St. Louis US | ||
|---|---|---|
| Today Fri Jul 11 | ||
Sat Jul 12 | ||
Sun Jul 13 | ||
Mon Jul 14 | ||
Tue Jul 15 | ||
Wed Jul 16 | ||
Thu Jul 17 |
Today Fri Jul 11 | Sat Jul 12 | Sun Jul 13 | Mon Jul 14 | Tue Jul 15 | Wed Jul 16 | Thu Jul 17 | Fri Jul 18 | Sat Jul 19 | Sun Jul 20 | Mon Jul 21 | Tue Jul 22 | Wed Jul 23 | Thu Jul 24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
St. Louis US |
Calculations are based on the last 8 years of historical weather data.
St. Louis experiences a wide range of temperatures throughout the year.
July and August are the hottest months, with average highs exceeding 30°C, which can be uncomfortable.
December, January, and February can be uncomfortably cold, with average lows dipping below freezing.
April, May, September and October have the most comfortable temperatures.
Maximum Temperatures
| Period | St. Louis |
|---|---|
| Jan | 3.9°C |
| Feb | 7.4°C |
| Mar | 13.6°C |
| Apr | 18.0°C |
| May | 24.4°C |
| Jun | 29.7°C |
| Jul | 31.3°C |
| Aug | 30.4°C |
| Sep | 28.5°C |
| Oct | 20.9°C |
| Nov | 12.6°C |
| Dec | 8.3°C |
| Average | 19.1°C |
Minimum Temperatures
| Period | St. Louis |
|---|---|
| Jan | -3.3°C |
| Feb | -1.1°C |
| Mar | 4.3°C |
| Apr | 8.2°C |
| May | 14.9°C |
| Jun | 19.6°C |
| Jul | 21.6°C |
| Aug | 20.4°C |
| Sep | 17.7°C |
| Oct | 11.0°C |
| Nov | 4.0°C |
| Dec | 0.8°C |
| Average | 9.8°C |
In St. Louis, total sun hours exhibit a clear upward trend from January, peaking in June and July with around 8.0 to 8.6 hours of sunshine.
Conversely, precipitation levels are generally lower during the summer months, particularly in June and July, suggesting a drier period that contrasts with the wetter spring months, especially in April.
Sunny Weather
| Period | St. Louis |
|---|---|
| Jan | 3.3 hours/day |
| Feb | 3.8 hours/day |
| Mar | 4.3 hours/day |
| Apr | 5.0 hours/day |
| May | 6.3 hours/day |
| Jun | 8.6 hours/day |
| Jul | 8.0 hours/day |
| Aug | 7.5 hours/day |
| Sep | 7.6 hours/day |
| Oct | 6.1 hours/day |
| Nov | 5.1 hours/day |
| Dec | 3.6 hours/day |
| Average | 5.8 hours/day |
Precipitation Levels
| Period | St. Louis |
|---|---|
| Jan | 3.9mm |
| Feb | 3.9mm |
| Mar | 4.9mm |
| Apr | 5.7mm |
| May | 5.2mm |
| Jun | 4.0mm |
| Jul | 3.9mm |
| Aug | 4.8mm |
| Sep | 2.4mm |
| Oct | 3.3mm |
| Nov | 2.9mm |
| Dec | 3.1mm |
| Average | 4.0mm |
Wind Speed
| Period | St. Louis |
|---|---|
| Jan | 19.5km/h |
| Feb | 20.0km/h |
| Mar | 22.0km/h |
| Apr | 21.7km/h |
| May | 18.3km/h |
| Jun | 16.4km/h |
| Jul | 14.1km/h |
| Aug | 14.5km/h |
| Sep | 15.5km/h |
| Oct | 19.2km/h |
| Nov | 18.9km/h |
| Dec | 19.3km/h |
| Average | 18.3km/h |
Humidity
| Period | St. Louis |
|---|---|
| Jan | 73.2% |
| Feb | 72.9% |
| Mar | 69.5% |
| Apr | 70.3% |
| May | 74.4% |
| Jun | 69.5% |
| Jul | 73.0% |
| Aug | 71.6% |
| Sep | 65.0% |
| Oct | 62.4% |
| Nov | 66.0% |
| Dec | 70.6% |
| Average | 69.9% |
In St. Louis, the earliest sunrise occurs in June at 5:37 AM, while the latest is at 7:15 AM in January, indicating significant variation depending on the time of year. The latest sunset is also in June at 8:26 PM, contrasting sharply with the earliest sunset in December at 4:41 PM.
The shortest day, lasting only 9 hours and 30 minutes, takes place in December, whereas the longest day stretches to 14 hours and 48 minutes in June. This pattern reflects typical seasonal changes, with longer days in summer and shorter days in winter.
Sunrise Time
| Period | St. Louis |
|---|---|
| Jan | 7:16 |
| Feb | 6:51 |
| Mar | 6:49 |
| Apr | 6:24 |
| May | 5:49 |
| Jun | 5:37 |
| Jul | 5:50 |
| Aug | 6:16 |
| Sep | 6:43 |
| Oct | 7:11 |
| Nov | 6:52 |
| Dec | 7:11 |
| Average | 6:36 |
Sunset Time
| Period | St. Louis |
|---|---|
| Jan | 17:05 |
| Feb | 17:39 |
| Mar | 18:48 |
| Apr | 19:38 |
| May | 20:07 |
| Jun | 20:26 |
| Jul | 20:23 |
| Aug | 19:53 |
| Sep | 19:08 |
| Oct | 18:21 |
| Nov | 16:56 |
| Dec | 16:42 |
| Average | 18:48 |
Useful Day Length
| Period | St. Louis |
|---|---|
| Jan | 9:50 hours |
| Feb | 10:39 hours |
| Mar | 11:48 hours |
| Apr | 12:38 hours |
| May | 13:07 hours |
| Jun | 13:26 hours |
| Jul | 13:23 hours |
| Aug | 12:53 hours |
| Sep | 12:08 hours |
| Oct | 11:10 hours |
| Nov | 9:56 hours |
| Dec | 9:31 hours |
| Average | 11:42 hours |