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Bonneville County (Idaho Falls)
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United States weather

Weather in Bonneville County, Idaho for January 2026

Your guide to Bonneville County weather in January - trends and predictions

    Snow Forecast ❄️

  • Bonneville County typically experiences moderate snowfall in January, with an average of 7 snowy days.
    According to Bonneville County snow forecast for January 2026, 2 snowy days are expected at the beginning of January. The first snowfall for January is expected in Thursday, January 1.

    • Temperatures

  • The forecast for the upcoming days in Bonneville County predicts a temperature of 6.5 °F, which is slightly above the historical average.

  • In general, the average temperature in Bonneville County at the beginning of January is 1.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.6 °F by the end of January.

    • More

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Average dry days
23
Dry days
Average rainy days
1
Rainy days
Average snowy days
7
Snow days
Average temperatures
-4°/-13°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
89 %
Avg humidity

Bonneville County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
6°
2
Patchy light snow
8°
3
Moderate snow
1°
4
Moderate or heavy snow showers
1°
5
Light freezing rain
-1°
6
Light freezing rain
-1°
7
Sunny
-4°
8
Light freezing rain
-8°
9
Overcast
-4°
10
Overcast
-3°
11
Overcast
-2°
12
Overcast
-5°
13
Light freezing rain
-4°
14
Cloudy
-4°
15
Overcast
-3°
16
Overcast
-3°
17
Light freezing rain
-2°
18
Cloudy
-7°
19
Light freezing rain
-7°
20
Sunny
-13°
21
Overcast
-9°
22
Partly cloudy
-7°
23
Overcast
-8°
24
Light freezing rain
-5°
25
Sunny
-4°
26
Sunny
-5°
27
Cloudy
-5°
28
Overcast
-7°
29
Overcast
-6°
30
Freezing fog
-5°
31
Mist
0°

Temperatures trend during January in Bonneville County

See the weather trend as well as the moving average line

January weather in Bonneville County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
 6° /0° 0.6 mm 0.2 cm
Jan. 2 Patchy light snow
Patchy light snow
 8° /2° 0.1 mm 0 cm
Jan. 3 Moderate snow
Moderate snow
 1° /-1° 6.3 mm 4.6 cm
Jan. 4 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-3° 5.1 mm 3 cm
Jan. 5 Light freezing rain
Light freezing rain
 -1° /-3° 2.6 mm 0.8 cm
Jan. 6 Light freezing rain
Light freezing rain
 -1° /-9° 1.4 mm 0.9 cm
Jan. 7 Sunny
Sunny
 -4° /-14° 0 mm 0 cm
Jan. 8 Light freezing rain
Light freezing rain
 -8° /-18° 0.2 mm 0 cm
Jan. 9 Overcast
Overcast
 -4° /-8° 0 mm 0 cm
Jan. 10 Overcast
Overcast
 -3° /-9° 1.3 mm 0.5 cm
Jan. 11 Overcast
Overcast
 -2° /-8° 0.2 mm 0 cm
Jan. 12 Overcast
Overcast
 -5° /-8° 0 mm 0 cm
Jan. 13 Light freezing rain
Light freezing rain
 -4° /-7° 0.2 mm 0 cm
Jan. 14 Cloudy
Cloudy
 -4° /-8° 0 mm 0 cm
Jan. 15 Overcast
Overcast
 -3° /-10° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 -3° /-11° 0 mm 0 cm
Jan. 17 Light freezing rain
Light freezing rain
 -2° /-11° 0.6 mm 0 cm
Jan. 18 Cloudy
Cloudy
 -7° /-16° 0 mm 0 cm
Jan. 19 Light freezing rain
Light freezing rain
 -7° /-19° 1.1 mm 0 cm
Jan. 20 Sunny
Sunny
 -13° /-25° 0 mm 0 cm
Jan. 21 Overcast
Overcast
 -9° /-24° 0 mm 0 cm
Jan. 22 Partly cloudy
Partly cloudy
 -7° /-22° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 -8° /-16° 0 mm 0 cm
Jan. 24 Light freezing rain
Light freezing rain
 -5° /-13° 0.3 mm 0 cm
Jan. 25 Sunny
Sunny
 -4° /-17° 0 mm 0 cm
Jan. 26 Sunny
Sunny
 -5° /-22° 0 mm 0 cm
Jan. 27 Cloudy
Cloudy
 -5° /-22° 0 mm 0 cm
Jan. 28 Overcast
Overcast
 -7° /-15° 0 mm 0 cm
Jan. 29 Overcast
Overcast
 -6° /-14° 0 mm 0 cm
Jan. 30 Freezing fog
Freezing fog
 -5° /-17° 0 mm 0 cm
Jan. 31 Mist
Mist
 0° /-9° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Bonneville County in January 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 January - FAQ

What are the expected maximum and minimum temperatures in Bonneville County during January?
Brace for cold days with temperatures not exceeding -4° 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 January?
In January, Bonneville County can expect light to moderate rainfall, totaling 24.3 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Bonneville County in January 2026?
Bonneville County experiences an average snowfall of 10.91 cm during January, occurring over 7 days.
What are the typical wind conditions in Bonneville County during January?
The average wind speed in Bonneville County during January is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

Bonneville County snow forecast January 2026

Track daily snowfall levels and discover Bonneville County’s snowy potential this January ❄️
On average, Bonneville County sees 7 snowy days during January, with approximately 10.9 cm of total snowfall.

January rainfall patterns in Bonneville County

Explore the daily rainfall trends and prepare for Bonneville Countys January weather 💧
Typically, Bonneville County has 1 rainy days in January with a total of 24.3 mm of rainfall.
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Idaho Falls
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Location coordinates Where is Bonneville County?

Get accurate weather forecasts for Bonneville County, located at latitude 43.467 and longitude -112.034. Stay updated with localized weather information tailored for Bonneville County.

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