July weather forecastDublin, Ireland

The illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland

July

Weather in July

July proudly represents the crux of summer within Dublin, bringing with it welcoming waves of warmth. The cities’ sea temperature peaks at 14.1°C (57.4°F) during this couple of months offering idyllic sunset beach walks. What is a Dublin summer without a splash of Irish rain? Therefore, despite the summer peeking, be prepared to face the occasional yet inevitable rain showers. The city exudes a vibrant feel, complemented by long sunny days and bustling outdoor activities, making it a perfect time for exploration and relaxation.

Temperature

In Dublin, the month of July registers the highest temperatures, averaging 20.2°C (68.4°F) at the peak and 13.5°C (56.3°F) at the lowest.

Rainfall

In Dublin, Ireland, in July, it is raining for 10 days, with typically 51mm (2.01") of accumulated precipitation. In Dublin, during the entire year, the rain falls for 128 days and collects up to 714mm (28.11") of precipitation.

Sea temperature

In July, the average sea temperature in Dublin is 14.1°C (57.4°F).
Note: Staying in 14.1°C (57.4°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In July, the average length of the day is 16h and 25min.
On the first day of the month, sunrise is at 5:01 am and sunset at 9:56 pm. On the last day of July, in Dublin, sunrise is at 5:40 am and sunset at 9:22 pm IST.

Sunshine

In Dublin, the average sunshine in July is 5.3h.

UV index

The months with the highest UV index in Dublin are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July, with its average high-temperature of 20.2°C (68.4°F) and an average low-temperature of 13.5°C (56.3°F), holds the record as the warmest month.

In Dublin, 20.2°C (68.4°F) is the average high-temperature and 13.5°C (56.3°F) is the average low-temperature during July.

In Dublin, Ireland, during July, the rain falls for 10 days and regularly aggregates up to 51mm (2.01") of precipitation.

In Dublin, Ireland, the average seawater temperature in July is 14.1°C (57.4°F). Swimming in 14.1°C (57.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

In Dublin, the average day length in July is 16h and 25min.

In July, on the first day of the month, sunrise is at 5:01 am and sunset at 9:56 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:22 pm IST.

In July, the average sunshine duration in Dublin is 5.3h.

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dublin, Ireland.

The average daily maximum UV index in July in Dublin, Ireland, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

18°C

20.2°C

19.6°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in July
Dublin, Ireland

Average high temperature in July: 20.2°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (8.8°C).

Average low temperature in July: 13.5°C

The month with the highest average low temperature is July (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.9°C).

Average rainfall in July
Dublin, Ireland

Average rainfall in July: 50.5mm

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the least rainfall) is February (46.1mm).

Average rainfall days in July
Dublin, Ireland

Average rainfall days in July: 10 days

The months with the highest number of rainy days are January, October and December (12 days).
The months with the least rainy days are June and September (9 days).

Average sea temperature in July
Dublin, Ireland

Average sea temperature in July: 14.1°C

The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in July /
Average sunshine in July
Dublin, Ireland

Average daylight in July: 16h and 24min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

Average sunshine in July: 5h and 18min

The month with the most sunshine is May (Average sunshine: 6h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).