Gwynedd (Barmouth)
October
Weather in Gwynedd for October 2025
Your guide to Gwynedd weather in October - trends and predictions
In general, the average temperature in Gwynedd at the beginning of October is 13.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.9 °C by the end of October.
Gwynedd experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 155.9 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
24
Rainy days
0
Snow days
12°/7°
Temperatures
18 km/h
Avg max wind
88 %
Avg humidity
Gwynedd Weather October
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  13° | 3  13° | 4 13° | 5 14° | ||
| 6 13° | 7  14° | 8 14° | 9 11° | 10 8° | 11 8° | 12 9° |
| 13  8° | 14 13° | 15 12° | 16 15° | 17 13° | 18 13° | 19 11° |
| 20 13° | 21 11° | 22 12° | 23 12° | 24 14° | 25 11° | 26 10° |
| 27 11° | 28 12° | 29 13° | 30 13° | 31 13° |
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Temperatures trend during October in Gwynedd
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. | Moderate rain at times | 12° /8° | 3.9 mm | 3 | |
| 2 Oct. | Overcast | 13° /7° | 0 mm | 3 | |
| 3 Oct. | Sunny | 13° /4° | 0 mm | 4 | |
| 4 Oct. | Overcast | 13° /6° | 0 mm | 3 | |
| 5 Oct. | Overcast | 14° /7° | 0.4 mm | 3 | |
| 6 Oct. | Moderate or heavy rain shower | 13° /8° | 5.3 mm | 3 | |
| 7 Oct. | Patchy rain possible | 14° /9° | 5.3 mm | 3 | |
| 8 Oct. | Moderate or heavy rain shower | 14° /9° | 4 mm | 3 | |
| 9 Oct. | Patchy rain possible | 11° /7° | 0.7 mm | 3 | |
| 10 Oct. | Patchy rain possible | 8° /2° | 2.1 mm | 2 | |
| 11 Oct. | Overcast | 8° /2° | 0 mm | 2 | |
| 12 Oct. | Moderate rain at times | 9° /3° | 2.3 mm | 2 | |
| 13 Oct. | Heavy rain at times | 8° /3° | 5 mm | 2 | |
| 14 Oct. | Overcast | 13° /4° | 2.8 mm | 3 | |
| 15 Oct. | Overcast | 12° /7° | 3.2 mm | 3 | |
| 16 Oct. | Moderate or heavy rain shower | 15° /12° | 35.2 mm | 4 | |
| 17 Oct. | Moderate rain at times | 13° /9° | 3.7 mm | 3 | |
| 18 Oct. | Moderate rain at times | 13° /9° | 8.4 mm | 3 | |
| 19 Oct. | Moderate rain at times | 11° /7° | 4.9 mm | 3 | |
| 20 Oct. | Moderate or heavy rain shower | 13° /9° | 11.6 mm | 3 | |
| 21 Oct. | Moderate rain at times | 11° /9° | 13.3 mm | 3 | |
| 22 Oct. | Overcast | 12° /8° | 5.7 mm | 3 | |
| 23 Oct. | Patchy rain possible | 12° /7° | 1.1 mm | 3 | |
| 24 Oct. | Overcast | 14° /9° | 0 mm | 3 | |
| 25 Oct. | Patchy rain possible | 11° /5° | 2.7 mm | 3 | |
| 26 Oct. | Patchy rain possible | 10° /5° | 5.2 mm | 3 | |
| 27 Oct. | Heavy rain at times | 11° /6° | 17.1 mm | 3 | |
| 28 Oct. | Heavy rain at times | 12° /10° | 10.3 mm | 3 | |
| 29 Oct. | Patchy rain possible | 13° /8° | 1.7 mm | 3 | |
| 30 Oct. | Sunny | 13° /7° | 0 mm | 4 | |
| 31 Oct. | Sunny | 13° /8° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Gwynedd 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 Gwynedd forecast closer to your planned date for the most up-to-date weather information.
Gwynedd in October - FAQ
What are the expected maximum and minimum temperatures in Gwynedd 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 Gwynedd during October?
Significant rainfall exceeding 155.9 mm is expected in Gwynedd during October, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gwynedd during October?
The average wind speed in Gwynedd during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Gwynedd
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