Average temperature in Helena (MT)
The mean minimum and maximum temperatures over the year in Helena (Montana), the United States of America.
- The months of June, July, 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 29°C.
- On average, the coolest month is December with -0°C.
- The average annual maximum temperature is 14°C.
- The average annual minimum temperature is 0°C.
Forecast for Helena (MT)
partly cloudy and no rain
broken clouds and thunder
overcast and slight rain