New Ross lies in a mid-temperate zone, with a climate closer to continental rather than maritime, with the cold winters and warm summers moderated by ocean influences.
Summer avg.=high/low 24.3C/13.0C or 75.7F/55.4F
Winter avg.=high/low 1.5C/-6.5C or 34.7F/20.3F
Record high temperature was set, Aug.10, 2001=36.4C/97.5F
Record low temperature was set, Jan 14, 1999=-21.9C/71.4F
Annual average precipitation=1400-1500mm/55.12in-59.06in.
Annual average snowfall=250-300cm /98.43in-118.11in.