Weather in St. Simons Island: March
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Average day temperature: | 71.1°F |
| Average night temperature: | 58.9°F | |
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Sea water temperature: | 62.7°F |
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Number of sunny days: | 14 days |
| Day length: | 11.5 - 12.5 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.2 in. | |
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forecast
| St. Simons Island |
temperature
| St. Simons Island |
Air temperature in March, °F
The highest day temperature during March of 2026 was 82°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during March were 69.2°F and 57.6°F.
Sea water temperature in St. Simons Island in March, °F
The average sea water temperature in March of 2026 was 62.1°F. The highest and lowest sea temperatures during the month were 66.0°F and 55.6°F.
Mostly all days in March are sunny but cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in St. Simons Island in March is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in March is 6.8 mph It makes March one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 7.3.
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
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