The official National Weather Service forecast for Sterling — 31.2724°N, 81.5615°W, 4.1 miles from I-95. Forecasts here are written by NWS JAX, this county’s forecast office.
| Glynn County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 67 | 73 | 79 | 85 | 90 | 92 | 91 | 87 | 80 | 72 | 66 | 79 |
| Avg low °F | 41 | 45 | 50 | 56 | 64 | 70 | 73 | 73 | 69 | 60 | 50 | 44 | 58 |
| Precip in | 3.0 | 3.1 | 3.6 | 3.2 | 3.1 | 5.6 | 5.6 | 6.8 | 5.7 | 3.4 | 1.9 | 3.0 | 48.0 |
1996–2025 normals for Glynn County — the climate division Sterling sits in. All-time county record high 103.7°F (2022-06-24); record low 8.9°F (1985-01-21). Source: NOAA / National Weather Service.