Conwy
December
Weather in Conwy for December 2025
Your guide to Conwy weather in December - trends and predictions
In general, the average temperature in Conwy at the beginning of December is 10.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.9 °C by the end of December.
Conwy in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 141.3 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
9°/6°
Temperatures
33 km/h
Avg max wind
84 %
Avg humidity
Conwy Weather December
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2 9° | 3  8° | 4  10° | 5 12° | 6 12° | 7 11° |
| 8 7° | 9  7° | 10  6° | 11  5° | 12 6° | 13 6° | 14 7° |
| 15 11° | 16 10° | 17 12° | 18 13° | 19 7° | 20 9° | 21 11° |
| 22 6° | 23 9° | 24 12° | 25 10° | 26 10° | 27 10° | 28 10° |
| 29 9° | 30 9° | 31  11° |
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Temperatures trend during December in Conwy
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate or heavy rain shower | 12° /8° | 5.6 mm | 3 | |
| 2 Dec. | Moderate rain at times | 9° /5° | 11.3 mm | 2 | |
| 3 Dec. | Patchy rain possible | 8° /3° | 0.9 mm | 2 | |
| 4 Dec. | Heavy rain at times | 10° /4° | 3.6 mm | 3 | |
| 5 Dec. | Moderate or heavy rain shower | 12° /8° | 17.6 mm | 3 | |
| 6 Dec. | Patchy rain possible | 12° /6° | 8.6 mm | 3 | |
| 7 Dec. | Moderate or heavy rain shower | 11° /6° | 16.5 mm | 3 | |
| 8 Dec. | Moderate rain at times | 7° /6° | 3.9 mm | 2 | |
| 9 Dec. | Overcast | 7° /5° | 0.2 mm | 2 | |
| 10 Dec. | Cloudy | 6° /4° | 0 mm | 2 | |
| 11 Dec. | Sunny | 5° /3° | 0 mm | 3 | |
| 12 Dec. | Patchy rain possible | 6° /3° | 0.2 mm | 2 | |
| 13 Dec. | Patchy rain possible | 6° /5° | 0.8 mm | 2 | |
| 14 Dec. | Moderate rain at times | 7° /5° | 4.8 mm | 2 | |
| 15 Dec. | Patchy rain possible | 11° /8° | 1.2 mm | 3 | |
| 16 Dec. | Patchy rain possible | 10° /8° | 0.6 mm | 3 | |
| 17 Dec. | Moderate or heavy rain shower | 12° /7° | 9.3 mm | 3 | |
| 18 Dec. | Moderate or heavy rain shower | 13° /7° | 16 mm | 3 | |
| 19 Dec. | Moderate or heavy rain shower | 7° /5° | 17.5 mm | 2 | |
| 20 Dec. | Heavy rain at times | 9° /5° | 1.5 mm | 2 | |
| 21 Dec. | Patchy rain possible | 11° /6° | 3.2 mm | 3 | |
| 22 Dec. | Heavy rain at times | 6° /4° | 8.6 mm | 2 | |
| 23 Dec. | Patchy rain possible | 9° /5° | 3.4 mm | 2 | |
| 24 Dec. | Overcast | 12° /8° | 0.2 mm | 3 | |
| 25 Dec. | Overcast | 10° /8° | 0 mm | 3 | |
| 26 Dec. | Overcast | 10° /7° | 0 mm | 3 | |
| 27 Dec. | Overcast | 10° /7° | 0 mm | 3 | |
| 28 Dec. | Overcast | 10° /7° | 0 mm | 3 | |
| 29 Dec. | Overcast | 9° /6° | 0 mm | 2 | |
| 30 Dec. | Overcast | 9° /7° | 0 mm | 2 | |
| 31 Dec. | Light rain | 11° /8° | 5.8 mm | 3 | |
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Important Notice
Our weather forecast for Conwy in December 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 Conwy forecast closer to your planned date for the most up-to-date weather information.
Conwy in December - FAQ
What are the expected maximum and minimum temperatures in Conwy during December?
During December, expect a variety of temperatures with highs around 9° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Conwy during December?
Significant rainfall exceeding 141.3 mm is expected in Conwy during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Conwy in December 2025?
Conwy typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Conwy during December?
The average wind speed in Conwy during December is 33 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Conwy
Explore the daily rainfall trends and prepare for Conwys December weather 💧
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