Gwynedd (Barmouth)
January
Weather in Gwynedd for January 2026
Your guide to Gwynedd weather in January - trends and predictions
Yellow Ice Warning - See hour by hour.
With an average of 4 snowy days, Gwynedd usually enjoys a light touch of snow in January.
According to Gwynedd snow forecast for January 2026, no snow is expected until the end of the month.Until now, January 2026 in Gwynedd has been nearly identical to the historical average, with a temperature of 4.5 °C (showing only a slight deviation of -0.2 °C).
Expect cooler weather in the next days in Gwynedd with the forecast suggesting a temperature of 6.4 °C, lower than the historical average.
In general, the average temperature in Gwynedd at the beginning of January is 3.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6.9 °C by the end of January.
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15
Dry days
12
Rainy days
4
Snow days
5°/0°
Temperatures
19 km/h
Avg max wind
88 %
Avg humidity
Gwynedd Weather January
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Temperatures trend during January in Gwynedd
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January weather in Gwynedd day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Moderate or heavy rain shower | 7° /0° | 17.4 mm | 0.2 cm | |
| 2 Jan. |  Sunny | 3° /-1° | 0.9 mm | 0.4 cm | |
| 3 Jan. |  Patchy rain possible | 2° /-2° | 0.4 mm | 0.2 cm | |
| 4 Jan. |  Light freezing rain | 1° /-2° | 4.4 mm | 2.6 cm | |
| 5 Jan. |  Moderate or heavy snow showers | 3° /-3° | 11.1 mm | 4.8 cm | |
| 6 Jan. | Moderate or heavy snow showers | 3° /-2° | 10.5 mm | 1.6 cm | |
| 7 Jan. |  Patchy moderate snow | 3° /0° | 4.8 mm | 1.5 cm | |
| 8 Jan. |  Overcast | 2° /-3° | 7.4 mm | 5.1 cm | |
| 9 Jan. | Overcast | 2° /-3° | 5.2 mm | 3.8 cm | |
| 10 Jan. | Overcast | 1° /-3° | 0.1 mm | 0 cm | |
| 11 Jan. | Light freezing rain | 6° /-1° | 3.7 mm | 0 cm | |
| 12 Jan. | Overcast | 6° /2° | 3.2 mm | 0 cm | |
| 13 Jan. | Patchy rain possible | 6° /1° | 3.7 mm | 0 cm | |
| 14 Jan. |  Heavy rain at times | 6° /2° | 3.5 mm | 0 cm | |
| 15 Jan. | Overcast | 7° /2° | 1.1 mm | 0 cm | |
| 16 Jan. | Sunny | 7° /2° | 0.2 mm | 0 cm | |
| 17 Jan. |  Partly cloudy | 6° /2° | 0 mm | 0 cm | |
| 18 Jan. | Sunny | 7° /0° | 0 mm | 0 cm | |
| 19 Jan. |  Cloudy | 5° /0° | 0.4 mm | 0 cm | |
| 20 Jan. | Patchy rain possible | 7° /0° | 0.7 mm | 0 cm | |
| 21 Jan. | Heavy rain at times | 6° /2° | 3.5 mm | 0 cm | |
| 22 Jan. | Patchy rain possible | 6° /1° | 5.3 mm | 0 cm | |
| 23 Jan. | Moderate or heavy rain shower | 5° /2° | 11.3 mm | 0 cm | |
| 24 Jan. | Moderate or heavy rain shower | 7° /2° | 15.8 mm | 0 cm | |
| 25 Jan. | Heavy rain at times | 5° /1° | 2.7 mm | 0 cm | |
| 26 Jan. | Moderate or heavy rain shower | 5° /1° | 14.3 mm | 0 cm | |
| 27 Jan. | Moderate or heavy rain shower | 7° /1° | 13.7 mm | 0 cm | |
| 28 Jan. | Patchy rain possible | 8° /3° | 0.1 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 7° /3° | 0.3 mm | 0 cm | |
| 30 Jan. | Patchy rain possible | 8° /6° | 2.8 mm | 0 cm | |
| 31 Jan. | Patchy rain possible | 8° /5° | 1 mm | 0 cm | |
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Important Notice
Our weather forecast for Gwynedd in January 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.
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Gwynedd in January - FAQ
What are the expected maximum and minimum temperatures in Gwynedd during January?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Gwynedd during January?
Significant rainfall exceeding 206.6 mm is expected in Gwynedd during January, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Gwynedd in January 2026?
Gwynedd experiences an average snowfall of 17.94 cm during January, occurring over 4 days.
What are the typical wind conditions in Gwynedd during January?
The average wind speed in Gwynedd during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Gwynedd snow forecast January 2026
Track daily snowfall levels and discover Gwynedd’s snowy potential this January ❄️
On average, Gwynedd sees 4 snowy days during January, with approximately 17.9 cm of total snowfall.
January rainfall patterns in Gwynedd
Explore the daily rainfall trends and prepare for Gwynedds January weather 💧
Typically, Gwynedd has 12 rainy days in January with a total of 206.6 mm of rainfall.
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