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Bridgeton, MO weather and climate

St. Louis County, MO · population 11,372 · about 564 ft elevation

Everything below is a 30 year average for 1991-2020, computed from daily climate history at Bridgeton's own coordinates.

The year at a glance

Sunny days
202
clear or partly cloudy, per year
Precipitation
41 in
per year
Wet days
118
rain or snow per year
Snowfall
15 in
per year
Hot days
44
above 90 °F
Freezing nights
90
at or below 32 °F
Humidity
69%
average relative
Average temperature
57 °F
year round

Monthly temperatures

Average daily high and low for each month, in °F.

Daily highDaily low
20406080JanMarMayJulSepNovDaily high, Jan: 40 °FDaily high, Feb: 46 °FDaily high, Mar: 56 °FDaily high, Apr: 68 °FDaily high, May: 77 °FDaily high, Jun: 85 °FDaily high, Jul: 89 °FDaily high, Aug: 88 °FDaily high, Sep: 81 °FDaily high, Oct: 69 °FDaily high, Nov: 56 °FDaily high, Dec: 44 °FDaily low, Jan: 23 °FDaily low, Feb: 27 °FDaily low, Mar: 36 °FDaily low, Apr: 46 °FDaily low, May: 57 °FDaily low, Jun: 67 °FDaily low, Jul: 71 °FDaily low, Aug: 69 °FDaily low, Sep: 60 °FDaily low, Oct: 48 °FDaily low, Nov: 37 °FDaily low, Dec: 28 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Daily high404656687785898881695644
Daily low232736465767716960483728

Monthly precipitation

Total rain plus melted snow for each month, in inches.

0.02.04.0JanMarMayJulSepNovBridgeton, Jan: 2.6 inBridgeton, Feb: 2.4 inBridgeton, Mar: 3.7 inBridgeton, Apr: 4.5 inBridgeton, May: 4.9 inBridgeton, Jun: 4.0 inBridgeton, Jul: 3.3 inBridgeton, Aug: 2.9 inBridgeton, Sep: 3.2 inBridgeton, Oct: 3.3 inBridgeton, Nov: 3.6 inBridgeton, Dec: 2.5 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bridgeton2.62.43.74.54.94.03.32.93.23.33.62.5

Monthly sunny days

Days each month with clear or partly cloudy skies.

01020JanMarMayJulSepNovBridgeton, Jan: 14 daysBridgeton, Feb: 13 daysBridgeton, Mar: 15 daysBridgeton, Apr: 15 daysBridgeton, May: 16 daysBridgeton, Jun: 17 daysBridgeton, Jul: 21 daysBridgeton, Aug: 22 daysBridgeton, Sep: 21 daysBridgeton, Oct: 19 daysBridgeton, Nov: 17 daysBridgeton, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bridgeton141315151617212221191714

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About this data

Figures are 30 year averages for 1991-2020. 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).