The highest day temperature in March 2025 was 94°F. The lowest night temperature was 63°F. The average values for day and night temperatures during March were 81.5°F и 73.1°F respectivly.

The average sea surface temperature in March 2025 for Rio Grande was 81.7°F. The maximum and minimum values were 76.0°F and 89.4°F respectively.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for Rio Grande is 0.8 in. It makes march the least rainy month of the year.

The average wind speed in March is 11.5 mph. This value is relatively stable throughout the year.

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 Rio Grande in March is 7.1 hours.