Weather in Saint Louis: March
 |
Average day temperature: | 83.6°F |
| Average night temperature: | 67.7°F | |
 |
Sea water temperature: | 64.5°F |
 |
Number of sunny days: | 29 days |
| Day length: | 11.8 - 12.3 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.0 in. | |
| more information | ||
forecast
| Saint Louis |
temperature
| Saint Louis |
Air temperature in March, °F
| Day temperature | Night temperature |
The highest day temperature during March of 2025 was 78°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during March were 70.2°F and 64.3°F.
Sea water temperature in Saint Louis in March, °F
The average sea water temperature in March of 2025 was 64.6°F. The highest and lowest sea temperatures during the month were 69.3°F and 61.7°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Almost all days of March in Saint Louis are sunny. Cloudy days are rare.
Precipitation total in March, in.
Precipitation total value in Saint Louis in March is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in March is 15.4 mph It makes March one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 11.4.
Best time for vacation in Saint Louis
Saint Louis on a weather map
21 mph
18 mph
17 mph
19 mph
21 mph
19 mph
19 mph
11 mph
