NWS Jacksonville » Climate Page » St. Simons Island Normals for October
| SSI | September Normals | October Normals | November Normals |
| September Records | October Records | November Records |
| St. Simons Island Normals for October | |||||||
| Day | High | Low | Avg | Pcpn | Year To Date | HDD | CDD |
| 01 | 82 | 68 | 75 | 0.20 | 36.07 | 00 | 10 |
| 02 | 81 | 67 | 74 | 0.20 | 36.27 | 00 | 10 |
| 03 | 81 | 67 | 74 | 0.19 | 36.46 | 00 | 09 |
| 04 | 81 | 67 | 74 | 0.19 | 36.65 | 00 | 09 |
| 05 | 81 | 66 | 73 | 0.18 | 36.83 | 00 | 09 |
| 06 | 80 | 66 | 73 | 0.18 | 37.01 | 00 | 08 |
| 07 | 80 | 66 | 73 | 0.17 | 37.18 | 00 | 08 |
| 08 | 80 | 65 | 73 | 0.17 | 37.35 | 00 | 08 |
| 09 | 80 | 65 | 72 | 0.18 | 37.53 | 00 | 08 |
| 10 | 79 | 65 | 72 | 0.17 | 37.70 | 00 | 07 |
| 11 | 79 | 64 | 72 | 0.17 | 37.87 | 01 | 07 |
| 12 | 79 | 64 | 71 | 0.16 | 38.03 | 01 | 07 |
| 13 | 79 | 64 | 71 | 0.16 | 38.19 | 01 | 07 |
| 14 | 78 | 63 | 71 | 0.16 | 38.35 | 01 | 06 |
| 15 | 78 | 63 | 70 | 0.15 | 38.50 | 01 | 06 |
| 16 | 78 | 62 | 70 | 0.17 | 38.67 | 01 | 06 |
| 17 | 78 | 62 | 70 | 0.15 | 38.82 | 01 | 06 |
| 18 | 77 | 62 | 70 | 0.15 | 38.97 | 01 | 05 |
| 19 | 77 | 61 | 69 | 0.13 | 39.10 | 01 | 05 |
| 20 | 77 | 61 | 69 | 0.12 | 39.22 | 01 | 05 |
| 21 | 77 | 61 | 69 | 0.13 | 39.35 | 01 | 05 |
| 22 | 76 | 60 | 68 | 0.11 | 39.46 | 01 | 05 |
| 23 | 76 | 60 | 68 | 0.11 | 39.57 | 01 | 04 |
| 24 | 76 | 60 | 68 | 0.10 | 39.67 | 02 | 04 |
| 25 | 76 | 59 | 68 | 0.11 | 39.78 | 02 | 04 |
| 26 | 75 | 59 | 67 | 0.09 | 39.87 | 02 | 04 |
| 27 | 75 | 59 | 67 | 0.09 | 39.96 | 02 | 04 |
| 28 | 75 | 58 | 67 | 0.09 | 40.05 | 02 | 04 |
| 29 | 75 | 58 | 66 | 0.10 | 40.15 | 02 | 03 |
| 30 | 75 | 58 | 66 | 0.09 | 40.24 | 02 | 03 |
| 31 | 74 | 58 | 66 | 0.09 | 40.33 | 02 | 03 |
| Month | 77.8 | 62.5 | 70.2 | 4.46 | 40.33 | 0030 | 0190 |
| Season | - | - | - | - | - | 0030 | 0585 |