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Cincinnati, OH vs St. Louis, MO weather comparison

Cincinnati

OH

St. Louis endures about 20 more days above 90 °F each year.

St. Louis enjoys about 18 more sunny days a year than Cincinnati.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Cincinnati, OH and St. Louis, MO
CincinnatiMetricSt. Louis
183 daysSunny daysclear or partly cloudy skies201 days
43 inPrecipitationper year42 in
130 daysWet daysrain or snow per year118 days
16 inSnowfallper year14 in
26 daysHot daysabove 90 °F46 days
103 daysFreezing nightsat or below 32 °F81 days
70%Humidityaverage relative67%
54 °FAverage temperatureyear round58 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

CincinnatiSt. Louis

Daily highs

406080JanMarMayJulSepNovCincinnati, Jan: 39 °FCincinnati, Feb: 44 °FCincinnati, Mar: 54 °FCincinnati, Apr: 66 °FCincinnati, May: 75 °FCincinnati, Jun: 83 °FCincinnati, Jul: 86 °FCincinnati, Aug: 85 °FCincinnati, Sep: 79 °FCincinnati, Oct: 67 °FCincinnati, Nov: 54 °FCincinnati, Dec: 43 °FSt. Louis, Jan: 41 °FSt. Louis, Feb: 46 °FSt. Louis, Mar: 56 °FSt. Louis, Apr: 68 °FSt. Louis, May: 77 °FSt. Louis, Jun: 86 °FSt. Louis, Jul: 90 °FSt. Louis, Aug: 88 °FSt. Louis, Sep: 81 °FSt. Louis, Oct: 70 °FSt. Louis, Nov: 56 °FSt. Louis, Dec: 45 °F

Daily lows

204060JanMarMayJulSepNovCincinnati, Jan: 23 °FCincinnati, Feb: 25 °FCincinnati, Mar: 33 °FCincinnati, Apr: 42 °FCincinnati, May: 53 °FCincinnati, Jun: 62 °FCincinnati, Jul: 65 °FCincinnati, Aug: 64 °FCincinnati, Sep: 56 °FCincinnati, Oct: 45 °FCincinnati, Nov: 34 °FCincinnati, Dec: 28 °FSt. Louis, Jan: 24 °FSt. Louis, Feb: 28 °FSt. Louis, Mar: 38 °FSt. Louis, Apr: 48 °FSt. Louis, May: 58 °FSt. Louis, Jun: 67 °FSt. Louis, Jul: 71 °FSt. Louis, Aug: 70 °FSt. Louis, Sep: 61 °FSt. Louis, Oct: 50 °FSt. Louis, Nov: 39 °FSt. Louis, Dec: 30 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Cincinnati high394454667583868579675443
St. Louis high414656687786908881705645
Cincinnati low232533425362656456453428
St. Louis low242838485867717061503930

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

CincinnatiSt. Louis
0.02.04.0JanMarMayJulSepNovCincinnati, Jan: 3.3 inCincinnati, Feb: 3.0 inCincinnati, Mar: 4.1 inCincinnati, Apr: 4.6 inCincinnati, May: 4.6 inCincinnati, Jun: 4.2 inCincinnati, Jul: 3.5 inCincinnati, Aug: 3.0 inCincinnati, Sep: 2.7 inCincinnati, Oct: 3.0 inCincinnati, Nov: 3.3 inCincinnati, Dec: 3.6 inSt. Louis, Jan: 2.8 inSt. Louis, Feb: 2.5 inSt. Louis, Mar: 3.7 inSt. Louis, Apr: 4.6 inSt. Louis, May: 5.0 inSt. Louis, Jun: 4.2 inSt. Louis, Jul: 3.4 inSt. Louis, Aug: 2.9 inSt. Louis, Sep: 3.3 inSt. Louis, Oct: 3.4 inSt. Louis, Nov: 3.6 inSt. Louis, Dec: 2.6 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Cincinnati3.33.04.14.64.64.23.53.02.73.03.33.6
St. Louis2.82.53.74.65.04.23.42.93.33.43.62.6

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

CincinnatiSt. Louis
01020JanMarMayJulSepNovCincinnati, Jan: 11 daysCincinnati, Feb: 10 daysCincinnati, Mar: 13 daysCincinnati, Apr: 14 daysCincinnati, May: 15 daysCincinnati, Jun: 17 daysCincinnati, Jul: 19 daysCincinnati, Aug: 21 daysCincinnati, Sep: 21 daysCincinnati, Oct: 18 daysCincinnati, Nov: 14 daysCincinnati, Dec: 11 daysSt. Louis, Jan: 14 daysSt. Louis, Feb: 12 daysSt. Louis, Mar: 15 daysSt. Louis, Apr: 15 daysSt. Louis, May: 16 daysSt. Louis, Jun: 17 daysSt. Louis, Jul: 21 daysSt. Louis, Aug: 22 daysSt. Louis, Sep: 21 daysSt. Louis, Oct: 19 daysSt. Louis, Nov: 16 daysSt. Louis, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Cincinnati111013141517192121181411
St. Louis141215151617212221191614

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).