Ireland Dublin Weather in July — Climate Guide
July in Dublin is very-high
Dublin Weather in July — Quick Answer
As of 2026- Avg temp
- 20° / 12°
- Rainfall
- 55mm · 11 days
- Crowds
- Very busy
As of 2026, Dublin in July averages a high of 20°C and low of 12°C with 55mm of rain over about 11 days. Peak summer — the warmest month at around 20°C/12°C, occasionally near 25°C in a good spell. Light clothing, but keep a sweater and light waterproof for cool, showery turns. Still long days (~16.5h light).
July is very-high for Dublin.
July is Dublin's warmest month and the height of summer, averaging 20°C/12°C — pleasant rather than hot, with the odd warm spell pushing toward 25°C. Days are still long (light past 21:30), and the city is at its busiest.
The weather is at its mildest and brightest, but this is Ireland — settled warm days can flip to cool and showery within hours, so layers and a light waterproof stay essential even in 'high summer.'
Travel score
Dublin July Weather Stats
Avg High
20°C
Avg Low
12°C
Rainy Days
11
55mm total
Sunshine
5.5h
Daily avg
Humidity
76%
comfortable
UV Index
5
Moderate
Wind
13 km/h
Gusts 26
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
8 μg/m³
PM10
16 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
20°C
Nighttime
12°C
Humidity and wind affect how the actual temperature feels.
Wind
13 km/h
Max gust 26 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- Warmest, brightest weather of the year
- Long days + buzzing summer city
- Festivals, concerts, outdoor life
- Best season for coastal day trips
Cons
- Peak crowds and highest prices
- Hotels scarce and expensive — book far ahead
- Mild, not hot — and still showery
- Busy attractions
July Events & Festivals
- Warmest month + school holidays — peak season
- Long days (light past 21:30)
- Outdoor festivals and gigs
- Longitude / summer concerts (dates vary)
Dublin in July — Full Picture
July is Dublin's warmest month and the height of summer, averaging 20°C/12°C — pleasant rather than hot, with the odd warm spell pushing toward 25°C. Days are still long (light past 21:30), and the city is at its busiest.
The weather is at its mildest and brightest, but this is Ireland — settled warm days can flip to cool and showery within hours, so layers and a light waterproof stay essential even in 'high summer.'
It's full peak season: school holidays, the most tourists, and the highest, scarcest hotel prices of the year (Dublin's room shortage is acute now). Book everything — hotels, attractions, day tours — well in advance.
The payoff is the liveliest version of the city: outdoor festivals, concerts, packed beer gardens, busy day trips, and long, golden evenings. Coastal trips to Howth and the Cliffs of Moher are at their most rewarding.
Note: don't pack for a Mediterranean summer — bring layers and rain gear, expect mild warmth at best, and brace for peak crowds and prices.
What to Wear & What to Pack
Peak summer — the warmest month at around 20°C/12°C, occasionally near 25°C in a good spell. Light clothing, but keep a sweater and light waterproof for cool, showery turns. Still long days (~16.5h light).
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
12.3°C
5.7°C
11/mo
Summer (Jun·Jul·Aug)
Current19°C
11.7°C
11/mo
Autumn (Sep·Oct·Nov)
13.7°C
7.7°C
12.3/mo
Winter (Dec·Jan·Feb)
8°C
3°C
12.3/mo
Dublin Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 8° | 3° | 13d·65mm | 1.8h | 85% | 1 | Quiet | Low season | |
| 8° | 3° | 11d·50mm | 2.6h | 84% | 1 | Quiet | Low season | |
| 10° | 4° | 11d·55mm | 3.5h | 81% | 2 | Busy | Peak | |
| 12° | 5° | 11d·55mm | 5.2h | 78% | 3 | Moderate | Shoulder | |
| May (Best) | 15° | 8° | 11d·60mm | 6h | 77% | 4 | Busy | Peak |
| June (Best) | 18° | 11° | 11d·65mm | 6h | 76% | 5 | Very busy | Peak |
| July (Best) | 20° | 12° | 11d·55mm | 5.5h | 76% | 5 | Very busy | Peak |
| August (Best) | 19° | 12° | 11d·70mm | 5h | 78% | 4 | Very busy | Peak |
| 17° | 10° | 11d·65mm | 4.2h | 80% | 3 | Busy | Peak | |
| 14° | 8° | 13d·80mm | 3.2h | 83% | 2 | Moderate | Shoulder | |
| 10° | 5° | 13d·75mm | 2h | 85% | 1 | Quiet | Low season | |
| 8° | 3° | 13d·75mm | 1.6h | 86% | 1 | Busy | Peak |
View Other Months
Dublin July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Dublin?
Dublin in July is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Dublin in July?
Dublin July averages a high of 20°C and a low of 12°C.
Does it rain much in Dublin in July?
Dublin July averages 55mm of rainfall over about 11 rainy days.
What should I wear in Dublin in July?
Peak summer — the warmest month at around 20°C/12°C, occasionally near 25°C in a good spell. Light clothing, but keep a sweater and light waterproof for cool, showery turns. Still long days (~16.5h light).
What time are sunrise and sunset in Dublin in July?
Dublin July sunrise is 05:25 and sunset is 21:30, with 16h 05min of daylight.
What's the air quality like in Dublin in July?
Dublin July air quality (AQI) averages 28, rated Good. PM2.5 averages 8μg/m³.
What activities are recommended in Dublin in July?
In July, Dublin is great for Cliffs of Moher & Glendalough day trips, Howth & coastal walks, Summer festivals & concerts.
Is July peak season in Dublin?
Dublin July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Dublin
View Other Months
Planning a July trip to Dublin?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.