Weather is only one factor, but it can really affect your travel plans, especially if you're planning an extended stay in Valmiera. The hottest months are usually July and August, with an average temperature of 16°C, while the coldest months are January and February, with an average of -3°C. The snowiest months in Valmiera are January, December, November and April, with each month seeing an average of 23 cm of snowfall.