Weather in St. Simons Island: April
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Average day temperature: | 76.4°F |
| Average night temperature: | 63.2°F | |
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Sea water temperature: | 69.3°F |
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Number of sunny days: | 15 days |
| Day length: | 12.5 - 13.4 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.8 in. | |
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forecast
| St. Simons Island |
temperature
| St. Simons Island |
Air temperature in April, °F
The highest day temperature during April of 2026 was 86°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during April were 75.9°F and 63.4°F.
Sea water temperature in St. Simons Island in April, °F
The average sea water temperature in April of 2026 was 69.1°F. The highest and lowest sea temperatures during the month were 71.8°F and 64.4°F.
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in St. Simons Island in April is 0.8 in. Other months of the year show relatively similar values.
The average wind speed value in April is 6.9 mph It makes April 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 April is: 8.9.
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
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