Nepean
December
Weather in Nepean for December 2025
Your guide to Nepean weather in December - trends and predictions
The climate of Nepean in December is quite snowy, averaging 15 snowy days.
According to Nepean snow forecast for December 2025, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Tuesday, 16 December.Until now, December 2025 in Nepean is slightly cooler than the historical average by -1.9 °C.
The forecast for the next days in Nepean predicts a temperature of -5 °C, which is cooler than the historical average.
In general, the average temperature in Nepean at the beginning of December is -0.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -3.1 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
12
Dry days
4
Rainy days
15
Snow days
0°/-4°
Temperatures
16 km/h
Avg max wind
85 %
Avg humidity
Nepean Weather December
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Temperatures trend during December in Nepean
See the weather trend as well as the moving average line
December weather in Nepean day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Fog | 2° /-3° | 0.9 mm | 0.6 cm | |
| 2 Dec. |  Moderate snow | -1° /-3° | 1.4 mm | 0.4 cm | |
| 3 Dec. |  Light snow | 0° /-3° | 5.4 mm | 2.7 cm | |
| 4 Dec. | Moderate snow | 0° /-6° | 10.2 mm | 7.9 cm | |
| 5 Dec. | Light snow | -1° /-9° | 4.1 mm | 3 cm | |
| 6 Dec. |  Freezing fog | -2° /-10° | 0 mm | 0 cm | |
| 7 Dec. | Light snow | -3° /-12° | 2.8 mm | 2 cm | |
| 8 Dec. | Mist | -3° /-9° | 11.5 mm | 8.3 cm | |
| 9 Dec. | Freezing fog | -2° /-7° | 8.6 mm | 2.1 cm | |
| 10 Dec. |  Moderate rain | 2° /-3° | 26.2 mm | 10 cm | |
| 11 Dec. | Moderate snow | -1° /-5° | 8.2 mm | 2 cm | |
| 12 Dec. | Light snow | 0° /-8° | 4.9 mm | 3.5 cm | |
| 13 Dec. |  Partly cloudy | -1° /-7° | 0.1 mm | 0 cm | |
| 14 Dec. | Partly cloudy | -8° /-15° | 0 mm | 0 cm | |
| 15 Dec. |  Overcast | -7° /-11° | 0 mm | 0 cm | |
| 16 Dec. | Partly cloudy | -3° /-9° | 0.1 mm | 0.1 cm | |
| 17 Dec. | Moderate snow | 2° /-7° | 1.2 mm | 0 cm | |
| 18 Dec. | Mist | -3° /-13° | 1.5 mm | 1.1 cm | |
| 19 Dec. |  Light freezing rain | 0° /-9° | 0.1 mm | 0.1 cm | |
| 20 Dec. |  Heavy snow | -4° /-10° | 4 mm | 2 cm | |
| 21 Dec. | Light freezing rain | -7° /-16° | 0.4 mm | 0.1 cm | |
| 22 Dec. | Light freezing rain | -4° /-16° | 0.1 mm | 0 cm | |
| 23 Dec. | Light freezing rain | 3° /-8° | 1.3 mm | 0 cm | |
| 24 Dec. |  Sunny | -10° /-13° | 0 mm | 0 cm | |
| 25 Dec. | Partly cloudy | -11° /-16° | 0 mm | 0 cm | |
| 26 Dec. | Sunny | -8° /-14° | 0 mm | 0 cm | |
| 27 Dec. | Sunny | -10° /-16° | 0 mm | 0 cm | |
| 28 Dec. |  Patchy rain possible | 1° /-3° | 0.3 mm | 0 cm | |
| 29 Dec. |  Light drizzle | 3° /1° | 23.5 mm | 0 cm | |
| 30 Dec. |  Cloudy | 2° /0° | 5.5 mm | 0.7 cm | |
| 31 Dec. | Overcast | 1° /-2° | 1 mm | 0 cm | |
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Important Notice
Our weather forecast for Nepean 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 Nepean forecast closer to your planned date for the most up-to-date weather information.
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Nepean in December - FAQ
What are the expected maximum and minimum temperatures in Nepean during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Nepean during December?
Significant rainfall exceeding 191 mm is expected in Nepean during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Nepean in December 2025?
Nepean experiences an average snowfall of 70.255 cm during December, occurring over 15 days.
What are the typical wind conditions in Nepean during December?
The average wind speed in Nepean during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Nepean snow forecast December 2025
Track daily snowfall levels and discover Nepean’s snowy potential this December ❄️
On average, Nepean sees 15 snowy days during December, with approximately 70.3 cm of total snowfall.
December rainfall patterns in Nepean
Explore the daily rainfall trends and prepare for Nepeans December weather 💧
Typically, Nepean has 4 rainy days in December with a total of 191 mm of rainfall.
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