Average temperature in Casper (WY)
The mean minimum and maximum temperatures over the year in Casper (Wyoming), the United States of America.
- The months of June, August and September have nice average temperatures.
- On average, the warmest month(s) are July and August.
- On average, the warmest month is July with 31°C.
- On average, the coolest month is December with 2°C.
- The average annual maximum temperature is 16°C.
- The average annual minimum temperature is 1°C.
Forecast for Casper (WY)
broken clouds and rain
broken clouds and rain
broken clouds and no rain