The highest day temperature in March 2026 was 89°F. The lowest night temperature was 35°F. The average values for day and night temperatures during March were 79.4°F и 63.8°F respectivly.

The average sea surface temperature in March 2026 for Houston was 71.6°F. The maximum and minimum values were 65.2°F and 76.0°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Houston is 2.1 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 9.4 mph. It makes March one of the most windy months of the year for Houston.

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 Houston in March is 5.9 hours.