Columbia, MO Weather

Columbia has a humid continental climate marked by sharp seasonal contrasts in temperature, and is in USDA Plant Hardiness Zone 6a. The monthly daily average temperature ranges from 29.7 °F (−1.3 °C) in January to 77.3 °F (25.2 °C) in July, while the high reaches or exceeds 90 °F (32 °C) on an average of 32 days per year, 100 °F (38 °C) on two days, while four nights of sub-0 °F (−18 °C) lows can be expected. Precipitation tends to be greatest and most frequent in the latter half of spring, when severe weather is also most common. Snow averages 18.0 inches (46 cm) per season, mostly from December to March, with occasional November accumulation and falls in April being rarer; historically seasonal snow accumulation has ranged from 3.4 in (8.6 cm) in 2005–06 to 54.9 in (139 cm) in 1977–78. Extreme temperatures have ranged from −26 °F (−32 °C) on February 12, 1899 to 113 °F (45 °C) on July 12 and 14, 1954. Readings of −10 °F (−23 °C) or 105 °F (41 °C) are uncommon, the last occurrences being January 7, 2014 and July 31, 2012.