The highest day temperature in March 2026 was 96°F. The lowest night temperature was 32°F. The average values for day and night temperatures during March were 76.9°F и 61.7°F respectivly.

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

Precipitation total in March for Plano is 1.3 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 11.7 mph. It makes March the most windy month of the year for Plano.

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 Plano in March is 7.3 hours.