Dublin
Ireland
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Dublin, Ireland

A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
October is midway through the mildly cool fall season, with the leaves changing into spectacular colors. October is the wettest month with 76.2mm (3") of rain, and average temperatures are in the range of a cold 7.2°C (45°F) to 13.9°C (57°F).
October ushers many arts and other festivals like the Dublin Theatre Festival but sees a steady drop in travelers as the weather gets cold. A vibrant nightlife and a famous city shopping center add to the myriad of daily activities of the cold season.

What is the temperature in October in Dublin?

The average high-temperature, in October, in Dublin, is 14°C (57.2°F), while the average low-temperature is 8.8°C (47.8°F).

How many days does it rain in October in Dublin?

In Dublin, Ireland, during October, the rain falls for 12 days and regularly aggregates up to 76mm (3") of precipitation.

What is the rainiest month in Dublin?

The month with the most rainfall in Dublin, Ireland, is October when the rain falls for 12 days and typically aggregates up to 76mm (3") of precipitation.

What is the water temperature in October in Dublin?

In Dublin, in October, the average water temperature is 14.1°C (57.4°F). Swimming in 14.1°C (57.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in October in Dublin?

In Dublin, Ireland, the average length of the day in October is 10.5h.

How many hours of sunshine does Dublin have in October?

The average sunshine in October is 3.3h.

What is the UV index intensity in October in Dublin?

In Dublin, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in October - Dublin, Ireland
  • Average high temperature in October: 14°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 October: 8.8°C

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

Average rainfall in October - Dublin, Ireland
  • Average rainfall in October: 76mm

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

Average rainfall days in October - Dublin, Ireland
  • Average rainfall days in October: 12 days

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

Average sea temperature in October - Dublin, Ireland
  • Average sea temperature in October: 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 October / Average sunshine in October - Dublin, Ireland
  • Average daylight in October: 10.5h

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).

  • Average sunshine in October: 3.3h

The month with most sunshine is May (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in October - Dublin, Ireland
  • Average UV index in October: 2

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).