Weather Guide

St. Louis, Missouri, United States Average Monthly Weather

Weather score53Mixed annual avg

Best months: June, August, July

Across the year, average daytime temperatures are around 19°C, sunshine averages 7.1h per day, and rainfall totals about 952mm.

St. Louis, Missouri, United States, United States travel weather guide
Photo by Brittney Butler on Unsplash

Annual weather

Annual averages

Temp

19°C

Rain

952mm

Annual total

Sun

7.1h

Weather score

53

Mixed avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 32°C, giving warm days by monthly-average standards.

Showers

Rainfall averages 94mm, so some wet days are possible.

Bright

Sunshine averages 9.9h per day, so bright days are a strong part of the month.

Map

Weather map

Compare St. Louis, Missouri, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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July32°C average high

July is one of St. Louis' warmest months, with daytime heat above the yearly average.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

July94mm average rain

July is wetter than St. Louis' yearly average, so flexible plans matter more.

Driest monthsJanuary to February, October, and December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

July9.9 hours average sun

July is one of St. Louis' sunniest months, with some of the strongest bright-day conditions in the yearly averages.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

Weather score

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July77 weather score

July scores above St. Louis' yearly average, so the overall weather mix is stronger than most months.

Best weather monthsJune to September

These months have the strongest weather score in the monthly averages.

Hotels in St. Louis, Missouri, United States