NOAA GHCND · LIVE

Weather on August 11

Saint Louis, MO

55 Years of Data

Avg High
88°F
Avg Low
67°F
Warmest
2010
88°F avg
Coldest
1986
68°F avg

About This Date

August 11th in Saint Louis, MO typically brings warm summer weather, with average highs around 88°F and lows near 67°F. Over 53 years of records, the warmest August 11th was in 2010 (88°F average), while the coldest was 1986 (68°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 26% of August 11th dates historically, with the wettest August 11th recording 2.62" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

Planning for August 11th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
202591°71°81°
202485°64°74°
202393°69°81°
202287°59°73°
202194°77°85°
202084°68°76°
201987°69°78°0.05"
201893°73°83°0.08"
201785°72°78°0.48"
201694°77°85°
201588°72°80°0.74"
201484°70°77°
201385°63°74°
201280°60°70°
201181°61°71°0.05"
2010warmest100°75°88°
200985°70°77°
200883°57°70°
200794°68°81°
200691°73°82°0.91"
200598°71°85°0.3"
200485°58°71°
200384°64°74°
200292°69°80°
200183°69°76°
200085°65°75°
199993°67°80°
199891°72°81°
199784°70°77°
199682°67°74°
199595°74°84°
199492°74°83°
199386°73°80°
199285°63°74°
199183°58°70°
199085°58°71°
198985°56°70°
198898°70°84°
198790°65°77°
1986coldest84°52°68°
198586°63°74°
198490°74°82°
198183°65°74°0.13"
1980100°66°83°0.43"
197992°64°78°0.48"
197891°59°75°0.38"
197788°69°78°0.64"
197689°69°79°
197588°67°77°
197480°69°75°0.08"
197391°65°78°2.62"
197296°65°80°
197191°
53 years of data from ST LOUIS ST LOUIS UNIV

Saint Louis, MO Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Saint Louis, MO Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"6.1"12.2"JFMAMJJASOND2.2"0"
Rain (in) Snow (in)

Saint Louis, MO Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Saint Louis, MO

Saint Louis, MO has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery