Weather Comparison: Casper and Boise
This page compares weather averages and records between the cities of
Casper, Wyoming and
Boise, Idaho.
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Records and Averages Comparison
|
Casper |
Boise |
| ☀️ Record high |
109 °F |
111 °F |
| 🌙 Record low |
-42 °F |
-30 °F |
| 💧 Most daily precipitation |
3.5 inches |
1.9 inches |
| 💧 Most monthly precipitation |
6.5 inches |
4.4 inches |
| 💧 Most yearly precipitation |
21.2 inches |
18.8 inches |
| 💧 Average yearly precipitation |
12.2 inches |
11.5 inches |
| ❄️ Most daily snow |
26.7 inches |
15.0 inches |
| ❄️ Most monthly snow |
62.8 inches |
40.0 inches |
| ❄️ Most yearly snow |
137.6 inches |
57.7 inches |
| ❄️ Average yearly snow |
71.2 inches |
17.6 inches |
Maximum Difference Between High Temperatures
This table shows the times in history when the daily high temperature in Casper was warmest relative to Boise, and vice versa.
| Date |
Casper |
Boise |
| May 15, 1984 |
87 °F |
45 °F |
| March 21, 2002 |
17 °F |
69 °F |