Derry
December
Weather in Derry for December 2025
Your guide to Derry weather in December - trends and predictions
In general, the average temperature in Derry at the beginning of December is 7.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.9 °C by the end of December.
Derry experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 185.4 mm.
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Temperatures
Rain 🌧️
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5
Dry days
26
Rainy days
0
Snow days
8°/4°
Temperatures
29 km/h
Avg max wind
86 %
Avg humidity
Derry in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  5° | 3 5° | 4 7° | 5  7° | 6  8° | 7  10° |
| 8 9° | 9 7° | 10  7° | 11 5° | 12 5° | 13  5° | 14 9° |
| 15 11° | 16 11° | 17 13° | 18 12° | 19 7° | 20 9° | 21 11° |
| 22 8° | 23 11° | 24 13° | 25 10° | 26 9° | 27 10° | 28 8° |
| 29 8° | 30  9° | 31 8° |
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Temperatures trend during December in Derry
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Fog | 8° /3° | 1.1 mm | 0 cm | |
| 2 Dec. | Patchy rain possible | 5° /-1° | 0.5 mm | 0 cm | |
| 3 Dec. | Fog | 5° /-1° | 2.9 mm | 0 cm | |
| 4 Dec. | Light rain shower | 7° /1° | 1.4 mm | 0 cm | |
| 5 Dec. | Partly cloudy | 7° /2° | 3.2 mm | 0 cm | |
| 6 Dec. | Light rain | 8° /1° | 17.1 mm | 0 cm | |
| 7 Dec. | Moderate rain | 10° /5° | 10.6 mm | 0 cm | |
| 8 Dec. | Light rain shower | 9° /4° | 4.9 mm | 0 cm | |
| 9 Dec. | Light rain shower | 7° /3° | 7.7 mm | 0 cm | |
| 10 Dec. | Moderate or heavy rain with thunder | 7° /1° | 5.1 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 5° /1° | 4.7 mm | 0 cm | |
| 12 Dec. | Moderate rain | 5° /2° | 11.9 mm | 0 cm | |
| 13 Dec. | Overcast | 5° /1° | 0.4 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 9° /2° | 1.9 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 11° /8° | 0.1 mm | 0 cm | |
| 16 Dec. | Patchy rain possible | 11° /8° | 0.2 mm | 0 cm | |
| 17 Dec. | Light drizzle | 13° /8° | 3.2 mm | 0 cm | |
| 18 Dec. | Light drizzle | 12° /5° | 4.9 mm | 0 cm | |
| 19 Dec. | Light drizzle | 7° /2° | 2.7 mm | 0 cm | |
| 20 Dec. | Light drizzle | 9° /6° | 4.9 mm | 0 cm | |
| 21 Dec. | Light rain shower | 11° /5° | 6 mm | 0.4 cm | |
| 22 Dec. | Patchy rain possible | 8° /5° | 4.7 mm | 0.1 cm | |
| 23 Dec. | Moderate rain | 11° /6° | 7.8 mm | 0 cm | |
| 24 Dec. | Light rain shower | 13° /9° | 2.5 mm | 0 cm | |
| 25 Dec. | Light rain shower | 10° /6° | 4.8 mm | 0 cm | |
| 26 Dec. | Patchy rain possible | 9° /4° | 2.7 mm | 0 cm | |
| 27 Dec. | Light rain shower | 10° /5° | 11 mm | 0 cm | |
| 28 Dec. | Light rain shower | 8° /5° | 8.7 mm | 0 cm | |
| 29 Dec. | Moderate or heavy rain with thunder | 8° /3° | 2.4 mm | 0 cm | |
| 30 Dec. | Light sleet | 9° /5° | 7.6 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 8° /3° | 4.5 mm | 0 cm | |
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Important Notice
Our weather forecast for Derry 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 Derry forecast closer to your planned date for the most up-to-date weather information.
Derry in December - FAQ
What are the expected maximum and minimum temperatures in Derry during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Derry during December?
Significant rainfall exceeding 185.4 mm is expected in Derry during December, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Derry in December 2025?
Derry typically sees 0.03 cm of snowfall during December.
What are the typical wind conditions in Derry during December?
The average wind speed in Derry during December is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
Derry snow forecast December 2025
Track daily snowfall levels and discover Derry’s snowy potential this December ❄️
December rainfall patterns in Derry
Explore the daily rainfall trends and prepare for Derrys December weather 💧
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