Roscommon
December
Weather in Roscommon for December 2026
Your guide to Roscommon weather in December - trends and predictions
In general, the average temperature in Roscommon at the beginning of December is 9.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 7.7 °C by the end of December.
The climate of Roscommon in December is notably wet, with an average of 12 rainy days, and a total of 79.4 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
12
Rainy days
0
Snow days
9°/4°
Temperatures
26 km/h
Avg max wind
86 %
Avg humidity
Roscommon Weather December
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Temperatures trend during December in Roscommon
See the weather trend as well as the moving average line
December weather in Roscommon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 12° /4° | 3.9 mm | 3 | |
| 2 Dec. |  Overcast | 7° /2° | 1 mm | 2 | |
| 3 Dec. | Patchy rain possible | 7° /1° | 1 mm | 2 | |
| 4 Dec. |  Heavy rain at times | 8° /2° | 4.1 mm | 3 | |
| 5 Dec. |  Moderate or heavy rain shower | 11° /3° | 11.2 mm | 3 | |
| 6 Dec. | Moderate or heavy rain shower | 11° /5° | 9.4 mm | 3 | |
| 7 Dec. | Patchy rain possible | 10° /5° | 13.7 mm | 3 | |
| 8 Dec. | Overcast | 8° /4° | 1.5 mm | 2 | |
| 9 Dec. |  Sunny | 9° /4° | 7.8 mm | 3 | |
| 10 Dec. | Sunny | 7° /3° | 0.1 mm | 2 | |
| 11 Dec. | Sunny | 7° /2° | 3.2 mm | 3 | |
| 12 Dec. | Overcast | 5° /1° | 0.1 mm | 2 | |
| 13 Dec. | Overcast | 7° /2° | 0.8 mm | 2 | |
| 14 Dec. | Patchy rain possible | 11° /4° | 8.3 mm | 3 | |
| 15 Dec. | Overcast | 9° /6° | 0 mm | 3 | |
| 16 Dec. | Overcast | 8° /4° | 0 mm | 3 | |
| 17 Dec. | Moderate rain at times | 12° /5° | 3.6 mm | 3 | |
| 18 Dec. | Patchy rain possible | 11° /3° | 4.2 mm | 3 | |
| 19 Dec. | Overcast | 7° /3° | 0.8 mm | 2 | |
| 20 Dec. | Heavy rain at times | 8° /3° | 1.5 mm | 1 | |
| 21 Dec. | Moderate rain at times | 9° /3° | 5.1 mm | 2 | |
| 22 Dec. | Patchy rain possible | 6° /3° | 3 mm | 1 | |
| 23 Dec. | Patchy rain possible | 10° /4° | 0.9 mm | 2 | |
| 24 Dec. | Overcast | 9° /6° | 0 mm | 2 | |
| 25 Dec. | Patchy rain possible | 8° /4° | 0.3 mm | 2 | |
| 26 Dec. | Patchy rain possible | 8° /5° | 0.2 mm | 2 | |
| 27 Dec. | Patchy rain possible | 8° /4° | 0.1 mm | 2 | |
| 28 Dec. | Patchy rain possible | 8° /3° | 0.2 mm | 2 | |
| 29 Dec. | Overcast | 7° /2° | 0 mm | 2 | |
| 30 Dec. | Overcast | 8° /4° | 0 mm | 2 | |
| 31 Dec. |  Moderate rain | 7° /2° | 5.7 mm | 2 | |
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Important Notice
Our weather forecast for Roscommon 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 Roscommon forecast closer to your planned date for the most up-to-date weather information.
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Roscommon in December - FAQ
What are the expected maximum and minimum temperatures in Roscommon during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 4°.
How much rainfall should be expected in Roscommon during December?
Moderate rainfall is anticipated in Roscommon during December, with a total of 79.4 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
Will it snow in Roscommon in December 2026?
Roscommon typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Roscommon during December?
The average wind speed in Roscommon during December is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Roscommon
Explore the daily rainfall trends and prepare for Roscommons December weather 💧
Typically, Roscommon has 12 rainy days in December with a total of 79.4 mm of rainfall.
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