The highest day temperature in March 2026 was 47°F. The lowest night temperature was -4°F. The average values for day and night temperatures during March were 19.0°F и 15.5°F respectivly.

The average sea surface temperature in March 2026 for Rocky Harbour was 29.3°F. The maximum and minimum values were 28.4°F and 31.2°F respectively.

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

Precipitation total in March for Rocky Harbour is 2.3 in.

The average wind speed in March is 8.7 mph. It makes March one of the most windy months of the year for Rocky Harbour.

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 Rocky Harbour in March is 2.5 hours.