Ireland Dublin Weather in July — Climate Guide
July in Dublin is very-high
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
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.