Ulster (Donegal)
October
Weather in Ulster for October 2025
Your guide to Ulster weather in October - trends and predictions
In general, the average temperature in Ulster at the beginning of October is 14.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 11.6 °C by the end of October.
Ulster experiences an exceptionally high level of rainfall in October, with more than 20 rainy days on average.
Is October a good time to visit Ulster? check out the best time to travel to Ulster page.
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8
Dry days
23
Rainy days
0
Snow days
12°/7°
Temperatures
20 km/h
Avg max wind
87 %
Avg humidity
Ulster in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2 14° | 3 14° | 4 13° | 5 15° | ||
| 6 15° | 7 16° | 8  17° | 9 15° | 10 13° | 11 11° | 12  10° |
| 13 9° | 14 11° | 15 11° | 16  13° | 17  12° | 18 13° | 19 12° |
| 20 13° | 21 10° | 22 11° | 23 12° | 24 13° | 25 10° | 26 11° |
| 27 12° | 28 12° | 29 12° | 30 12° | 31 12° |
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Temperatures trend during October in Ulster
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Light rain shower | 15° /7° | 1.2 mm | 4 | |
| 2 Oct. | Light rain shower | 14° /6° | 0.4 mm | 3 | |
| 3 Oct. | Light rain shower | 14° /7° | 1.7 mm | 3 | |
| 4 Oct. | Light rain shower | 13° /11° | 7.2 mm | 3 | |
| 5 Oct. | Light rain shower | 15° /11° | 6.6 mm | 4 | |
| 6 Oct. | Light rain shower | 15° /10° | 8.7 mm | 4 | |
| 7 Oct. | Light rain shower | 16° /11° | 2.3 mm | 4 | |
| 8 Oct. | Fog | 17° /9° | 0.1 mm | 4 | |
| 9 Oct. | Fog | 15° /9° | 0.5 mm | 4 | |
| 10 Oct. | Light rain shower | 13° /7° | 3.2 mm | 4 | |
| 11 Oct. | Patchy rain possible | 11° /5° | 0.6 mm | 3 | |
| 12 Oct. | Sunny | 10° /3° | 4.2 mm | 3 | |
| 13 Oct. | Patchy rain possible | 9° /3° | 2 mm | 3 | |
| 14 Oct. | Light rain shower | 11° /5° | 1.9 mm | 3 | |
| 15 Oct. | Patchy rain possible | 11° /3° | 0.4 mm | 3 | |
| 16 Oct. | Overcast | 13° /7° | 2.4 mm | 4 | |
| 17 Oct. | Light drizzle | 12° /5° | 2.7 mm | 3 | |
| 18 Oct. | Light rain | 13° /8° | 19 mm | 3 | |
| 19 Oct. | Light rain | 12° /8° | 3 mm | 3 | |
| 20 Oct. | Light rain shower | 13° /7° | 6.1 mm | 3 | |
| 21 Oct. | Light rain shower | 10° /6° | 4.1 mm | 3 | |
| 22 Oct. | Patchy rain possible | 11° /5° | 1.1 mm | 3 | |
| 23 Oct. | Light rain shower | 12° /5° | 3.9 mm | 3 | |
| 24 Oct. | Patchy rain possible | 13° /5° | 3.2 mm | 3 | |
| 25 Oct. | Light drizzle | 10° /5° | 4.2 mm | 3 | |
| 26 Oct. | Light rain | 11° /5° | 7.9 mm | 3 | |
| 27 Oct. | Fog | 12° /4° | 9.5 mm | 3 | |
| 28 Oct. | Light drizzle | 12° /10° | 2.3 mm | 3 | |
| 29 Oct. | Light rain shower | 12° /8° | 2.4 mm | 3 | |
| 30 Oct. | Patchy rain possible | 12° /7° | 0.2 mm | 3 | |
| 31 Oct. | Light rain | 12° /7° | 6 mm | 3 | |
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Important Notice
Our weather forecast for Ulster in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ulster forecast closer to your planned date for the most up-to-date weather information.
Ulster in October - FAQ
What are the expected maximum and minimum temperatures in Ulster during October?
During October, expect a variety of temperatures with highs around 12° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ulster during October?
Significant rainfall exceeding 130.6 mm is expected in Ulster during October, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ulster during October?
The average wind speed in Ulster during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ulster in October?
As you prepare for your trip to Ulster in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ulster, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
October rainfall patterns in Ulster
Explore the daily rainfall trends and prepare for Ulsters October weather 💧
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