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Weather in Portlaoise for December 2025

Your guide to Portlaoise weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Portlaoise at the beginning of December is 9.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 10 °C by the end of December.

    • Rain 🌧️

  • The climate of Portlaoise in December is notably wet, with an average of 15 rainy days, and a total of 55 mm of precipitation.

Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/4°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Portlaoise Weather December

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

Temperatures trend during December in Portlaoise

See the weather trend as well as the moving average line

December weather in Portlaoise day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Moderate rain at times
Moderate rain at times
 11° /6° 1 mm 3
2 Dec. Overcast
Overcast
 7° /0° 0 mm 2
3 Dec. Moderate rain at times
Moderate rain at times
 7° /-1° 0.9 mm 2
4 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /2° 4.8 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /5° 6.3 mm 3
6 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /2° 8.1 mm 3
7 Dec. Overcast
Overcast
 8° /4° 8.1 mm 2
8 Dec. Overcast
Overcast
 6° /2° 0 mm 2
9 Dec. Overcast
Overcast
 5° /0° 0 mm 2
10 Dec. Overcast
Overcast
 4° /0° 0 mm 1
11 Dec. Partly cloudy
Partly cloudy
 3° /0° 0 mm 2
12 Dec. Overcast
Overcast
 5° /0° 0 mm 2
13 Dec. Overcast
Overcast
 4° /1° 0 mm 1
14 Dec. Patchy rain possible
Patchy rain possible
 8° /1° 1.6 mm 2
15 Dec. Overcast
Overcast
 11° /9° 0 mm 3
16 Dec. Moderate rain at times
Moderate rain at times
 9° /5° 1 mm 2
17 Dec. Heavy rain at times
Heavy rain at times
 12° /6° 5.2 mm 3
18 Dec. Moderate rain at times
Moderate rain at times
 12° /3° 5 mm 3
19 Dec. Overcast
Overcast
 5° /1° 0 mm 2
20 Dec. Heavy rain at times
Heavy rain at times
 8° /3° 2.3 mm 2
21 Dec. Patchy rain possible
Patchy rain possible
 11° /4° 1.5 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 5° /2° 1.9 mm 1
23 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /3° 4.1 mm 3
24 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0.1 mm 3
25 Dec. Overcast
Overcast
 11° /7° 0 mm 3
26 Dec. Overcast
Overcast
 11° /6° 0 mm 3
27 Dec. Overcast
Overcast
 10° /9° 0 mm 3
28 Dec. Overcast
Overcast
 10° /6° 0 mm 3
29 Dec. Overcast
Overcast
 9° /5° 0 mm 2
30 Dec. Overcast
Overcast
 9° /6° 0 mm 2
31 Dec. Light rain
Light rain
 10° /6° 3 mm 3
Next
Important Notice
Our weather forecast for Portlaoise 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 Portlaoise forecast closer to your planned date for the most up-to-date weather information.
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Portlaoise in December - FAQ

What are the expected maximum and minimum temperatures in Portlaoise during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 4°.
How much rainfall should be expected in Portlaoise during December?
Moderate rainfall is anticipated in Portlaoise during December, with a total of 55 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
Will it snow in Portlaoise in December 2025?
Portlaoise typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Portlaoise during December?
The average wind speed in Portlaoise during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Portlaoise

Explore the daily rainfall trends and prepare for Portlaoises December weather 💧

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Location coordinates Where is Portlaoise?

Get accurate weather forecasts for Portlaoise, located at latitude 53.034 and longitude -7.3. Stay updated with localized weather information tailored for Portlaoise.

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