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Weather & Climate
Gem County, Idaho, United States
Overview
Climate data and monthly weather averages for Gem County.
Key Metrics
Annual Avg
8.9°C
Summer Avg
21.3°C
Winter Avg
-2.7°C
Record High
40.4°C
Record Low
-24.6°C
Annual Precipitation
537.9 mm
Avg Humidity
60%
Summer Humidity
41%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.6° | -3.5° | -24.6° | 70.4 | 86% | 48 | 45.9 |
| Feb | 12.5° | -1.3° | -18° | 51 | 79% | 70 | 37.5 |
| Mar | 20.7° | 3.2° | -16.2° | 68.5 | 71% | 112 | 40.8 |
| Apr | 27.6° | 6.9° | -6.3° | 46.2 | 64% | 158 | 40.6 |
| May | 33.8° | 12.6° | -4.3° | 45.3 | 57% | 201 | 41.8 |
| Jun | 39.8° | 17.5° | 0.5° | 30 | 51% | 218 | 49.1 |
| Jul | 40.4° | 23.7° | 6° | 7.8 | 38% | 242 | 38.7 |
| Aug | 39.1° | 22.6° | 5.1° | 9.3 | 34% | 206 | 39.6 |
| Sep | 36.1° | 17.1° | -0.2° | 19.5 | 38% | 151 | 48.3 |
| Oct | 31.1° | 9.2° | -8.4° | 37.2 | 52% | 100 | 37.9 |
| Nov | 20.2° | 2° | -23.2° | 58.5 | 68% | 55 | 45.1 |
| Dec | 11° | -3.3° | -24° | 94.2 | 83% | 38 | 48.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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