Climate averages 1991–2020
Jacksonville weather
in January.
A mild, moderately wet month: the coolest and the joint 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in Jacksonville: daytime highs average 17.3°C and nights cool to about 8.8°C. By daytime temperature it is the coolest month of the year.
Expect about 66 mm of rain on roughly 7 days, which makes January a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 25 min on an average January day.
The nearest other city in this atlas is Palm Coast (94 km away). In January its highs average 18.7°C, 1.4°C warmer than Jacksonville, with 56 mm of rain.
Among the 498 cities listed in the United States, Jacksonville ranks 92nd of 498 for the warmest January highs and joint 197th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Jacksonville is 7.8°C warmer than that mean.
From January to February, average highs rise by 1.9°C to 19.2°C, and monthly rainfall falls from 66 mm to 63 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Jacksonville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 17.3°C8.8°C | 8.8°C | 66 | 7.3 | 10.410 h |
| February | 19.2°C10.3°C | 10.3°C | 63 | 6.9 | 11.111 h |
| March | 22.2°C12.6°C | 12.6°C | 76 | 7.5 | 12.012 h |
| April | 25.6°C15.9°C | 15.9°C | 58 | 6.9 | 12.913 h |
| May | 29.0°C19.6°C | 19.6°C | 66 | 8.9 | 13.714 h |
| June | 30.7°C22.9°C | 22.9°C | 131 | 18.9 | 14.114 h |
| July | 31.7°C24.1°C | 24.1°C | 125 | 20.4 | 13.914 h |
| August | 30.9°C24.1°C | 24.1°C | 141 | 21.6 | 13.213 h |
| September | 29.0°C22.8°C | 22.8°C | 121 | 15.8 | 12.412 h |
| October | 25.7°C18.7°C | 18.7°C | 70 | 9.2 | 11.511 h |
| November | 21.6°C13.7°C | 13.7°C | 42 | 6.0 | 10.711 h |
| December | 18.6°C10.6°C | 10.6°C | 58 | 6.5 | 10.210 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Palm Coast in JanuaryUnited States · 94 kmHigh 18.7°C · Low 11.8°C · 56 mm rain
- Gainesville in JanuaryUnited States · 99 kmHigh 18.6°C · Low 8.8°C · 74 mm rain
- Daytona Beach in JanuaryUnited States · 139 kmHigh 19.8°C · Low 12.1°C · 61 mm rain
- Deltona in JanuaryUnited States · 164 kmHigh 20.2°C · Low 11.2°C · 55 mm rain
- Alafaya in JanuaryUnited States · 201 kmHigh 20.5°C · Low 11.4°C · 54 mm rain
- Orlando in JanuaryUnited States · 201 kmHigh 20.6°C · Low 10.9°C · 56 mm rain
- Savannah in JanuaryUnited States · 202 kmHigh 15.1°C · Low 6.5°C · 88 mm rain
- Spring Hill in JanuaryUnited States · 223 kmHigh 20.0°C · Low 10.8°C · 64 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Jacksonville) is explained once on the Jacksonville year overview and on the Sources, method and limits page.