easeweather.com
Donegal
AthloneBalbrigganCavanCobhCorkDingle
Donegal
DoolinDublinGalwayKildareKilkennyKillaloeLimerickLongfordNavanPortlaoiseRoscommonSkerriesSligoTipperaryTraleeWaterfordWatervilleWestportWexfordWicklow More Locations
Ireland weather

Weather in Donegal for December 2025

Your guide to Donegal weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Donegal during December is quite rare, with fewer than 2 snowy days on average.
    According to Donegal snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, December 2025 in Donegal is slightly warmer than the historical average by 0.8 °C.

  • The forecast for the next days in Donegal predicts temperatures to be around 7 °C, close to the historical average.

  • In general, the average temperature in Donegal at the beginning of December is 7.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 7.1 °C by the end of December.

    • Rain 🌧️

  • Donegal experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 178.3 mm.

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
1
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Donegal Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light freezing rain
9°
2
Mist
5°
3
Overcast
6°
4
Light snow
7°
5
Overcast
7°
6
Moderate rain
9°
7
Light rain shower
10°
8
Patchy rain possible
9°
9
Light rain shower
10°
10
Light rain shower
8°
11
Moderate rain
7°
12
Light drizzle
6°
13
Patchy rain possible
8°
14
Light rain shower
10°
15
Patchy rain possible
7°
16
Sunny
6°
17
Moderate rain
9°
18
Moderate rain
12°
19
Patchy rain possible
8°
20
Patchy rain possible
7°
21
Patchy rain possible
8°
22
Patchy rain possible
8°
23
Patchy rain possible
7°
24
Overcast
7°
25
Patchy rain possible
9°
26
Sunny
7°
27
Sunny
4°
28
Partly cloudy
5°
29
Light rain shower
8°
30
Moderate or heavy sleet
9°
31
Moderate or heavy rain with thunder
8°

Temperatures trend during December in Donegal

See the weather trend as well as the moving average line

December weather in Donegal day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light freezing rain
Light freezing rain
 9° /3° 2.3 mm 2
2 Dec. Mist
Mist
 5° /1° 1.8 mm 2
3 Dec. Overcast
Overcast
 6° /1° 4.1 mm 2
4 Dec. Light snow
Light snow
 7° /1° 3.4 mm 2
5 Dec. Overcast
Overcast
 7° /1° 7.9 mm 2
6 Dec. Moderate rain
Moderate rain
 9° /3° 16.3 mm 2
7 Dec. Light rain shower
Light rain shower
 10° /5° 18.8 mm 2
8 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 6.2 mm 2
9 Dec. Light rain shower
Light rain shower
 10° /4° 8 mm 2
10 Dec. Light rain shower
Light rain shower
 8° /3° 4.6 mm 2
11 Dec. Moderate rain
Moderate rain
 7° /3° 5.1 mm 2
12 Dec. Light drizzle
Light drizzle
 6° /2° 2.4 mm 2
13 Dec. Patchy rain possible
Patchy rain possible
 8° /2° 1.8 mm 2
14 Dec. Light rain shower
Light rain shower
 10° /5° 7.9 mm 2
15 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 0.3 mm 0.1
16 Dec. Sunny
Sunny
 6° /1° 0 mm 0.1
17 Dec. Moderate rain
Moderate rain
 9° /3° 6.8 mm 0
18 Dec. Moderate rain
Moderate rain
 12° /4° 17.6 mm 0
19 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 3.1 mm 0.1
20 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 3 mm 2
21 Dec. Patchy rain possible
Patchy rain possible
 8° /2° 1.1 mm 1
22 Dec. Patchy rain possible
Patchy rain possible
 8° /6° 0.4 mm 2
23 Dec. Patchy rain possible
Patchy rain possible
 7° /7° 0.3 mm 2
24 Dec. Overcast
Overcast
 7° /6° 0.1 mm 2
25 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 0.5 mm 2
26 Dec. Sunny
Sunny
 7° /2° 0 mm 2
27 Dec. Sunny
Sunny
 4° /0° 0 mm 2
28 Dec. Partly cloudy
Partly cloudy
 5° /0° 0 mm 2
29 Dec. Light rain shower
Light rain shower
 8° /3° 2.7 mm 2
30 Dec. Moderate or heavy sleet
Moderate or heavy sleet
 9° /5° 8.8 mm 3
31 Dec. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 8° /4° 10.9 mm 3
Next
Important Notice
Our weather forecast for Donegal 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 Donegal forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Donegal in December - FAQ

What are the expected maximum and minimum temperatures in Donegal during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Donegal during December?
Significant rainfall exceeding 178.3 mm is expected in Donegal during December, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Donegal in December 2025?
Donegal typically sees 0.22 cm of snowfall during December.
What are the typical wind conditions in Donegal during December?
The average wind speed in Donegal during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Donegal

Explore the daily rainfall trends and prepare for Donegals December weather 💧
Typically, Donegal has 26 rainy days in December with a total of 178.3 mm of rainfall.

Quick links

More Donegal weather pages
You are here
Location coordinates Where is Donegal?

Get accurate weather forecasts for Donegal, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for Donegal.

Found a mistake?
We appreciate your attention to details. Tell us here.