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Weather in Portlaoise for December 2026

Your guide to Portlaoise weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Portlaoise at the beginning of December is 9.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 7.6 °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
8°
5
Moderate or heavy rain shower
11°
6
Moderate or heavy rain shower
11°
7
Overcast
10°
8
Overcast
8°
9
Overcast
9°
10
Overcast
6°
11
Partly cloudy
7°
12
Overcast
6°
13
Overcast
7°
14
Patchy rain possible
10°
15
Overcast
9°
16
Moderate rain at times
7°
17
Heavy rain at times
11°
18
Moderate rain at times
10°
19
Overcast
6°
20
Heavy rain at times
8°
21
Patchy rain possible
9°
22
Patchy rain possible
7°
23
Moderate or heavy rain shower
10°
24
Patchy rain possible
9°
25
Overcast
8°
26
Overcast
8°
27
Overcast
8°
28
Overcast
8°
29
Overcast
7°
30
Overcast
7°
31
Light rain
7°

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° /4° 6.1 mm 3
2 Dec. Overcast
Overcast
 7° /1° 0 mm 2
3 Dec. Moderate rain at times
Moderate rain at times
 7° /1° 5.8 mm 2
4 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /1° 2.9 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /3° 10.8 mm 3
6 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /4° 6.2 mm 3
7 Dec. Overcast
Overcast
 10° /4° 8 mm 3
8 Dec. Overcast
Overcast
 8° /4° 0.3 mm 3
9 Dec. Overcast
Overcast
 9° /3° 5.3 mm 3
10 Dec. Overcast
Overcast
 6° /3° 0 mm 2
11 Dec. Partly cloudy
Partly cloudy
 7° /2° 1.4 mm 3
12 Dec. Overcast
Overcast
 6° /1° 0 mm 2
13 Dec. Overcast
Overcast
 7° /2° 0.2 mm 2
14 Dec. Patchy rain possible
Patchy rain possible
 10° /5° 6.2 mm 3
15 Dec. Overcast
Overcast
 9° /6° 0.1 mm 3
16 Dec. Moderate rain at times
Moderate rain at times
 7° /3° 0.5 mm 3
17 Dec. Heavy rain at times
Heavy rain at times
 11° /5° 4 mm 3
18 Dec. Moderate rain at times
Moderate rain at times
 10° /3° 6.8 mm 3
19 Dec. Overcast
Overcast
 6° /2° 0 mm 2
20 Dec. Heavy rain at times
Heavy rain at times
 8° /3° 2.9 mm 1
21 Dec. Patchy rain possible
Patchy rain possible
 9° /3° 2 mm 2
22 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 1.6 mm 1
23 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /4° 2.2 mm 2
24 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 0.1 mm 2
25 Dec. Overcast
Overcast
 8° /3° 0 mm 2
26 Dec. Overcast
Overcast
 8° /3° 0 mm 2
27 Dec. Overcast
Overcast
 8° /5° 0 mm 2
28 Dec. Overcast
Overcast
 8° /3° 0 mm 2
29 Dec. Overcast
Overcast
 7° /2° 0 mm 1
30 Dec. Overcast
Overcast
 7° /3° 0 mm 1
31 Dec. Light rain
Light rain
 7° /2° 1.5 mm 2
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 2026?

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 💧
Typically, Portlaoise has 15 rainy days in December with a total of 55 mm of rainfall.

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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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