Bonneville County (Idaho Falls)
December
Weather in Bonneville County, Idaho for December 2026
Your guide to Bonneville County weather in December - trends and predictions
Bonneville County typically experiences moderate snowfall in December, with an average of 7 snowy days.
Is December a good time to visit Bonneville County? check out the best time to travel to Bonneville County page.
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Snow Forecast ❄️
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21
Dry days
3
Rainy days
7
Snow days
2°/-4°
Temperatures
21 km/h
Avg max wind
87 %
Avg humidity
Bonneville County Weather December
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Temperatures trend during December in Bonneville County
See the weather trend as well as the moving average line
December weather in Bonneville County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | -1° /-9° | 0 mm | 0 cm | |
| Dec. 2 |  Light snow | 2° /-6° | 6.4 mm | 4.6 cm | |
| Dec. 3 | Overcast | 2° /-9° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | -1° /-6° | 0 mm | 0 cm | |
| Dec. 5 |  Patchy rain possible | 2° /-6° | 1 mm | 0.7 cm | |
| Dec. 6 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 0° /-5° | 0 mm | 0 cm | |
| Dec. 8 |  Light freezing rain | 2° /-2° | 0.3 mm | 0 cm | |
| Dec. 9 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 11 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 13 | Light freezing rain | 1° /-4° | 0.1 mm | 0 cm | |
| Dec. 14 |  Moderate or heavy snow showers | 3° /-4° | 12.3 mm | 7.7 cm | |
| Dec. 15 | Light snow | 3° /-6° | 2.1 mm | 1.4 cm | |
| Dec. 16 | Light freezing rain | 3° /-2° | 1.9 mm | 0.4 cm | |
| Dec. 17 | Light freezing rain | 4° /-2° | 0.3 mm | 0 cm | |
| Dec. 18 | Overcast | 2° /-3° | 0.7 mm | 0 cm | |
| Dec. 19 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 20 |  Cloudy | 1° /-5° | 0 mm | 0 cm | |
| Dec. 21 | Light snow | 2° /-4° | 6.3 mm | 1.7 cm | |
| Dec. 22 |  Light rain | 4° /1° | 3 mm | 0 cm | |
| Dec. 23 | Patchy rain possible | 6° /0° | 1.1 mm | 0.4 cm | |
| Dec. 24 | Light snow | 4° /-1° | 12.2 mm | 4 cm | |
| Dec. 25 | Light rain | 5° /1° | 5.8 mm | 0 cm | |
| Dec. 26 |  Moderate snow | 2° /-1° | 21.3 mm | 8.3 cm | |
| Dec. 27 | Light snow | 0° /-5° | 2.6 mm | 1.5 cm | |
| Dec. 28 | Light snow | -1° /-5° | 3.5 mm | 2.2 cm | |
| Dec. 29 | Light rain | 1° /-5° | 2.7 mm | 0 cm | |
| Dec. 30 | Light snow | 2° /-6° | 5.9 mm | 4.2 cm | |
| Dec. 31 | Cloudy | -1° /-8° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Bonneville County 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 Bonneville County forecast closer to your planned date for the most up-to-date weather information.
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Bonneville County in December - FAQ
What are the expected maximum and minimum temperatures in Bonneville County during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Bonneville County during December?
Moderate rainfall is anticipated in Bonneville County during December, with a total of 89.4 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
Will it snow in Bonneville County in December 2026?
Bonneville County experiences an average snowfall of 37.3 cm during December, occurring over 7 days.
What are the typical wind conditions in Bonneville County during December?
The average wind speed in Bonneville County during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Bonneville County snow forecast December 2026
Track daily snowfall levels and discover Bonneville County’s snowy potential this December ❄️
On average, Bonneville County sees 7 snowy days during December, with approximately 37.3 cm of total snowfall.
December rainfall patterns in Bonneville County
Explore the daily rainfall trends and prepare for Bonneville Countys December weather 💧
Typically, Bonneville County has 3 rainy days in December with a total of 89.4 mm of rainfall.
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