St. Helens (St Helens)
December
Weather in St. Helens for December 2025
Your guide to St. Helens weather in December - trends and predictions
Snowfall in St. Helens during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in St. Helens at the beginning of December is 6.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9.4 °C by the end of December.
St. Helens experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 143.2 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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5
Dry days
25
Rainy days
1
Snow days
9°/5°
Temperatures
26 km/h
Avg max wind
81 %
Avg humidity
St. Helens in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  6° | 3  3° | 4  6° | 5  9° | 6 7° | 7  9° |
| 8 9° | 9 9° | 10 8° | 11 7° | 12 7° | 13 7° | 14 8° |
| 15 11° | 16 11° | 17  11° | 18 13° | 19 8° | 20 9° | 21 11° |
| 22  8° | 23  10° | 24 11° | 25 10° | 26 8° | 27 10° | 28 10° |
| 29 8° | 30 10° | 31 10° |
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Temperatures trend during December in St. Helens
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Partly cloudy | 8° /4° | 1.3 mm | 0 cm | |
| 2 Dec. | Overcast | 6° /2° | 1.1 mm | 0 cm | |
| 3 Dec. | Light sleet | 3° /1° | 5 mm | 1.6 cm | |
| 4 Dec. | Light rain | 6° /3° | 14.6 mm | 0 cm | |
| 5 Dec. | Patchy rain possible | 9° /6° | 7.3 mm | 0 cm | |
| 6 Dec. | Patchy rain possible | 7° /3° | 4.3 mm | 0 cm | |
| 7 Dec. | Moderate rain | 9° /4° | 9.3 mm | 0 cm | |
| 8 Dec. | Light rain | 9° /5° | 1.6 mm | 0 cm | |
| 9 Dec. | Light rain | 9° /5° | 4.4 mm | 0 cm | |
| 10 Dec. | Light rain | 8° /4° | 1.8 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 7° /3° | 1.2 mm | 0 cm | |
| 12 Dec. | Light rain shower | 7° /3° | 3.7 mm | 0 cm | |
| 13 Dec. | Patchy rain possible | 7° /4° | 0.4 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 8° /4° | 1 mm | 0 cm | |
| 15 Dec. | Overcast | 11° /7° | 0.1 mm | 0 cm | |
| 16 Dec. | Overcast | 11° /7° | 0 mm | 0 cm | |
| 17 Dec. | Cloudy | 11° /7° | 1.4 mm | 0 cm | |
| 18 Dec. | Light drizzle | 13° /8° | 3.3 mm | 0 cm | |
| 19 Dec. | Light drizzle | 8° /6° | 6.2 mm | 0 cm | |
| 20 Dec. | Light rain shower | 9° /6° | 3.7 mm | 0 cm | |
| 21 Dec. | Light rain shower | 11° /7° | 5.4 mm | 0 cm | |
| 22 Dec. | Heavy rain at times | 8° /5° | 4.6 mm | 0 cm | |
| 23 Dec. | Moderate or heavy rain shower | 10° /6° | 4.3 mm | 0 cm | |
| 24 Dec. | Overcast | 11° /7° | 1.2 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 10° /6° | 1.5 mm | 0 cm | |
| 26 Dec. | Heavy rain at times | 8° /5° | 2 mm | 0 cm | |
| 27 Dec. | Moderate or heavy rain shower | 10° /4° | 10.4 mm | 0 cm | |
| 28 Dec. | Moderate or heavy rain shower | 10° /5° | 4 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 8° /5° | 3.3 mm | 0 cm | |
| 30 Dec. | Heavy rain at times | 10° /5° | 6.2 mm | 0 cm | |
| 31 Dec. | Moderate or heavy rain shower | 10° /6° | 9.3 mm | 0 cm | |
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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.
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 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Helens during December?
Significant rainfall exceeding 143.2 mm is expected in St. Helens during December, occurring over more than 25 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 26 km/h, suggesting breezy to windy conditions, depending on your activities.
St. Helens snow forecast December 2025
Track daily snowfall levels and discover St. Helens’s snowy potential this December ❄️
December rainfall patterns in St. Helens
Explore the daily rainfall trends and prepare for St. Helenss December weather 💧
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