NWS Jacksonville » Climate Page » St. Simons Island Normals for July
| SSI | June Normals | July Normals | August Normals |
| June Records | July Records | August Records |
| St. Simons Island Normals for July | |||||||
| Day | High | Low | Avg | Pcpn | Year To Date | HDD | CDD |
| 01 | 90 | 75 | 82 | 0.13 | 19.89 | 00 | 17 |
| 02 | 90 | 75 | 82 | 0.13 | 20.02 | 00 | 17 |
| 03 | 90 | 75 | 82 | 0.12 | 20.14 | 00 | 17 |
| 04 | 90 | 75 | 82 | 0.13 | 20.27 | 00 | 17 |
| 05 | 90 | 75 | 83 | 0.13 | 20.40 | 00 | 17 |
| 06 | 90 | 75 | 83 | 0.13 | 20.53 | 00 | 18 |
| 07 | 90 | 75 | 83 | 0.13 | 20.66 | 00 | 18 |
| 08 | 90 | 75 | 83 | 0.13 | 20.79 | 00 | 18 |
| 09 | 90 | 75 | 83 | 0.14 | 20.93 | 00 | 18 |
| 10 | 90 | 75 | 83 | 0.14 | 21.07 | 00 | 18 |
| 11 | 91 | 75 | 83 | 0.13 | 21.20 | 00 | 18 |
| 12 | 91 | 75 | 83 | 0.14 | 21.34 | 00 | 18 |
| 13 | 91 | 75 | 83 | 0.12 | 21.46 | 00 | 18 |
| 14 | 91 | 75 | 83 | 0.12 | 21.58 | 00 | 18 |
| 15 | 91 | 75 | 83 | 0.12 | 21.70 | 00 | 18 |
| 16 | 91 | 75 | 83 | 0.13 | 21.83 | 00 | 18 |
| 17 | 91 | 75 | 83 | 0.12 | 21.95 | 00 | 18 |
| 18 | 91 | 76 | 83 | 0.12 | 22.07 | 00 | 18 |
| 19 | 91 | 76 | 83 | 0.14 | 22.21 | 00 | 18 |
| 20 | 91 | 76 | 83 | 0.13 | 22.34 | 00 | 18 |
| 21 | 91 | 76 | 83 | 0.13 | 22.47 | 00 | 18 |
| 22 | 91 | 76 | 83 | 0.13 | 22.60 | 00 | 18 |
| 23 | 91 | 76 | 83 | 0.14 | 22.74 | 00 | 18 |
| 24 | 91 | 76 | 83 | 0.13 | 22.87 | 00 | 18 |
| 25 | 91 | 76 | 83 | 0.14 | 23.01 | 00 | 18 |
| 26 | 91 | 76 | 83 | 0.14 | 23.15 | 00 | 18 |
| 27 | 91 | 76 | 83 | 0.14 | 23.29 | 00 | 18 |
| 28 | 90 | 76 | 83 | 0.13 | 23.42 | 00 | 18 |
| 29 | 90 | 76 | 83 | 0.14 | 23.56 | 00 | 18 |
| 30 | 90 | 76 | 83 | 0.14 | 23.70 | 00 | 18 |
| 31 | 90 | 76 | 83 | 0.14 | 23.84 | 00 | 18 |
| Month | 90.4 | 75.3 | 82.8 | 4.08 | 23.84 | 0000 | 0553 |
| Season | - | - | - | - | - | 0000 | 1012 |