The highest day temperature in March 2026 was 81°F. The lowest night temperature was 64°F. The average values for day and night temperatures during March were 74.2°F и 66.8°F respectivly.

The average sea surface temperature in March 2026 for Saint Louis was 65.8°F. The maximum and minimum values were 62.2°F and 68.2°F respectively.

Almost all days in March are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in March for Saint Louis is 0.0 in.

The average wind speed in March is 14.3 mph. It makes March one of the most windy months of the year for Saint Louis.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint Louis in March is 11.2 hours.