October weather forecast
Galway, Ireland

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Weather in October

October progresses further into autumn, noting a distinct shift in weather conditions in Galway. As daylight continues to wane and rainfall rises, the city moves towards the cooler side of autumn. The decline in sea temperatures accompanies the falling leaves, painting a picturesque autumnal landscape. The October weather in Galway offers a serene and contemplative season for its residents and visitors.

Temperature

Galway's weather in October involves a mild decrease in the average high-temperature, moving down slightly from September's 17.3°C (63.1°F) to a still refreshing 14.1°C (57.4°F). Galway witnesses a consistent average low-temperature of 7.9°C (46.2°F) throughout October.

Rainfall

October is the month with the most rainfall in Galway. Rain falls for 21 days and accumulates 130mm (5.12") of precipitation.

Sea temperature

In October, the average sea temperature in Galway is 13.6°C (56.5°F).
Note: Beware of 13.6°C (56.5°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.

Daylight

In Galway, the average length of the day in October is 10h and 34min.
On the first day of the month, sunrise is at 7:38 am and sunset at 7:12 pm IST. On the last day of October, in Galway, sunrise is at 7:33 am and sunset at 5:05 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 in Galway is 3h.

UV index

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, a daily maximum UV index of 2 leads to the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are the temperatures in Galway in October?

Galway in October has an average high-temperature of 14.1°C (57.4°F) and an average low-temperature of 7.9°C (46.2°F).

What is the rainiest month in Galway?

October is the month with the most rainfall in Galway. Rain falls for 21 days and accumulates 130mm (5.12") of precipitation.

How much does it rain in Galway in October?

In Galway, in October, during 21 rainfall days, 130mm (5.12") of precipitation is typically accumulated.

What is the sea water temperature in October in Galway?

In October, the average sea temperature in Galway, Ireland, is 13.6°C (56.5°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Galway have in October?

In Galway, the average day length in October is 10h and 34min.

When is the sunrise / sunset in October in Galway?

On the first day of October in Galway, sunrise is at 7:38 am and sunset at 7:12 pm IST. On the last day of the month, sunrise is at 7:33 am and sunset at 5:05 pm GMT.

When does Daylight Saving Time (DST) start in October in Galway?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Galway, Ireland, 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 Galway?

In October, the average sunshine duration is 3h.

How high is the UV index in October in Galway?

In October, the average daily maximum UV index in Galway is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
Galway, Ireland

Average temperature in October - Galway, Ireland
  • Average high temperature in October: 14.1°C

The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in October: 7.9°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (3.5°C).

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Average rainfall in October
Galway, Ireland

Average rainfall in October - Galway, Ireland
  • Average rainfall in October: 130mm

The wettest month (with the highest rainfall) is October (130mm).
The driest month (with the least rainfall) is April (61mm).

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Average rainfall days in October
Galway, Ireland

Average rainfall days in October - Galway, Ireland
  • Average rainfall days in October: 21 days

The months with the highest number of rainy days are January and December (22 days).
The months with the least rainy days are April and July (16 days).

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Average sea temperature in October
Galway, Ireland

Average sea temperature in October - Galway, Ireland
  • Average sea temperature in October: 13.6°C

The best month for swimming (with the highest average sea temperature) is August (15.4°C).
The coldest month (with the lowest average sea temperature) is March (9.5°C).

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Average daylight in October /
Average sunshine in October
Galway, Ireland

Average daylight in October / Average sunshine in October - Galway, 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

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

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Average UV index in October
Galway, Ireland

Average UV index in October - Galway, 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).

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Galway, Ireland

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