The highest day temperature in March 2025 was 58°F. The lowest night temperature was 15°F. The average values for day and night temperatures during March were 47.2°F и 36.2°F respectivly.

The average sea surface temperature in March 2025 for Jamestown was 41.4°F. The maximum and minimum values were 37.6°F and 45.0°F respectively.

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

Precipitation total in March for Jamestown is 1.4 in. This value is relatively stable throughout the year.

The average wind speed in March is 9.7 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 Jamestown in March is 5.9 hours.