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Climate Statistics · City

Average daily low in St. Louis

1991–2020 · 1 data point Updated Oct 21, 2026
Climate · St. Louis

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020

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Latest value · 1991–2020 48 °F
Weather through the year long-term average 1991–2020 · St Louis Lambert Intl Ap weather station, 21 km away
40° 24°
Jan
46° 28°
Feb
56° 37°
Mar
68° 47°
Apr
77° 58°
May
86° 67°
Jun
90° 71°
Jul
88° 70°
Aug
81° 61°
Sep
69° 49°
Oct
55° 38°
Nov
44° 29°
Dec
2.6
2.2
3.5
4.7
4.8
4.5
3.9
3.4
3.0
3.2
3.4
2.5
High and low, °F Precipitation, inches

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020

What it means

The typical coolest temperature of the day, usually at night, averaged over the year.

How it is calculated

Mean of the twelve monthly normals of the daily minimum at the nearest weather station: 1991–2020, or the latest ten years where the older record is missing.