Synonyms for Parky (same or very similar meaning)
WordNet sense 1 (pleasantly cold and invigorating):
crisp, frosty, nippy, snappy, nippingWordNet sense 2 (used of physical coldness; having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration):
coldFrom the ODE community, based on WordNetadd/edit