Regional District of Okanagan-Similkameen (Penticton)
December
Weather in Regional District of Okanagan-Similkameen for December 2025
Your guide to Regional District of Okanagan-Similkameen weather in December - trends and predictions
The climate of Regional District of Okanagan-Similkameen in December is quite snowy, averaging 15 snowy days.
According to Regional District of Okanagan-Similkameen snow forecast for December 2025, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Wednesday, 17 December.So far, December 2025 in Regional District of Okanagan-Similkameen is slightly warmer than the historical average by 1.4 °C.
Expect cooler weather in the next days in Regional District of Okanagan-Similkameen with the forecast suggesting a temperature of 1.1 °C, lower than the historical average.
In general, the average temperature in Regional District of Okanagan-Similkameen at the beginning of December is 3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 1.3 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
9
Dry days
7
Rainy days
15
Snow days
3°/-6°
Temperatures
8 km/h
Avg max wind
90 %
Avg humidity
Regional District of Okanagan-Similkameen Weather December
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Temperatures trend during December in Regional District of Okanagan-Similkameen
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December weather in Regional District of Okanagan-Similkameen day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 2° /-7° | 5.1 mm | 0.5 cm | |
| 2 Dec. |  Mist | 4° /-8° | 0.6 mm | 0.4 cm | |
| 3 Dec. |  Moderate snow | 3° /-9° | 1.1 mm | 0.1 cm | |
| 4 Dec. | Moderate snow | 3° /-6° | 1.4 mm | 0 cm | |
| 5 Dec. |  Patchy light rain | 3° /-8° | 2 mm | 0.4 cm | |
| 6 Dec. | Light rain | 4° /-4° | 1.2 mm | 0 cm | |
| 7 Dec. |  Patchy rain possible | 2° /-6° | 1.3 mm | 0.4 cm | |
| 8 Dec. |  Light freezing rain | 4° /-6° | 2.6 mm | 0.1 cm | |
| 9 Dec. | Moderate snow | 2° /-10° | 0.3 mm | 0.2 cm | |
| 10 Dec. |  Light snow | 3° /-3° | 5.4 mm | 0.4 cm | |
| 11 Dec. | Overcast | 4° /-3° | 0.5 mm | 0.3 cm | |
| 12 Dec. | Mist | 3° /-5° | 1.1 mm | 0 cm | |
| 13 Dec. | Patchy rain possible | 12° /0° | 0.1 mm | 0 cm | |
| 14 Dec. | Overcast | 4° /3° | 0 mm | 0 cm | |
| 15 Dec. |  Moderate rain | 6° /0° | 12.2 mm | 0 cm | |
| 16 Dec. |  Moderate or heavy snow showers | 5° /-6° | 7.4 mm | 0 cm | |
| 17 Dec. | Light freezing rain | 3° /-7° | 0.4 mm | 0.3 cm | |
| 18 Dec. | Light snow | 3° /-9° | 0.2 mm | 0.1 cm | |
| 19 Dec. | Mist | 2° /-9° | 0.3 mm | 0.2 cm | |
| 20 Dec. |  Partly cloudy | 0° /-12° | 0 mm | 0 cm | |
| 21 Dec. | Partly cloudy | -2° /-15° | 0.1 mm | 0 cm | |
| 22 Dec. | Mist | -4° /-17° | 0.1 mm | 0 cm | |
| 23 Dec. |  Sunny | -4° /-19° | 0 mm | 0 cm | |
| 24 Dec. |  Patchy moderate snow | -3° /-10° | 0.9 mm | 0.6 cm | |
| 25 Dec. | Partly cloudy | -3° /-17° | 0.1 mm | 0 cm | |
| 26 Dec. | Light snow | -4° /-17° | 0.2 mm | 0.1 cm | |
| 27 Dec. | Light freezing rain | 3° /-9° | 4.1 mm | 0 cm | |
| 28 Dec. | Mist | 4° /-6° | 4.1 mm | 0.6 cm | |
| 29 Dec. | Mist | 3° /-8° | 0 mm | 0 cm | |
| 30 Dec. | Overcast | 5° /-7° | 0 mm | 0 cm | |
| 31 Dec. | Light drizzle | 1° /-7° | 1.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Regional District of Okanagan-Similkameen 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 Regional District of Okanagan-Similkameen forecast closer to your planned date for the most up-to-date weather information.
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Regional District of Okanagan-Similkameen in December - FAQ
What are the expected maximum and minimum temperatures in Regional District of Okanagan-Similkameen during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Regional District of Okanagan-Similkameen during December?
In December, Regional District of Okanagan-Similkameen can expect light to moderate rainfall, totaling 48.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Regional District of Okanagan-Similkameen in December 2025?
Regional District of Okanagan-Similkameen experiences an average snowfall of 8.79 cm during December, occurring over 15 days.
What are the typical wind conditions in Regional District of Okanagan-Similkameen during December?
The average wind speed in Regional District of Okanagan-Similkameen during December is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Regional District of Okanagan-Similkameen snow forecast December 2025
Track daily snowfall levels and discover Regional District of Okanagan-Similkameen’s snowy potential this December ❄️
On average, Regional District of Okanagan-Similkameen sees 15 snowy days during December, with approximately 8.8 cm of total snowfall.
December rainfall patterns in Regional District of Okanagan-Similkameen
Explore the daily rainfall trends and prepare for Regional District of Okanagan-Similkameens December weather 💧
Typically, Regional District of Okanagan-Similkameen has 7 rainy days in December with a total of 48.4 mm of rainfall.
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