Derry Weather in October
In Derry, October brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
Rainfall in Derry in October
Analyzing past climate data, one can expect approximately 23 days of rain, averaging 97 mm (3.8 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Derry in October
In October, Derry sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Derry in October
The month experiences a moderate amount of sunlight, with 103 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, May, July, August, September and October typically offer the best circumstances for Derry.
Derry Temperature in October
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Max Temperature
Chance of Rain
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Derry Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Derry - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Derry typically stay consistent throughout October, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Derry in October
Browse day-by-day weather records for Derry spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Derry historical weather extremes in October
Our historical data for Derry spans 1976 to 2025, revealing these weather extremes.
- The warmest day in October was on October 8, 1995, with a maximum of 22°C (72°F).
- Derry experienced its chilliest October day on October 28, 2008, reaching only 5°C (41°F).
- The lowest overnight temperature recorded in October was -3°C (27°F) (October 18, 1993).
- Peak precipitation in October occurred on October 21, 2002, when 32 mm (1.3 in) of precipitation was measured.
Best Places in Ireland in October
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Derry in October
The weather can swing between comfortable and chilly in October, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Derry in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Derry 3-Day Forecast
See the full Derry climate overview or explore weather in Ireland.
Popular in October
Where to go in October - average daytime high across popular destinations.
Westport
14°C (57°F) Doolin15°C (59°F) Kilkenny
14°C (57°F) Cork
15°C (59°F) Kenmare14°C (57°F) Killarney14°C (57°F) Galway15°C (59°F) Dublin15°C (59°F) 
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