Skip to content
VSWeather

Affton, MO vs Webster Groves, MO weather comparison

Affton

MO

Affton and Webster Groves have remarkably similar climates.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Affton, MO and Webster Groves, MO
AfftonMetricWebster Groves
203 daysSunny daysclear or partly cloudy skies203 days
42 inPrecipitationper year42 in
119 daysWet daysrain or snow per year119 days
12 inSnowfallper year12 in
44 daysHot daysabove 90 °F45 days
89 daysFreezing nightsat or below 32 °F86 days
68%Humidityaverage relative68%
57 °FAverage temperatureyear round57 °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.

AfftonWebster Groves

Daily highs

406080JanMarMayJulSepNovAffton, Jan: 41 °FAffton, Feb: 46 °FAffton, Mar: 56 °FAffton, Apr: 68 °FAffton, May: 77 °FAffton, Jun: 85 °FAffton, Jul: 89 °FAffton, Aug: 88 °FAffton, Sep: 81 °FAffton, Oct: 70 °FAffton, Nov: 56 °FAffton, Dec: 45 °FWebster Groves, Jan: 41 °FWebster Groves, Feb: 46 °FWebster Groves, Mar: 56 °FWebster Groves, Apr: 68 °FWebster Groves, May: 77 °FWebster Groves, Jun: 86 °FWebster Groves, Jul: 89 °FWebster Groves, Aug: 88 °FWebster Groves, Sep: 81 °FWebster Groves, Oct: 70 °FWebster Groves, Nov: 56 °FWebster Groves, Dec: 45 °F

Daily lows

204060JanMarMayJulSepNovAffton, Jan: 24 °FAffton, Feb: 27 °FAffton, Mar: 36 °FAffton, Apr: 47 °FAffton, May: 57 °FAffton, Jun: 66 °FAffton, Jul: 70 °FAffton, Aug: 68 °FAffton, Sep: 60 °FAffton, Oct: 48 °FAffton, Nov: 37 °FAffton, Dec: 29 °FWebster Groves, Jan: 24 °FWebster Groves, Feb: 28 °FWebster Groves, Mar: 37 °FWebster Groves, Apr: 47 °FWebster Groves, May: 58 °FWebster Groves, Jun: 66 °FWebster Groves, Jul: 71 °FWebster Groves, Aug: 69 °FWebster Groves, Sep: 60 °FWebster Groves, Oct: 49 °FWebster Groves, Nov: 38 °FWebster Groves, Dec: 29 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Affton high414656687785898881705645
Webster Groves high414656687786898881705645
Affton low242736475766706860483729
Webster Groves low242837475866716960493829

Monthly precipitation

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

AfftonWebster Groves
0.02.04.0JanMarMayJulSepNovAffton, Jan: 2.8 inAffton, Feb: 2.5 inAffton, Mar: 3.8 inAffton, Apr: 4.7 inAffton, May: 5.0 inAffton, Jun: 4.1 inAffton, Jul: 3.4 inAffton, Aug: 2.9 inAffton, Sep: 3.2 inAffton, Oct: 3.5 inAffton, Nov: 3.7 inAffton, Dec: 2.7 inWebster Groves, Jan: 2.8 inWebster Groves, Feb: 2.5 inWebster Groves, Mar: 3.8 inWebster Groves, Apr: 4.7 inWebster Groves, May: 5.0 inWebster Groves, Jun: 4.1 inWebster Groves, Jul: 3.4 inWebster Groves, Aug: 2.9 inWebster Groves, Sep: 3.2 inWebster Groves, Oct: 3.5 inWebster Groves, Nov: 3.7 inWebster Groves, Dec: 2.7 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Affton2.82.53.84.75.04.13.42.93.23.53.72.7
Webster Groves2.82.53.84.75.04.13.42.93.23.53.72.7

Monthly sunny days

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

AfftonWebster Groves
01020JanMarMayJulSepNovAffton, Jan: 14 daysAffton, Feb: 13 daysAffton, Mar: 15 daysAffton, Apr: 15 daysAffton, May: 16 daysAffton, Jun: 18 daysAffton, Jul: 21 daysAffton, Aug: 22 daysAffton, Sep: 21 daysAffton, Oct: 20 daysAffton, Nov: 16 daysAffton, Dec: 14 daysWebster Groves, Jan: 14 daysWebster Groves, Feb: 13 daysWebster Groves, Mar: 15 daysWebster Groves, Apr: 15 daysWebster Groves, May: 16 daysWebster Groves, Jun: 18 daysWebster Groves, Jul: 21 daysWebster Groves, Aug: 22 daysWebster Groves, Sep: 21 daysWebster Groves, Oct: 20 daysWebster Groves, Nov: 16 daysWebster Groves, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Affton141315151618212221201614
Webster Groves141315151618212221201614

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).