Climate Lake Saint Louis - Missouri
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 39 | 45 | 55 | 67 | 75 | 83 |
| Average low in ºF Av. low Lo | 20 | 24 | 33 | 44 | 54 | 63 |
| Av. precipitation in inch Av. precip. Pre. | 2.37 | 2.49 | 3.51 | 3.78 | 4.90 | 4.60 |
| Av. snowfall in inch Snowfall Sn | 3 | 5 | 1 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 87 | 86 | 79 | 68 | 56 | 42 |
| Average low in ºF Av. low Lo | 67 | 65 | 56 | 45 | 36 | 24 |
| Av. precipitation in inch Av. precip. Pre. | 4.48 | 3.14 | 3.72 | 3.69 | 4.11 | 3.34 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 0 | 3 |
What is the average weather in Lake Saint Louis, Missouri?
Lake Saint Louis experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are hot, while winters are cold and bring regular snowfall. Precipitation is fairly wet overall, spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Lake Saint Louis Climate Graph - Missouri Climate Chart
Daily normals Lake Saint Louis - Missouri - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 40.0 | 22.7 | 0.10 | 0.10 | 0.10 | 0.10 |
| 2 Jan | 39.9 | 22.5 | 0.20 | 0.20 | 0.20 | 0.20 |
| 3 Jan | 39.7 | 22.3 | 0.30 | 0.30 | 0.30 | 0.30 |
| 4 Jan | 39.6 | 22.2 | 0.39 | 0.39 | 0.40 | 0.40 |
| 5 Jan | 39.4 | 22.0 | 0.49 | 0.49 | 0.50 | 0.50 |
| 6 Jan | 39.3 | 21.9 | 0.59 | 0.59 | 0.60 | 0.60 |
| 7 Jan | 39.2 | 21.7 | 0.68 | 0.68 | 0.80 | 0.80 |
| 8 Jan | 39.1 | 21.6 | 0.77 | 0.77 | 0.90 | 0.90 |
| 9 Jan | 39.0 | 21.5 | 0.86 | 0.86 | 1.00 | 1.00 |
| 10 Jan | 38.9 | 21.4 | 0.95 | 0.95 | 1.10 | 1.10 |
| 11 Jan | 38.9 | 21.2 | 1.03 | 1.03 | 1.20 | 1.20 |
| 12 Jan | 38.8 | 21.1 | 1.11 | 1.11 | 1.30 | 1.30 |
| 13 Jan | 38.8 | 21.0 | 1.18 | 1.18 | 1.40 | 1.40 |
| 14 Jan | 38.8 | 20.9 | 1.26 | 1.26 | 1.60 | 1.60 |
| 15 Jan | 38.7 | 20.9 | 1.34 | 1.34 | 1.70 | 1.70 |
| 16 Jan | 38.8 | 20.8 | 1.42 | 1.42 | 1.80 | 1.80 |
| 17 Jan | 38.8 | 20.7 | 1.50 | 1.50 | 2.00 | 2.00 |
| 18 Jan | 38.8 | 20.7 | 1.58 | 1.58 | 2.10 | 2.10 |
| 19 Jan | 38.8 | 20.6 | 1.66 | 1.66 | 2.30 | 2.30 |
| 20 Jan | 38.9 | 20.6 | 1.74 | 1.74 | 2.40 | 2.40 |
| 21 Jan | 39.0 | 20.6 | 1.82 | 1.82 | 2.60 | 2.60 |
| 22 Jan | 39.1 | 20.6 | 1.90 | 1.90 | 2.70 | 2.70 |
| 23 Jan | 39.2 | 20.6 | 1.98 | 1.98 | 2.90 | 2.90 |
| 24 Jan | 39.3 | 20.6 | 2.07 | 2.07 | 3.10 | 3.10 |
| 25 Jan | 39.4 | 20.7 | 2.15 | 2.15 | 3.20 | 3.20 |
| 26 Jan | 39.6 | 20.7 | 2.24 | 2.24 | 3.40 | 3.40 |
| 27 Jan | 39.7 | 20.8 | 2.31 | 2.31 | 3.50 | 3.50 |
| 28 Jan | 39.9 | 20.9 | 2.39 | 2.39 | 3.70 | 3.70 |
| 29 Jan | 40.1 | 21.0 | 2.46 | 2.46 | 3.80 | 3.80 |
| 30 Jan | 40.3 | 21.1 | 2.54 | 2.54 | 4.00 | 4.00 |
| 31 Jan | 40.5 | 21.2 | 2.61 | 2.61 | 4.10 | 4.10 |
Weather history Lake Saint Louis - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 98.1 | 68.0 | 0.00 | 0.00 | 0.0 |
| 02 Sep | 98.1 | 75.0 | 0.00 | 0.00 | 0.0 |
| 03 Sep | 99.0 | 78.1 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 98.1 | 78.1 | 0.00 | 0.00 | 0.0 |
| 05 Sep | 100.0 | 75.9 | 0.00 | 0.00 | 0.0 |
| 06 Sep | 102.0 | 73.9 | 0.00 | 0.00 | 0.0 |
| 07 Sep | 91.9 | 64.9 | 0.00 | 0.00 | 0.0 |
| 08 Sep | 91.0 | 63.0 | 0.00 | 0.00 | 0.0 |
| 09 Sep | 93.0 | 63.0 | 0.00 | 0.00 | 0.0 |
| 10 Sep | 95.0 | 69.1 | 0.99 | 0.00 | 0.0 |
| 11 Sep | 77.0 | 68.0 | 0.24 | 0.00 | 0.0 |
| 12 Sep | 84.9 | 68.0 | T | 0.00 | 0.0 |
| 13 Sep | 91.0 | 68.0 | 0.00 | 0.00 | 0.0 |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Lake Saint Louis
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 93.8 ºF | 39 ºF | |
| Average low temperature Av. low temp. | 70.2 ºF | 20 ºF | |
| Total precipitation Total precip. | 1.23 inch | 2.37 inch | |
| Total snowfall Total snowfall | 0.00 inch | 3 inch | |
| Highest max temperature Highest max temp. | 102.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 77.0 ºF | - | |
| Highest min temperature Highest min temp. | 78.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 63.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Lake Saint Louis - Missouri
| Country | United States | |
|---|---|---|
| State | Missouri | |
| County | - | |
| City | Lake Saint Louis | |
| Zip Code | 63367 | |
| Longitude | -90.79 dec. degr. | |
| Latitude | 38.78 dec. degr. | |
| Altitude - Elevation | 604ft | |
| ICAO | - | |
| IATA | - |
Date and Time Lake Saint Louis - Missouri
| Local Time | 01:18 PM | |
|---|---|---|
| Sunrise | 06:43 AM | |
| Sunset | 07:12 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Lake Saint Louis - Missouri
USGS National Map — Open interactive map
Lake Saint Louis weather averages
| Annual high temperature | 65ºF |
| Annual low temperature | 44ºF |
| Average annual precip. | 44.13 inch |
| Av. annual snowfall | 12 inch |
Station Data
Monthly averages Lake Saint Louis
Longitude: -90.7884, Latitude: 38.7809
Average weather Lake Saint Louis, MO - 63367
Monthly: 1991-2020 normals
History: 2008-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...