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 heavy rainfall in October, with over 20 rainy days and an average total precipitation 119 mm.
Temperatures
Rain 🌧️
6
Dry days
25
Rainy days
0
Snow days
12°/7°
Temperatures
20 km/h
Avg max wind
86 %
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 119 mm is expected in Ulster during October, occurring over more than 25 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.
October rainfall patterns in Ulster
Explore the daily rainfall trends and prepare for Ulsters October weather 💧
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