The illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
Weather in October
In October, autumn flaunts its full form in Dublin, modulating the weather into a cooler existence. The curtain of rain raises higher to 76mm (2.99"), the highest rainfall recorded across the months. As the browns and reds of fall pervade the city's landscapes, the coolness seeping into the air becomes more apparent. Extended nighttime and lower daylight hours amplify the sense of autumn's approach. Dublin retains its beauty, illuminated by seasonal hues and the crisp brilliance of autumn sunlight.
Note: Swimming at temperatures less than 10°C (50°F) in 14.1°C (57.4°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
On the first day of October, sunrise is at 7:27 am and sunset at 7:01 pm IST. On the last day of the month, sunrise is at 7:22 am and sunset at 4:54 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time lasts until Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to IST.
Note: The UV index of 2 during October translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
[Resources]Temperature
In October, the meteorological conditions in Dublin change slightly, with the average high-temperature moving from a comfortable 17.3°C (63.1°F) in September to a still refreshing 14°C (57.2°F). During October, Dublin sees a mean low-temperature of 8.8°C (47.8°F).Rainfall
The month with the most rainfall in Dublin is October, when the rain falls for 12 days and typically aggregates up to 76mm (2.99") of precipitation.Sea temperature
In Dublin, the average seawater temperature in October is 14.1°C (57.4°F).Note: Swimming at temperatures less than 10°C (50°F) in 14.1°C (57.4°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
The average length of the day in October is 10h and 34min.On the first day of October, sunrise is at 7:27 am and sunset at 7:01 pm IST. On the last day of the month, sunrise is at 7:22 am and sunset at 4:54 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time lasts until Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to IST.
Sunshine
In October, the average sunshine is 3.3h.UV index
In October, the average daily maximum UV index in Dublin is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during October translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Dublin in October?
In October, in Dublin, the average high-temperature is 14°C (57.2°F), and the average low-temperature is 8.8°C (47.8°F).
What is the rainiest month in Dublin?
The month with the most rainfall is October, when the rain falls for 12 days and typically aggregates up to 76mm (2.99") of precipitation.
How many days does it rain in October in Dublin?
In October, the rain falls for 12 days. Throughout October, 76mm (2.99") of precipitation is accumulated.
How cold is the water in October in Dublin?
In Dublin, the average seawater temperature in October 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.
How many hours of daylight does Dublin have in October?
In Dublin, Ireland, the average day length in October is 10h and 34min.
When are sunrise and sunset in October in Dublin?
In October, on the first day of the month, sunrise is at 7:27 am and sunset at 7:01 pm IST. On the last day of the month, in Dublin, sunrise is at 7:22 am and sunset at 4:54 pm GMT.
When does Daylight Saving Time (DST) start in October in Dublin?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Dublin, and the time zone changes from IST to GMT. DST ends on Sunday, 30. March 2025, at 1:00 am.
How long on average sun shines in October in Dublin?
In Dublin, Ireland, the average sunshine duration in October is 3.3h.
How high is the UV index in October in Dublin?
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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).
The 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 least rainfall) is February (46.1mm).
Average rainfall days in October
Dublin, Ireland
- Average rainfall days in October: 12 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 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: 10h and 4min
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 October: 3h and 2min
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).
Average UV index in October
Dublin, Ireland
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 0).
Dublin, Ireland
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