NWS Jacksonville » Climate Page » St. Simons Island Normals for June
| SSI | May Normals | June Normals | July Normals |
| May Records | June Records | July Records |
| St. Simons Island Normals for June | |||||||
| Day | High | Low | Avg | Pcpn | Year To Date | HDD | CDD |
| 01 | 85 | 71 | 78 | 0.14 | 15.06 | 00 | 13 |
| 02 | 86 | 71 | 78 | 0.15 | 15.21 | 00 | 13 |
| 03 | 86 | 71 | 79 | 0.14 | 15.35 | 00 | 14 |
| 04 | 86 | 72 | 79 | 0.15 | 15.50 | 00 | 14 |
| 05 | 86 | 72 | 79 | 0.15 | 15.65 | 00 | 14 |
| 06 | 86 | 72 | 79 | 0.15 | 15.80 | 00 | 14 |
| 07 | 86 | 72 | 79 | 0.15 | 15.95 | 00 | 14 |
| 08 | 86 | 72 | 79 | 0.16 | 16.11 | 00 | 14 |
| 09 | 87 | 72 | 80 | 0.16 | 16.27 | 00 | 15 |
| 10 | 87 | 73 | 80 | 0.15 | 16.42 | 00 | 15 |
| 11 | 87 | 73 | 80 | 0.16 | 16.58 | 00 | 15 |
| 12 | 87 | 73 | 80 | 0.16 | 16.74 | 00 | 15 |
| 13 | 87 | 73 | 80 | 0.17 | 16.91 | 00 | 15 |
| 14 | 87 | 73 | 80 | 0.17 | 17.08 | 00 | 15 |
| 15 | 88 | 73 | 80 | 0.18 | 17.26 | 00 | 15 |
| 16 | 88 | 73 | 81 | 0.18 | 17.44 | 00 | 15 |
| 17 | 88 | 73 | 81 | 0.19 | 17.63 | 00 | 16 |
| 18 | 88 | 74 | 81 | 0.18 | 17.81 | 00 | 16 |
| 19 | 88 | 74 | 81 | 0.17 | 17.98 | 00 | 16 |
| 20 | 88 | 74 | 81 | 0.18 | 18.16 | 00 | 16 |
| 21 | 88 | 74 | 81 | 0.18 | 18.34 | 00 | 16 |
| 22 | 88 | 74 | 81 | 0.17 | 18.51 | 00 | 16 |
| 23 | 89 | 74 | 81 | 0.17 | 18.68 | 00 | 16 |
| 24 | 89 | 74 | 81 | 0.17 | 18.85 | 00 | 16 |
| 25 | 89 | 74 | 82 | 0.16 | 19.01 | 00 | 17 |
| 26 | 89 | 74 | 82 | 0.16 | 19.17 | 00 | 17 |
| 27 | 89 | 74 | 82 | 0.15 | 19.32 | 00 | 17 |
| 28 | 89 | 74 | 82 | 0.14 | 19.46 | 00 | 17 |
| 29 | 89 | 75 | 82 | 0.15 | 19.61 | 00 | 17 |
| 30 | 90 | 75 | 82 | 0.15 | 19.76 | 00 | 17 |
| Month | 87.5 | 73.1 | 80.3 | 4.84 | 19.76 | 0000 | 0459 |
| Season | - | - | - | - | - | 0000 | 0459 |