Kenemaka ua ʻike i kona pō anuanu loa o Nowemapa i nā makahiki 30 me ka mahana o -15 degere Celsius. Ua haki ʻo Copenhagen i kahi moʻolelo kahiko loa i kēia wā anuanu.
Ua ʻike ʻia i ka hopena o Nowemapa i nā mahana maloʻo me nā helu helu pālua ma lalo o ka zero. Ke kahua mokulele ʻo Roskilde paʻi i ka helu anu loa ma -15 degere Celsius, e hōʻailona ana i ka wela haʻahaʻa i hoʻopaʻa ʻia.
Ua hoʻopaʻa ʻia i ka pō Poʻalua ka haʻahaʻa haʻahaʻa ma nā wahi like ʻole. Ua ʻike ʻo Copenhagen i kona pō anuanu loa o Nowemapa i loko o hoʻokahi haneli mau makahiki, me ka hoʻopaʻa ʻana o ka moku Frederiksberg -7.7 degere, ka haʻahaʻa loa mai ka makahiki 1919.
ʻO nā kūlanakauhale me ka liʻiliʻi o nā wahi ākea, ʻoi aku ka kiʻekiʻe o ka mahana. ʻO kēia kūlana ke wehewehe ʻana i ke kumu i hoʻomau ʻole ʻia ai ka moʻolelo wela o Copenhagen no kahi manawa lōʻihi.
ʻO ka mahana ma Roskilde ka mea haʻahaʻa loa ma Denmark no Nowemapa i loko o ʻekolu mau makahiki. I loko o nā makahiki he 150 i hala iho nei mai ka hoʻomaka ʻana o nā moʻolelo i ka makahiki 1873, aia he 13 wale nō nā manawa o ka wela i ka -15 degere Celsius i Nowemapa, me ka mea hou loa i ka makahiki 1993.
ʻO ka mahana haʻahaʻa haʻahaʻa o Nowemapa i hoʻopaʻa ʻia ma -21.3 degere Celsius i ka makahiki 1973. ʻElua wale nō ma mua o ka makahiki 1884 a me 1965 i hāʻule ka mahana ma lalo o -20 degere Celsius i Nowemapa.