The Weather in Dublin in July

Updated: 16 mayo 2023

This post covers the weather in Dublin, Ireland in July, including average temperatures and precipitation, plus tips on how to dress.

July means that summer is here and in Dublin, the weather will feature comfortable days and cool nights.

How Warm Is Dublin in July?

Daytime high temperatures tend to be around 19 C (66-67 F), however, a few of the warmer afternoons can reach up to 22 C (about 72 F).

The record high temperature for Dublin during July is 27.6 C (81.7 F).

Late night and early morning low temperatures tend to be cool, at around 11-12 C (52-54 F) but a few of the cooler mornings will drop down to around 8 C (46-47 F). 

The record low temperature for Dublin during July is 4.6 C (40.3 F). 

How Much Rain in July?

About 15-16 days in July will see sunny, or at least partly sunny skies, however, some rain normally falls on about 16 days this month. 

The good news is that only 3 days will likely see rainfalls of 5mm (0.2 inches) or more. 


The hours of daylight declined this month from about 16.9 hours on July 1st to 15.7 hours by the 31st but still offers ample time to explore the city.


Wind speeds during July range mostly from gentle at 8-12 mph/12-19 kph to moderate at 13-18 mph/20-28 kph.

Ocean Temperatures

Dublin lies along the western edge of the Irish Sea which during July is still quite chilly with temperatures averaging near 13-14 C (56-58 F).

What to Wear in Dublin in July?

With long hours of daylight this month and mild to warm temperatures, July is a great time to explore the outdoors. 

Bring your sunglasses but dress in layers as late night and early morning temperatures can be chilly but the afternoons will tend to be mild to warm.

Also bring both short and long-sleeved shirts, warm socks, and water-resistant walking shoes or boots. 

Jeans or other travel pants along with a lightweight jacket and a sweater will do. 

Things to Do in Dublin in July

The summer is a great time to take a pay-what-you-wish walking tour in Dublin.

You may also want to consider another type of outing such as a hop-on hop-off bus tour or a cruise.

Dublin Walking Tours

Another great place to visit is Dollymount Beach, and there's no better time to head to the beach than on a nice, sunny day!

In addition to these activities, there are also usually at least a few notable concerts during the summer months.

Bohemian FC will also be playing two home games at Dalymount Park in July.

Fred Pickhardt
Ocean Weather Services

About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: mayo 16th, 2023
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