Yearly Climatological Averages for Fargo, North Dakota Month Avg.High Avg.Low Mean Avg. Precip. Record High Record Low Jan 16°F -2°F 7°F 0.76 in. 53°F (1944) -36°F (2004) Feb 23°F 6°F 14°F 0.59 in. 66°F (1958) -34°F (1996) Mar 35°F 19°F 27°F 1.17 in. 78°F (1967) -34°F (1948) Apr 55°F 32°F 44°F 1.37 in. 100°F (1980) -7°F (1975) May 70°F 45°F 57°F 2.61 in. 98°F (1964) 17°F (1946) Jun 77°F 55°F 66°F 3.51 in. 100°F (1995) 11°F (1942) Jul 82°F 59°F 71°F 2.88 in. 106°F (1988) 36°F (1967) Aug 81°F 57°F 69°F 2.52 in. 106°F (1976) 33°F (1982) Sep 70°F 46°F 58°F 2.18 in. 102°F (1959) 19°F (1965) Oct 56°F 34°F 45°F 1.97 in. 93°F (1963) 5°F (1951) Nov 35°F 19°F 27°F 1.06 in. 74°F (1990) -24°F (1985) Dec 21°F 4°F 12°F 0.57 in. 57°F (1962) -32°F (1967)