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, found in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, found 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.
  • The 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).

  • The 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).

  • The 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).

  • The 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).

  • The 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).

  • The average daylight in October: 11h

The month with the longest days is June (Average daylight: 17h).
Months with shortest days are January and December (Average daylight: 8h).

  • The 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).

  • The 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).