Climate in Jacksonville, Florida: Monthly Weather Averages
Jacksonville sits at 33 feet above sea level, and its climate, as recorded at the Jacksonville, FL station, runs to a yearly mean of 69.2°F. The warmest month is July, averaging 82.5°F with typical highs of 91.9°F; the coldest is January, averaging 54.2°F with lows around 42.9°F. Across a normal year the city receives 53.4 in of precipitation and 0.0 in of snow. The full month-by-month picture below comes from the official 1991–2020 U.S. Climate Normals — the 30-year averages the National Weather Service itself uses — so it describes the Jacksonville climate you should actually plan around, whether you are timing a visit, weighing a move, or just settling an argument about which month is best.
Jacksonville climate month by month
The table below is the complete 1991–2020 normals profile for Jacksonville: average high, average low and mean temperature, rainfall, and snowfall for every month. Read down the Mean column to feel the year's rhythm — Jacksonville's temperature range runs from 54.2°F in January to 82.5°F in July.
| Month | Avg High (°F) | Avg Low (°F) | Mean (°F) | Rain (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 65.5 | 42.9 | 54.2 | 3.28 | 0.0 |
| February | 68.9 | 46.1 | 57.5 | 2.86 | 0.0 |
| March | 74.3 | 50.6 | 62.4 | 3.29 | 0.0 |
| April | 79.8 | 56.4 | 68.1 | 2.93 | 0.0 |
| May | 85.9 | 63.9 | 74.9 | 3.42 | 0.0 |
| June | 89.9 | 70.7 | 80.3 | 7.60 | 0.0 |
| July | 91.9 | 73.2 | 82.5 | 6.77 | 0.0 |
| August | 90.8 | 73.4 | 82.1 | 6.88 | 0.0 |
| September | 87.2 | 70.5 | 78.8 | 7.56 | 0.0 |
| October | 80.9 | 61.5 | 71.2 | 4.03 | 0.0 |
| November | 73.2 | 51.3 | 62.3 | 2.00 | 0.0 |
| December | 67.5 | 45.8 | 56.7 | 2.78 | 0.0 |
| Year | 79.7 | 58.9 | 69.2 | 53.40 | 0.0 |
How to read the colors:below freezingcoldcoolmildwarmhot. Bands are colored by each cell's own temperature, so a whole year reads at a glance.
Jacksonville through the seasons
Winter in Jacksonville averages highs of 65.5–68.9°F and lows of 42.9–46.1°F, a seasonal mean of 56.1°F. The three months together bring 8.9 in of precipitation — about 17% of the city's yearly total — with January the wettest of the three at 3.28 in. Winters here are cool rather than harsh: chilly mornings, mild afternoons, and only occasional brushes with freezing weather.
Spring in Jacksonville averages highs of 74.3–85.9°F and lows of 50.6–63.9°F, a seasonal mean of 68.5°F. The three months together bring 9.6 in of precipitation — about 18% of the city's yearly total — with May the wettest of the three at 3.42 in. The season is a transition: the average temperature climbs 12.5°F from March to May, and by late spring Jacksonville is firmly into warm territory, with May rainfall of 3.42 in to plan around.
Summer in Jacksonville averages highs of 89.9–91.9°F and lows of 70.7–73.4°F, a seasonal mean of 81.6°F. The three months together bring 21.2 in of precipitation — about 40% of the city's yearly total — with June the wettest of the three at 7.60 in. Summers are hot in the classic sense — most afternoons reach the 90s, and shade, water, and air conditioning shape the daily routine. It is also the storm season: June alone averages 7.60 in of rain, much of it in heavy downpours.
Fall in Jacksonville averages highs of 73.2–87.2°F and lows of 51.3–70.5°F, a seasonal mean of 70.8°F. The three months together bring 13.6 in of precipitation — about 25% of the city's yearly total — with September the wettest of the three at 7.56 in. Temperatures ease off through the season — the monthly mean drops 16.5°F from September to November — and fall is when Jacksonville's weather turns cooler and wetter, while nights stay mostly frost-free into December.
Best and worst months to visit Jacksonville
Ranking every month by its normals — mild mean temperatures score best, heavy rain and snow count against — the most comfortable months to visit Jacksonville are:
AprilMayOctober
April leads the list: average highs of 79.8°F, lows of 56.4°F, and 2.93 in of rain, with snow a non-factor at 0.0 in. The other picks, May and October, offer the same balance in Jacksonville's shoulder seasons. At the other end, July is usually the month to avoid — the least comfortable mix of temperature and rainfall, with a mean temperature of 82.5°F and 6.77 in of precipitation.
How Jacksonville compares
Across the 114 cities in our dataset, the typical city averages 57.8°F for the year and 35.7 in of precipitation. Jacksonville runs 11.5°F warmer than that typical city and wetter by 17.7 in a year, ranking #19 of 114 for annual warmth and #12 of 114 for precipitation (wettest first). Its year-round temperature swing — warmest month minus coldest — is 28.3°F, which puts it in the moderate, clearly seasonal camp.
Within Florida, Jacksonville is the coolest of the cities we track. See the Florida climate overview for the full state comparison, including Key West (warmest, 78.9°F yearly mean) and Jacksonville (coolest, 69.2°F).
Planning notes for Jacksonville
For anyone relocating: average lows never drop below freezing in any month, so hard freezes are events, not seasons; 2 months average highs of 90°F or more, making air conditioning a core cost of summer life; days and nights differ by 20.8°F on average — a big desert-style swing that rewards dressing in layers year-round; 8 months of the year average between 55°F and 80°F, the band most people find comfortable without heating or cooling. Those four facts, all straight from the normals table above, shape everything from a Jacksonville wardrobe to its utility bills.
Jacksonville climate FAQ
What is the warmest month in Jacksonville?
July is the warmest month in Jacksonville, with a mean temperature of 82.5°F, average highs of 91.9°F and average lows of 73.2°F (1991–2020 normals).
What is the coldest month in Jacksonville?
January is the coldest month, averaging 54.2°F, with highs of 65.5°F and lows of 42.9°F.
How much rain does Jacksonville get in a year?
Jacksonville averages 53.40 in of precipitation a year. The wettest month is June (7.60 in) and the driest is November (2.00 in).
When is the best time of year to visit Jacksonville?
By the normals, the most comfortable months are April, May, October — mild average temperatures with moderate rainfall. July is typically the least comfortable month.
How much snow does Jacksonville get?
Jacksonville averages 0.0 in of snow a year, with January the snowiest month at 0.0 in on average.
Source: 1991–2020 U.S. Climate Normals, NOAA National Centers for Environmental Information (NCEI) — ncei.noaa.gov. Station: Jacksonville, FL (USW00013889), elevation 33 ft. Figures checked October 2026.