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Weather in Barmouth for December 2025

Your guide to Barmouth weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Rain Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Barmouth has been nearly identical to the historical average, with a temperature of 8.5 °C (showing only a slight deviation of 0.5 °C).

  • The forecast for the upcoming days in Barmouth predicts a temperature of 9.6 °C, which is slightly above the historical average.

  • In general, the average temperature in Barmouth at the beginning of December is 8.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 7.7 °C by the end of December.

    • Rain 🌧️

  • Barmouth experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 254.5 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
7°/4°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
89 %
Avg humidity

Barmouth Weather December

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

Temperatures trend during December in Barmouth

See the weather trend as well as the moving average line

December weather in Barmouth day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /6° 44.4 mm 3
2 Dec. Moderate rain at times
Moderate rain at times
 7° /3° 12.8 mm 2
3 Dec. Overcast
Overcast
 6° /1° 3.2 mm 2
4 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /2° 8.7 mm 2
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /3° 31.8 mm 3
6 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /5° 13.5 mm 3
7 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /5° 17.6 mm 3
8 Dec. Patchy rain possible
Patchy rain possible
 7° /5° 6.1 mm 2
9 Dec. Overcast
Overcast
 9° /5° 15.4 mm 3
10 Dec. Overcast
Overcast
 6° /3° 2.3 mm 2
11 Dec. Sunny
Sunny
 7° /3° 0 mm 2
12 Dec. Overcast
Overcast
 7° /2° 4.9 mm 2
13 Dec. Patchy rain possible
Patchy rain possible
 10° /7° 1.4 mm 0.1
14 Dec. Moderate rain
Moderate rain
 10° /10° 7.2 mm 0
15 Dec. Heavy rain
Heavy rain
 10° /9° 30.8 mm 0
16 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 0.3 mm 0.1
17 Dec. Moderate rain
Moderate rain
 10° /5° 8.3 mm 0
18 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 3.2 mm 2
19 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 1.8 mm 2
20 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 2.7 mm 2
21 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 1.5 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 4.5 mm 3
23 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 3 mm 2
24 Dec. Partly cloudy
Partly cloudy
 7° /6° 0.1 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 2.1 mm 2
26 Dec. Cloudy
Cloudy
 7° /5° 0.1 mm 2
27 Dec. Overcast
Overcast
 9° /6° 0 mm 2
28 Dec. Overcast
Overcast
 7° /5° 0.1 mm 2
29 Dec. Patchy rain possible
Patchy rain possible
 7° /6° 2.2 mm 2
30 Dec. Patchy rain possible
Patchy rain possible
 7° /5° 3.7 mm 2
31 Dec. Moderate rain
Moderate rain
 8° /7° 14.1 mm 2
Next
Important Notice
Our weather forecast for Barmouth 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 Barmouth forecast closer to your planned date for the most up-to-date weather information.
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Barmouth in December - FAQ

What are the expected maximum and minimum temperatures in Barmouth during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 4°.
How much rainfall should be expected in Barmouth during December?
Significant rainfall exceeding 254.5 mm is expected in Barmouth during December, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Barmouth in December 2025?
Barmouth typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Barmouth during December?
The average wind speed in Barmouth during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Barmouth

Explore the daily rainfall trends and prepare for Barmouths December weather 💧
Typically, Barmouth has 22 rainy days in December with a total of 254.5 mm of rainfall.

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Get accurate weather forecasts for Barmouth, located at latitude 52.724 and longitude -4.057. Stay updated with localized weather information tailored for Barmouth.

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