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Bethalto, IL vs Glen Carbon, IL weather comparison

Bethalto

IL

Bethalto and Glen Carbon have remarkably similar climates.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Bethalto, IL and Glen Carbon, IL
BethaltoMetricGlen Carbon
201 daysSunny daysclear or partly cloudy skies201 days
42 inPrecipitationper year43 in
118 daysWet daysrain or snow per year119 days
12 inSnowfallper year11 in
29 daysHot daysabove 90 °F36 days
96 daysFreezing nightsat or below 32 °F94 days
67%Humidityaverage relative67%
56 °FAverage temperatureyear round56 °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.

BethaltoGlen Carbon

Daily highs

406080JanMarMayJulSepNovBethalto, Jan: 39 °FBethalto, Feb: 44 °FBethalto, Mar: 53 °FBethalto, Apr: 66 °FBethalto, May: 75 °FBethalto, Jun: 84 °FBethalto, Jul: 87 °FBethalto, Aug: 86 °FBethalto, Sep: 80 °FBethalto, Oct: 68 °FBethalto, Nov: 54 °FBethalto, Dec: 44 °FGlen Carbon, Jan: 40 °FGlen Carbon, Feb: 45 °FGlen Carbon, Mar: 55 °FGlen Carbon, Apr: 67 °FGlen Carbon, May: 76 °FGlen Carbon, Jun: 85 °FGlen Carbon, Jul: 88 °FGlen Carbon, Aug: 87 °FGlen Carbon, Sep: 80 °FGlen Carbon, Oct: 69 °FGlen Carbon, Nov: 55 °FGlen Carbon, Dec: 44 °F

Daily lows

204060JanMarMayJulSepNovBethalto, Jan: 22 °FBethalto, Feb: 25 °FBethalto, Mar: 35 °FBethalto, Apr: 45 °FBethalto, May: 56 °FBethalto, Jun: 66 °FBethalto, Jul: 69 °FBethalto, Aug: 67 °FBethalto, Sep: 60 °FBethalto, Oct: 48 °FBethalto, Nov: 37 °FBethalto, Dec: 27 °FGlen Carbon, Jan: 22 °FGlen Carbon, Feb: 26 °FGlen Carbon, Mar: 35 °FGlen Carbon, Apr: 45 °FGlen Carbon, May: 56 °FGlen Carbon, Jun: 65 °FGlen Carbon, Jul: 69 °FGlen Carbon, Aug: 67 °FGlen Carbon, Sep: 59 °FGlen Carbon, Oct: 47 °FGlen Carbon, Nov: 36 °FGlen Carbon, Dec: 27 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bethalto high394453667584878680685444
Glen Carbon high404555677685888780695544
Bethalto low222535455666696760483727
Glen Carbon low222635455665696759473627

Monthly precipitation

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

BethaltoGlen Carbon
0.02.04.0JanMarMayJulSepNovBethalto, Jan: 2.8 inBethalto, Feb: 2.5 inBethalto, Mar: 3.6 inBethalto, Apr: 4.7 inBethalto, May: 5.2 inBethalto, Jun: 4.2 inBethalto, Jul: 3.3 inBethalto, Aug: 2.9 inBethalto, Sep: 3.3 inBethalto, Oct: 3.4 inBethalto, Nov: 3.6 inBethalto, Dec: 2.5 inGlen Carbon, Jan: 2.9 inGlen Carbon, Feb: 2.5 inGlen Carbon, Mar: 3.7 inGlen Carbon, Apr: 4.7 inGlen Carbon, May: 5.2 inGlen Carbon, Jun: 4.2 inGlen Carbon, Jul: 3.3 inGlen Carbon, Aug: 3.0 inGlen Carbon, Sep: 3.2 inGlen Carbon, Oct: 3.5 inGlen Carbon, Nov: 3.7 inGlen Carbon, Dec: 2.6 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bethalto2.82.53.64.75.24.23.32.93.33.43.62.5
Glen Carbon2.92.53.74.75.24.23.33.03.23.53.72.6

Monthly sunny days

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

BethaltoGlen Carbon
01020JanMarMayJulSepNovBethalto, Jan: 14 daysBethalto, Feb: 12 daysBethalto, Mar: 15 daysBethalto, Apr: 15 daysBethalto, May: 16 daysBethalto, Jun: 17 daysBethalto, Jul: 21 daysBethalto, Aug: 22 daysBethalto, Sep: 21 daysBethalto, Oct: 19 daysBethalto, Nov: 16 daysBethalto, Dec: 14 daysGlen Carbon, Jan: 14 daysGlen Carbon, Feb: 12 daysGlen Carbon, Mar: 15 daysGlen Carbon, Apr: 15 daysGlen Carbon, May: 16 daysGlen Carbon, Jun: 17 daysGlen Carbon, Jul: 21 daysGlen Carbon, Aug: 22 daysGlen Carbon, Sep: 21 daysGlen Carbon, Oct: 20 daysGlen Carbon, Nov: 16 daysGlen Carbon, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bethalto141215151617212221191614
Glen Carbon141215151617212221201614

Keep comparing

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

Bethalto vs another city

See the full Bethalto, IL climate profile

More Illinois cities

Glen Carbon vs another city

See the full Glen Carbon, IL climate profile

More Illinois cities

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).