NWS Jacksonville » Climate Page » St. Simons Island Normals for January
| SSI | December Normals | January Normals | February Normals |
| December Records | January Records | February Records |
| St. Simons Island Normals for January | |||||||
| Day | High | Low | Avg | Pcpn | Year To Date | HDD | CDD |
| 01 | 61 | 43 | 52 | 0.09 | 00.09 | 14 | 00 |
| 02 | 60 | 43 | 52 | 0.08 | 00.17 | 14 | 00 |
| 03 | 60 | 43 | 51 | 0.09 | 00.26 | 14 | 00 |
| 04 | 60 | 42 | 51 | 0.09 | 00.35 | 14 | 00 |
| 05 | 60 | 42 | 51 | 0.08 | 00.43 | 14 | 00 |
| 06 | 60 | 42 | 51 | 0.09 | 00.52 | 14 | 00 |
| 07 | 60 | 42 | 51 | 0.09 | 00.61 | 14 | 00 |
| 08 | 60 | 42 | 51 | 0.09 | 00.70 | 14 | 00 |
| 09 | 60 | 42 | 51 | 0.10 | 00.80 | 14 | 00 |
| 10 | 60 | 42 | 51 | 0.10 | 00.90 | 14 | 00 |
| 11 | 60 | 42 | 51 | 0.11 | 01.01 | 14 | 00 |
| 12 | 60 | 42 | 51 | 0.10 | 01.11 | 14 | 00 |
| 13 | 60 | 42 | 51 | 0.10 | 01.21 | 14 | 00 |
| 14 | 60 | 42 | 51 | 0.11 | 01.32 | 14 | 00 |
| 15 | 60 | 42 | 51 | 0.10 | 01.42 | 14 | 00 |
| 16 | 60 | 42 | 51 | 0.11 | 01.53 | 14 | 00 |
| 17 | 60 | 42 | 51 | 0.10 | 01.63 | 14 | 00 |
| 18 | 60 | 42 | 51 | 0.10 | 01.73 | 14 | 00 |
| 19 | 60 | 43 | 52 | 0.11 | 01.84 | 14 | 00 |
| 20 | 61 | 43 | 52 | 0.11 | 01.95 | 14 | 00 |
| 21 | 61 | 43 | 52 | 0.11 | 02.06 | 14 | 00 |
| 22 | 61 | 43 | 52 | 0.12 | 02.18 | 13 | 00 |
| 23 | 61 | 43 | 52 | 0.12 | 02.30 | 13 | 00 |
| 24 | 61 | 43 | 52 | 0.11 | 02.41 | 13 | 00 |
| 25 | 61 | 43 | 52 | 0.12 | 02.53 | 13 | 00 |
| 26 | 61 | 43 | 52 | 0.11 | 02.64 | 13 | 00 |
| 27 | 61 | 43 | 52 | 0.12 | 02.76 | 13 | 00 |
| 28 | 61 | 43 | 52 | 0.11 | 02.87 | 13 | 00 |
| 29 | 61 | 43 | 52 | 0.12 | 02.99 | 13 | 00 |
| 30 | 61 | 43 | 52 | 0.11 | 03.10 | 13 | 00 |
| 31 | 61 | 44 | 52 | 0.12 | 03.22 | 13 | 00 |
| Month | 60.5 | 42.6 | 51.5 | 3.22 | 03.22 | 0420 | 0003 |
| Season | - | - | - | - | - | 0771 | 0016 |