NWS Jacksonville » Climate Page » Jacksonville Normals for December
| JAX | November Normals | December Normals | January Normals |
| November Records | December Records | January Records |
| Jacksonville Normals for December | |||||||
| Day | High | Low | Avg | Pcpn | Year To Date | HDD | CDD |
| 01 | 70 | 47 | 58 | 0.08 | 49.67 | 08 | 01 |
| 02 | 69 | 47 | 57 | 0.09 | 49.76 | 08 | 01 |
| 03 | 69 | 47 | 57 | 0.09 | 49.85 | 08 | 01 |
| 04 | 69 | 46 | 57 | 0.09 | 49.94 | 08 | 01 |
| 05 | 69 | 46 | 57 | 0.09 | 50.03 | 09 | 01 |
| 06 | 69 | 46 | 56 | 0.09 | 50.12 | 09 | 01 |
| 07 | 68 | 46 | 56 | 0.09 | 50.21 | 09 | 01 |
| 08 | 68 | 45 | 56 | 0.08 | 50.29 | 09 | 01 |
| 09 | 68 | 45 | 56 | 0.09 | 50.38 | 09 | 01 |
| 10 | 68 | 45 | 56 | 0.08 | 50.46 | 09 | 01 |
| 11 | 67 | 45 | 55 | 0.09 | 50.55 | 10 | 01 |
| 12 | 67 | 45 | 55 | 0.09 | 50.64 | 10 | 01 |
| 13 | 67 | 44 | 55 | 0.09 | 50.73 | 10 | 01 |
| 14 | 67 | 44 | 55 | 0.08 | 50.81 | 10 | 01 |
| 15 | 67 | 44 | 55 | 0.09 | 50.90 | 10 | 01 |
| 16 | 66 | 44 | 55 | 0.09 | 50.99 | 11 | 01 |
| 17 | 66 | 44 | 55 | 0.09 | 51.08 | 11 | 01 |
| 18 | 66 | 43 | 55 | 0.10 | 51.18 | 11 | 01 |
| 19 | 66 | 43 | 55 | 0.10 | 51.28 | 11 | 01 |
| 20 | 66 | 43 | 55 | 0.10 | 51.38 | 11 | 01 |
| 21 | 66 | 43 | 55 | 0.10 | 51.48 | 11 | 01 |
| 22 | 65 | 43 | 54 | 0.10 | 51.58 | 12 | 01 |
| 23 | 65 | 43 | 54 | 0.09 | 51.67 | 12 | 01 |
| 24 | 65 | 42 | 54 | 0.10 | 51.77 | 12 | 00 |
| 25 | 65 | 42 | 54 | 0.09 | 51.86 | 12 | 00 |
| 26 | 65 | 42 | 54 | 0.10 | 51.96 | 12 | 00 |
| 27 | 65 | 42 | 53 | 0.08 | 52.04 | 12 | 00 |
| 28 | 65 | 42 | 53 | 0.09 | 52.13 | 12 | 00 |
| 29 | 65 | 42 | 53 | 0.08 | 52.21 | 12 | 00 |
| 30 | 65 | 42 | 53 | 0.09 | 52.30 | 12 | 00 |
| 31 | 65 | 42 | 53 | 0.09 | 52.39 | 12 | 00 |
| Month | 66.6 | 43.9 | 55.2 | 2.80 | 52.39 | 0323 | 0021 |
| Season | - | - | - | - | - | 0323 | 0021 |