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Weather in St Austell for December 2026

Your guide to St Austell weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in St Austell at the beginning of December is 10 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 7.1 °C by the end of December.

    • Rain 🌧️

  • St Austell in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 122.2 mm.

    • More

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Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/6°
Temperatures
Average wind speed
29 km/h
Avg max wind
Average humidity
85 %
Avg humidity

St Austell Weather December

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

Temperatures trend during December in St Austell

See the weather trend as well as the moving average line

December weather in St Austell day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Heavy rain at times
Heavy rain at times
 12° /7° 15.2 mm 3
2 Dec. Moderate rain at times
Moderate rain at times
 8° /4° 2.5 mm 2
3 Dec. Overcast
Overcast
 8° /3° 3.1 mm 2
4 Dec. Moderate rain at times
Moderate rain at times
 9° /5° 7.4 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /6° 20.2 mm 3
6 Dec. Moderate rain at times
Moderate rain at times
 10° /6° 3.8 mm 3
7 Dec. Moderate rain at times
Moderate rain at times
 11° /7° 6.2 mm 3
8 Dec. Overcast
Overcast
 9° /8° 3.8 mm 3
9 Dec. Overcast
Overcast
 10° /6° 5.3 mm 3
10 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.1 mm 3
11 Dec. Partly cloudy
Partly cloudy
 8° /5° 0.6 mm 3
12 Dec. Cloudy
Cloudy
 8° /4° 0.6 mm 2
13 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 0.5 mm 3
14 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 1.3 mm 3
15 Dec. Patchy rain possible
Patchy rain possible
 10° /7° 18.1 mm 3
16 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 0.7 mm 3
17 Dec. Heavy rain at times
Heavy rain at times
 12° /6° 12.9 mm 3
18 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /6° 24.2 mm 3
19 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /4° 2.8 mm 2
20 Dec. Moderate rain at times
Moderate rain at times
 9° /4° 4.7 mm 1
21 Dec. Moderate rain at times
Moderate rain at times
 10° /5° 6 mm 2
22 Dec. Heavy rain at times
Heavy rain at times
 8° /6° 5.7 mm 1
23 Dec. Moderate rain at times
Moderate rain at times
 9° /4° 2 mm 2
24 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.8 mm 2
25 Dec. Patchy rain possible
Patchy rain possible
 7° /4° 0.1 mm 2
26 Dec. Overcast
Overcast
 7° /4° 0 mm 2
27 Dec. Overcast
Overcast
 7° /3° 0 mm 1
28 Dec. Patchy rain possible
Patchy rain possible
 8° /3° 0.1 mm 1
29 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 0.1 mm 1
30 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 0.1 mm 1
31 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 0.7 mm 2
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Important Notice
Our weather forecast for St Austell 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 St Austell forecast closer to your planned date for the most up-to-date weather information.
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St Austell in December - FAQ

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

During December, expect a variety of temperatures with highs around 9° and lows near 6°, suitable for diverse activities and preferences.

How much rainfall should be expected in St Austell during December?

Significant rainfall exceeding 122.2 mm is expected in St Austell during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.

Will it snow in St Austell in December 2026?

St Austell typically sees 0 cm of snowfall during December.

What are the typical wind conditions in St Austell during December?

The average wind speed in St Austell during December is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in St Austell

Explore the daily rainfall trends and prepare for St Austells December weather 💧
Typically, St Austell has 20 rainy days in December with a total of 122.2 mm of rainfall.

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Location coordinates Where is St Austell?

Get accurate weather forecasts for St Austell, located at latitude 50.343 and longitude -4.774. Stay updated with localized weather information tailored for St Austell.

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