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Weather & Climate
Clark County, Idaho, United States
Overview
Climate data and monthly weather averages for Clark County.
Key Metrics
Annual Avg
2.2°C
Summer Avg
15.3°C
Winter Avg
-10.7°C
Record High
34.6°C
Record Low
-33.9°C
Annual Precipitation
509 mm
Avg Humidity
71%
Summer Humidity
51%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 2.8° | -11.1° | -33.1° | 35.3 | 94% | 57 | 37.4 |
| Feb | 9.4° | -9.9° | -33.9° | 35.8 | 93% | 80 | 43.2 |
| Mar | 16.2° | -4.2° | -25.7° | 42.8 | 83% | 125 | 49.4 |
| Apr | 22° | 1° | -19.2° | 53.1 | 69% | 156 | 38.8 |
| May | 28.6° | 6.7° | -8.5° | 63.2 | 63% | 188 | 38.5 |
| Jun | 31.1° | 12° | -4.6° | 59.4 | 58% | 209 | 37.4 |
| Jul | 34.6° | 17.7° | -0.8° | 31.6 | 48% | 227 | 37.7 |
| Aug | 32.9° | 16.1° | -1.4° | 32.2 | 47% | 195 | 33.2 |
| Sep | 30.5° | 10.6° | -7.8° | 38.1 | 52% | 146 | 44.7 |
| Oct | 24.4° | 2.6° | -17.6° | 40.9 | 66% | 99 | 38.4 |
| Nov | 14.6° | -4.6° | -33.2° | 36 | 80% | 59 | 44.1 |
| Dec | 5.4° | -11° | -32.1° | 40.6 | 93% | 44 | 39.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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