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Weather in St. Helens for December 2025

Your guide to St. Helens weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Rain Warning - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in St. Helens during December is quite rare, with fewer than 2 snowy days on average.
    According to St. Helens snow forecast for December 2025, no snow is expected in the next 2 weeks.

    • Temperatures

  • So far, December 2025 in St. Helens is slightly warmer than the historical average by 1.5 °C.

  • The forecast for the next days in St. Helens predicts temperatures to be around 8 °C, close to the historical average.

  • In general, the average temperature in St. Helens at the beginning of December is 8 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 8.4 °C by the end of December.

    • Rain 🌧️

  • St. Helens experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 124.1 mm.

    • More

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

Average dry days
3
Dry days
Average rainy days
27
Rainy days
Average snowy days
1
Snow days
Average temperatures
8°/5°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
81 %
Avg humidity

St. Helens Weather December

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

Temperatures trend during December in St. Helens

See the weather trend as well as the moving average line

December weather in St. Helens 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
 9° /4° 6.7 mm 3
2 Dec. Overcast
Overcast
 7° /3° 1.1 mm 2
3 Dec. Light sleet
Light sleet
 5° /2° 3.4 mm 2
4 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 11.8 mm 2
5 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 9 mm 2
6 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 3.8 mm 2
7 Dec. Moderate rain
Moderate rain
 11° /4° 7.3 mm 3
8 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 2.1 mm 2
9 Dec. Light rain
Light rain
 11° /6° 4.6 mm 3
10 Dec. Light rain
Light rain
 9° /5° 1.2 mm 3
11 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 0.8 mm 2
12 Dec. Light rain shower
Light rain shower
 8° /4° 3.5 mm 2
13 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 0.3 mm 2
14 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 3.1 mm 0
15 Dec. Heavy rain
Heavy rain
 10° /7° 21.1 mm 0
16 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 4.5 mm 0
17 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 1.3 mm 0
18 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 3.3 mm 0
19 Dec. Partly cloudy
Partly cloudy
 10° /6° 0.1 mm 3
20 Dec. Sunny
Sunny
 6° /3° 0 mm 2
21 Dec. Partly cloudy
Partly cloudy
 5° /2° 0 mm 2
22 Dec. Patchy rain possible
Patchy rain possible
 5° /4° 1.6 mm 1
23 Dec. Partly cloudy
Partly cloudy
 5° /3° 0 mm 2
24 Dec. Cloudy
Cloudy
 7° /3° 0 mm 1
25 Dec. Cloudy
Cloudy
 10° /5° 0.1 mm 2
26 Dec. Mist
Mist
 5° /3° 0 mm 1
27 Dec. Sunny
Sunny
 6° /3° 0 mm 2
28 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /5° 4 mm 2
29 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 3.3 mm 2
30 Dec. Heavy rain at times
Heavy rain at times
 10° /5° 6.2 mm 2
31 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 9.3 mm 3
Next
Important Notice
Our weather forecast for St. Helens 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. Helens forecast closer to your planned date for the most up-to-date weather information.
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St. Helens in December - FAQ

What are the expected maximum and minimum temperatures in St. Helens during December?
During December, expect a variety of temperatures with highs around 8° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Helens during December?
Significant rainfall exceeding 124.1 mm is expected in St. Helens during December, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Helens in December 2025?
St. Helens typically sees 1.59 cm of snowfall during December.
What are the typical wind conditions in St. Helens during December?
The average wind speed in St. Helens during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in St. Helens

Explore the daily rainfall trends and prepare for St. Helenss December weather 💧
Typically, St. Helens has 27 rainy days in December with a total of 124.1 mm of rainfall.

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Location coordinates Where is St. Helens?

Get accurate weather forecasts for St. Helens, located at latitude 53.45 and longitude -2.733. Stay updated with localized weather information tailored for St. Helens.

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