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Weather & Climate
Bannock County, Idaho, United States
Overview
Climate data and monthly weather averages for Bannock County.
Key Metrics
Annual Avg
7°C
Summer Avg
20.3°C
Winter Avg
-5.6°C
Record High
38.9°C
Record Low
-31.9°C
Annual Precipitation
468 mm
Avg Humidity
62%
Summer Humidity
42%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.3° | -6.7° | -31.9° | 47.7 | 90% | 59 | 48.1 |
| Feb | 12.5° | -4.2° | -25.8° | 41.7 | 82% | 79 | 59.4 |
| Mar | 22.5° | 1.6° | -20.3° | 47.4 | 68% | 125 | 61.4 |
| Apr | 27.5° | 5.5° | -9.2° | 50.4 | 61% | 159 | 51.4 |
| May | 33.9° | 11.3° | -6.6° | 50.8 | 54% | 201 | 55.4 |
| Jun | 36.3° | 17.1° | -1.2° | 29.1 | 47% | 225 | 45.4 |
| Jul | 38.9° | 22.8° | 4.1° | 14.9 | 39% | 233 | 38.5 |
| Aug | 37° | 21.1° | 3.7° | 20.2 | 40% | 203 | 38.4 |
| Sep | 34.6° | 15.2° | -4° | 35.7 | 45% | 155 | 50.4 |
| Oct | 29.1° | 7° | -13.9° | 37.8 | 57% | 109 | 54.6 |
| Nov | 18.9° | 0° | -27.6° | 39 | 71% | 64 | 50.3 |
| Dec | 12.1° | -5.9° | -30.3° | 53.3 | 86% | 46 | 52.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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