Weather is only one factor, but it can really affect your travel plans, especially if you're planning an extended stay in Tygh Valley. The hottest months are usually August and July, with an average temperature of 14°C, while the coldest months are December and February, with an average of -2°C. The snowiest months in Tygh Valley are January, February, November and December, with each month seeing an average of 18 cm of snowfall.