You might spend a lot of your holiday inside, but if you want to see more of the area, taking a look at local weather data can help you. The hottest months are usually July and August, with an average temperature of 20°C, while the coldest months are January and December, with an average of -3°C. The snowiest months in Fort Hall are January, March, April and November, with each month seeing an average of 34 cm of snowfall.