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Weather in Caerphilly for December 2026

Your guide to Caerphilly weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Caerphilly at the beginning of December is 9.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.4 °C by the end of December.

    • Rain 🌧️

  • Caerphilly in December brings notable rainfall, with an average of 19 rainy days and a total precipitation of 241.6 mm.

    • More

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Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Caerphilly Weather December

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

Temperatures trend during December in Caerphilly

See the weather trend as well as the moving average line

December weather in Caerphilly day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light rain shower
Light rain shower
 11° /6° 24.9 mm 0
2 Dec. Light rain shower
Light rain shower
 8° /4° 4.3 mm 0
3 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 2.1 mm 0
4 Dec. Light rain shower
Light rain shower
 8° /2° 3.1 mm 0
5 Dec. Light rain shower
Light rain shower
 10° /2° 30.8 mm 0
6 Dec. Light rain shower
Light rain shower
 9° /8° 11.7 mm 0
7 Dec. Moderate rain
Moderate rain
 13° /8° 8.2 mm 0
8 Dec. Light drizzle
Light drizzle
 10° /9° 3.2 mm 0
9 Dec. Light rain shower
Light rain shower
 12° /9° 20 mm 0
10 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0 mm 0
11 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.6 mm 0
12 Dec. Patchy rain possible
Patchy rain possible
 9° /5° 1.8 mm 0
13 Dec. Mist
Mist
 8° /4° 0 mm 0
14 Dec. Overcast
Overcast
 10° /6° 0 mm 0
15 Dec. Moderate rain
Moderate rain
 10° /7° 55.6 mm 0
16 Dec. Overcast
Overcast
 9° /2° 3.5 mm 0
17 Dec. Light rain
Light rain
 9° /3° 24.6 mm 0
18 Dec. Moderate rain
Moderate rain
 10° /5° 28.7 mm 0
19 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0 mm 0
20 Dec. Light rain shower
Light rain shower
 8° /4° 9.5 mm 0
21 Dec. Light rain shower
Light rain shower
 7° /4° 6.7 mm 0
22 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 1.7 mm 0
23 Dec. Patchy rain possible
Patchy rain possible
 7° /4° 0.6 mm 0
24 Dec. Overcast
Overcast
 5° /2° 0 mm 0
25 Dec. Partly cloudy
Partly cloudy
 3° /0° 0 mm 0
26 Dec. Sunny
Sunny
 4° /0° 0 mm 0
27 Dec. Patchy rain possible
Patchy rain possible
 6° /0° 0 mm 0
28 Dec. Overcast
Overcast
 5° /1° 0 mm 0
29 Dec. Overcast
Overcast
 5° /0° 0 mm 0
30 Dec. Overcast
Overcast
 4° /0° 0 mm 0
31 Dec. Sunny
Sunny
 4° /0° 0 mm 0
Next
Important Notice
Our weather forecast for Caerphilly 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 Caerphilly forecast closer to your planned date for the most up-to-date weather information.
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Caerphilly in December - FAQ

What are the expected maximum and minimum temperatures in Caerphilly during December?

Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.

How much rainfall should be expected in Caerphilly during December?

Significant rainfall exceeding 241.6 mm is expected in Caerphilly during December, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Caerphilly in December 2026?

Caerphilly typically sees 0 cm of snowfall during December.

What are the typical wind conditions in Caerphilly during December?

The average wind speed in Caerphilly during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Caerphilly

Explore the daily rainfall trends and prepare for Caerphillys December weather 💧
Typically, Caerphilly has 19 rainy days in December with a total of 241.6 mm of rainfall.

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Location coordinates Where is Caerphilly?

Get accurate weather forecasts for Caerphilly, located at latitude 51.575 and longitude -3.218. Stay updated with localized weather information tailored for Caerphilly.

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