5 |
| May | 9–15 | 12 | 11 | 139 | 12.6 | 68% | 22 | 261 | 4 | Quiet | 6 |
| Jun | 12–18 | 16 | 13 | 145 | 11.2 | 68% | 22 | 257 | 4 | Quiet | 7 |
| Jul | 13–19 | 18 | 15 | 197 | 13.1 | 69% | 21 | 227 | 4 | Quiet | 6 |
| Aug | 13–19 | 18 | 14 | 150 | 10.7 | 71% | 22 | 227 | 3 | Peak | 7 |
| Sep | 12–17 | 15 | 12 | 138 | 11.5 | 74% | 23 | 187 | 2 | Moderate | 6 |
| Oct | 10–15 | 12 | 18 | 170 | 9.4 | 76% | 27 | 145 | 1 | Quiet | 5 |
| Nov | 7–11 | 8 | 11 | 109 | 9.9 | 81% | 26 | 100 | 1 | Moderate | 5 |
| Dec | 5–9 | 5 | 15 | 148 | 9.9 | 82% | 28 | 80 | — | Moderate | 4 |
UV Index in Dublin by Month
UV index in Dublin peaks at 4 (moderate) in June, dropping to 0 (low) in January.
Best months in detail
August
7/1013–19°C (feels 18°C) · 14 rain days (150h) · 227 sun hours · 71% humidity · Peak crowd · UV 3 (moderate)
June
7/1012–18°C (feels 16°C) · 13 rain days (145h) · 257 sun hours · 68% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)
September
6/1012–17°C (feels 15°C) · 12 rain days (138h) · 187 sun hours · 74% humidity · Moderate crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
Every month
Show the other 9 months in detail
January
4/104–8°C (feels 4°C) · 11 rain days (119h) · 96 sun hours · 81% humidity · Quiet crowd
February
4/105–10°C (feels 5°C) · 14 rain days (151h) · 106 sun hours · 75% humidity · Quiet crowd · UV 1 (low)
March
4/105–10°C (feels 6°C) · 14 rain days (166h) · 162 sun hours · 73% humidity · Quiet crowd · UV 2 (low)
April
5/106–12°C (feels 8°C) · 11 rain days (141h) · 217 sun hours · 70% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
6/109–15°C (feels 12°C) · 11 rain days (139h) · 261 sun hours · 68% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)
July
6/1013–19°C (feels 18°C) · 15 rain days (197h) · 227 sun hours · 69% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
October
5/1010–15°C (feels 12°C) · 18 rain days (170h) · 145 sun hours · 76% humidity · Quiet crowd · UV 1 (low)
November
5/107–11°C (feels 8°C) · 11 rain days (109h) · 100 sun hours · 81% humidity · Moderate crowd · UV 1 (low)
December
4/105–9°C (feels 5°C) · 15 rain days (148h) · 80 sun hours · 82% humidity · Moderate crowd
Frequently asked questions about visiting Dublin
When is the best time to visit Dublin?
August is the highest-scoring month (7/10 on the Holiday Climate Index). Typical conditions: 13–19°C (14 rainy days). The top three months by score are August, June, September.
What is the worst time to visit Dublin?
December is the lowest-scoring month (4/10). Typical conditions: 5–9°C (15 rainy days).
When are crowds lowest in Dublin?
Search-interest seasonality (Google Trends 2021-2025) is lowest in April and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Dublin have good weather but fewer tourists?
June (climate 7/10, crowd index 24) and May (climate 6/10, crowd index 21) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Dublin by month?
UV peaks at 4 (moderate) in June and is lowest in January at 0 (low). Monthly peak values: Jan —, Feb 1, Mar 2, Apr 3, May 4, Jun 4, Jul 4, Aug 3, Sep 2, Oct 1, Nov 1, Dec —.
What is the UV index in Dublin in June?
June is the peak UV month in Dublin, with a daily-peak UV index of 4 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Dublin on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. June is the worst case: typical days average UV 4 (moderate), but the top 10% of days reach UV 6 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: April, May, June, July, September. Plan sun protection for the worst case, not the average.