Geography and Climate
Carcross is located in the Yukon Southern Lakes; broad valleys and large lakes characterize this ecoregion. Set within the rain shadow of the Coast Mountains, this ecoregion’s climate is dry and cool. The Yukon Southern Lakes Ecoregion lies in the sporadic discontinuous permafrost zone, where permafrost underlies less than one-quarter of the landscape.
The ecoregion supports the highest mammalian diversity in the Yukon, with at least 50 of the 60 species known to occur in the Yukon at present.
Carcross is just over 77 kilometers from Whitehorse; while no independent climate information is available for the smaller communities, climate information for Whitehorse gives a fairly good indication of general weather conditions.
Over the past few decades, the daily temperature for January in Whitehorse reached daytime highs of minus 13 Celsius, dropping to minus 22 Celsius overnight.
In July the daily temperatures typically reach a high of 20 Celsius and a low at night of about 8 Celsius.
Whitehorse has a relatively dry climate; annual precipitation over several decades averaged close to 270 millimetres, including 160 to 165 mm of rain and 145 centimetres of snow.
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