Siberian
algid
antarctic
antipodean
arctic
austral
back of beyond
below zero
biting
bitter
bitterly cold
bleak
boreal
brisk
brumal
cold
cold as charity
cold as death
cold as ice
cold as marble
crisp
cutting
east
eastbound
easterly
eastermost
eastern
easternmost
freezing
freezing cold
frigid
gelid
glacial
godforsaken
hibernal
hiemal
ice-cold
ice-encrusted
icelike
icy
inaccessible
inclement
keen
meridional
nipping
nippy
north
northbound
northeast
northeasterly
Dorian
Ecuadorean
Ecuadorian
Gregorian
Ivorian
Nestorian
Praetorian
Pythagorean
Singaporean
Victorian
ecuadorian
gregorian
historian
praetorian
salutatorian
torreon
valedictorian