The highest day temperature in March 2025 was 58°F. The lowest night temperature was 13°F. The average values for day and night temperatures during March were 38.6°F и 24.8°F respectivly.

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

Precipitation total in March for Helena is 0.5 in.

The average wind speed in March is 5.6 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 Helena in March is 6.4 hours.