Considerations for boarding your horse in Alaska: Southcentral grasses include a variety of bromegrass, timothy, wheatgrass, wildrye, sainfoin, reed canary grass, fescue and Kentucky bluegrass among others. Palmer, Alaska offers a 100-mile horse-friendly park to ride in. Weather and Wildlife in Alaska: The climate in the south central, and southeast or interior where most of the population lives can vary but on average is about 65°F in July to an average low of 10°F in December. There is a wide variety of wildlife in Alaska south, grizzly, moose, mountain goats, bison and no snakes.