Weather is only one factor, but it can really affect your travel plans, especially if you are planning a longer stay in Port Heiden. The hottest months are usually August and July, with an average temperature of 10°C, while the coldest months are January and March, with an average of -3°C. The snowiest months in Port Heiden are December, February, April and March, with each month seeing an average of 84 cm of snowfall.