St. Simons Island, GA weather in March
March in St. Simons Island: mild, with some rain. Highs 70°F, lows 53°F, about 8 days with rain. A good month for most outdoor plans.
- Normal high
- 70°F
- Normal low
- 53°F
- Wet days
- 8
- 3.3 in total
- Muggy days
- 1
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 68°F | 73°F |
| Normal low | 50°F | 56°F |
| Chance of a wet day | 26% | 23% |
| Sunrise / sunset | 6:52 am / 6:23 pm | 7:15 am / 7:43 pm |
| Daylight | 11.5 h | 12.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am55°Fdew point 50°F
- 9 am60°Fdew point 51°F
- Noon66°Fdew point 50°F
- 3 pm67°Fdew point 51°F
- 6 pm63°Fdew point 51°F
- 9 pm60°Fdew point 52°F
NOAA hourly normals (local standard time) from Brunswick Malcolm Mckinnon Airport (1 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph3 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more1 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 3.3 in; a dry March brings about 1.8 in and a wet one about 4.8 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202020: average high 77°F
- Coolest March2013: average high 64°F
- Wettest March2003: 7.1 in
- Driest March2006: 0.3 in
- Highest reading90°F (March 15, 2020)
- Lowest reading25°F (March 9, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 65°F | 70°F | 76°F |
| Normal low | 47°F | 53°F | 60°F |
| Wet days | 8 | 8 | 7 |
| Comfortable days | 10 | 14 | 12 |
| Daylight | 11.1 h | 12.0 h | 12.9 h |
Highs change by +5°F from February and +6°F into April.
Nearby alternatives in March
- Warmer: Gainesville, FL117 mi · high 76°F · 7 wet days
- Cooler: Myrtle Beach, SC229 mi · high 64°F · 8 wet days
How St. Simons Island ranks in March
- Normal high96th warmest of 378 cities; 5th of 8 in Georgia
- Wet days113th driest of 378
- Comfortable days110th most of 339
Heating and cooling
March has 152 heating degree days and 48 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is St. Simons Island in March?
The normal high is 70°F and the normal low is 53°F. From 1991 to 2020 the hottest March reading was 90°F (most recently on March 15, 2020).
Does it rain a lot in St. Simons Island in March?
About 8 days in March have at least 0.01 in of precipitation, and the normal total is 3.3 in. The wettest March in 1991-2020 was in 2003 (7.1 in); the driest was in 2006 (0.3 in).
Is March a good time to visit St. Simons Island?
March ranks 1st of 12 months on our comfort score for St. Simons Island (67 out of 100). It has about 14 comfortable days. The best months are March, April and November.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Brunswick Malcolm Mckinnon Airport (USW00013878), 1.2 mi N of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Snowfall: Brunswick (USC00091340), 7.0 mi WNW of the city center, 13 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Sapelo Is (USC00097808), 19 mi NNE of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Malcolm Mc Kinnon Airport (722137-13878), 1.2 mi N of the city center, 14 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).