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Arklow in October 2026: weather, temperatures and activities

Do you want to visit Arklow in October 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether October is a good month to travel to Arklow, Ireland.

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Is it worth visiting Arklow in October?

Check your ideal travel criteria and see if the month of October suits your plans to go to Arklow.
What matters most?
Arklow in October 2026: weather, temperatures and activities

Page summary

Arklow in October in summary
Fair weather
Min 11°C Max 14°C 80 mm 5 day(s) 87% 54% 15°C 6.5 h/day
Possible activities in October
Beach and swimmingNature and landscapesBoat trip and cruise
Practical guidelines
Moderate crowds 06:51 17:29
Hourly weather

Average weather in Arklow in October 2026

Fair weather

The weather in Arklow in October 2026 is based on statistical data from previous years in October. This allows you to forecast the weather in October 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Arklow in October

Temperatures, precipitation and monthly trends help to better understand the climate in Arklow in October.

Temperatures and rain in Arklow in October

Average daily weather

Temperatures and rain day by day in October.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of October is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Arklow in October

Seasonal normals

Seasonal normals of Arklow in October

Check the seasonal normals in Arklow in October and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
October
Weather data September October November
Outside temperature
Average temperature 13.8°C 12.1°C 9.3°C
Maximum temperature 15.6°C 13.5°C 10.6°C
Minimum temperature 12.1°C 10.7°C 8.1°C
Record maximum temperature 20.0°C
(2013)
18.0°C
(2011)
16.0°C
(2015)
Record low temperature 3.0°C
(2010)
4.0°C
(2010)
-1.0°C
(2010)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 4 day(s)
(13%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 15.3°C 14.4°C 13.1°C
Sea temperature (minimum) 14.6°C 13.3°C 12.2°C
Sea temperature (maximum) 15.9°C 15.4°C 14.1°C
Wind
Wind speed 23 km/h 27 km/h 30 km/h
Wind temperature 10.3°C 8.3°C 4.9°C
Precipitation (rain)
Precipitation 56.6 mm 80.3 mm 78.2 mm
Number of days with precipitation 13 day(s)
(43%)
17 day(s)
(55%)
18 day(s)
(60%)
Number of days with significant precipitation (greater than 5 mm) 3 day(s)
(11%)
5 day(s)
(16%)
5 day(s)
(18%)
Record precipitation in one day 33.1 mm
(2010)
43.6 mm
(2011)
29.4 mm
(2012)
Other weather data
Humidity 89% 87% 86%
Visibility 9.3 km 9.3 km 9.3 km
Cloud cover 48% 54% 56%
UV index 4 3 3
Daily sunshine 11h 6h 6h
Sunrise and sunset
Sunrise time 05h59 06h51 07h48
Sunset time 18h39 17h29 16h30
Day length 12h40 10h38 8h42
Our opinion on the climate in October
The review of Where And When favourable weather fair weather adverse weather
Activities and events

What to do in Arklow in October?

Possible activities in October
Beach and swimmingNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Arklow in October last?

Find the observed weather calendar in Arklow in October 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Partly Cloudy
15°C17°C1.0 mm
2
Patchy rain nearby
14°C16°C5.9 mm
3
Light drizzle
11°C17°C1.1 mm
4
Patchy rain nearby
9°C13°C1.0 mm
5
Overcast
11°C14°C0.0 mm
6
Partly Cloudy
11°C17°C0.0 mm
7
Overcast
13°C15°C0.2 mm
8
Clear/Sunny
8°C14°C0.0 mm
9
Clear/Sunny
9°C15°C0.0 mm
10
Clear/Sunny
10°C15°C0.0 mm
11
Partly Cloudy
9°C13°C0.0 mm
12
Overcast
10°C14°C0.0 mm
13
Clear/Sunny
11°C15°C0.0 mm
14
Partly Cloudy
13°C15°C0.0 mm
15
Clear/Sunny
11°C14°C0.0 mm
16
Partly Cloudy
10°C13°C0.0 mm
17
Clear/Sunny
10°C14°C0.0 mm
18
Patchy rain nearby
13°C14°C2.3 mm
19
Clear/Sunny
14°C15°C8.0 mm
20
Light rain shower
13°C14°C2.2 mm
21
Partly Cloudy
12°C13°C0.1 mm
22
Clear/Sunny
7°C12°C0.1 mm
23
Partly Cloudy
8°C11°C0.6 mm
24
Patchy rain nearby
8°C11°C0.7 mm
25
Patchy rain nearby
9°C10°C0.2 mm
26
Patchy rain nearby
7°C12°C0.2 mm
27
Patchy rain nearby
10°C12°C0.8 mm
28
Clear/Sunny
10°C12°C0.0 mm
29
Clear/Sunny
7°C11°C0.0 mm
30
Light rain
7°C13°C4.5 mm
31
Patchy rain nearby
12°C13°C4.8 mm
Nearby

Where to go near Arklow in October?

Compare cities and destinations near Arklow in October to find another travel stop, a nearby alternative or a logical continuation of your stay in Arklow.

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Every month

Best time to visit Arklow month by month

Compare the weather in Arklow across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Arklow in October: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Arklow in October, which ranks this month 6th out of 12. The choice of region will make a real difference.

Expect an average of 14°C during the day and 11°C at night, with about 80 mm of precipitation spread over 5 rainy days.

The sea is only 14°C on average in October. Swimming is still possible, but it will be cool.

Expect about 6.5 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Beach and swimming, Nature and landscapes and Boat trip and cruise.

Visitor numbers are moderate: this month is in Moderate crowds, with an index of 41/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Arklow are: July, August and September. Compare them before finalizing your departure.
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