Photo: Michael Rivera · CC BY-SA 4.0Jacksonville has warmer summer afternoons than 89% of U.S. towns
The depth of winter brings overnight lows near 38°. Temperatures cover 54° across the year, low to high. By January nights alone, it runs milder than 86% of U.S. towns. Plan time outside from February to April and October to December, when highs sit at 63–79°.
A year in Jacksonville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jacksonville’s climate
Compared with towns across the U.S., with Jacksonville’s place in Georgia beside it.
What a year in Jacksonville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 252 frost-free days a year
In half of years the last 32° night comes by March 12 and the first by November 17. Frost and day counts come from NOAA’s station at Pridgen, GA, 9 miles from the town’s center, 130 ft higher.
The 2023 USDA map puts Jacksonville’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 19°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 47 inches of rain a year
August is the wettest month and November the driest. Rain falls on about 96 days a year. Snow is rare: about 0.1" in a normal year at Pridgen, GA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Jacksonville
47% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Pridgen, GA.
Living with Jacksonville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
252 frost-free days in zone 8b. The last frost comes by Mar 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 17.
Months with highs of 62–84° and lows of 40° or more: February, March, April, October, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Jacksonville from natural hazards, river flooding is the largest share (46%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jacksonville and similar climates
TownRatings has no climate map of the towns around Jacksonville yet.
Climates most like Jacksonville’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Jacksonville, GA | 38° | 92° | 47" | 0.1" |
| Rusk, TX | 38° | 93° | 49" | 0.1" |
| Orangeburg, SC | 35° | 92° | 47" | 0.1" |
| Shreveport, LA | 37° | 94° | 52" | 0.1" |
| Montgomery, AL | 36° | 92° | 52" | 0.3" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Jacksonville averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller shift than in 76% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Jacksonville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jacksonville’s place among Georgia’s.
Jacksonville weather by month
Highs, lows and precipitation from NOAA’s grid at Jacksonville’s center; snow, wet days and snow on the ground from Pridgen, GA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 60° | 38° | 4.1" | 0.0" | 8 | 0 | 43° – 56° |
| February | 65° | 41° | 4.0" | 0.1" | 8 | 0 | 45° – 62° |
| March | 71° | 47° | 4.5" | 0.0" | 8 | 0 | 53° – 67° |
| April | 78° | 53° | 3.3" | 0.0" | 6 | 0 | 61° – 71° |
| May | 85° | 62° | 2.8" | 0.0" | 6 | 0 | 70° – 78° |
| June | 90° | 69° | 4.8" | 0.0" | 11 | 0 | 75° – 83° |
| July | 92° | 72° | 4.9" | 0.0" | 11 | 0 | 80° – 84° |
| August | 92° | 71° | 5.1" | 0.0" | 11 | 0 | 78° – 85° |
| September | 87° | 66° | 4.0" | 0.0" | 7 | 0 | 74° – 82° |
| October | 79° | 56° | 2.7" | 0.0" | 5 | 0 | 63° – 73° |
| November | 70° | 45° | 2.7" | 0.0" | 5 | 0 | 52° – 63° |
| December | 63° | 40° | 3.9" | 0.0" | 8 | 0 | 43° – 61° |
| Year | 78° | 55° | 46.6" | 0.1" | 96 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 43° to 61°. July is the most reliable, staying within 5°.
Where Jacksonville’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Jacksonville’s center.
- Snow: Pridgen, GA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Pridgen, GA, 9 miles from the town’s center, 130 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Jacksonville’s climate
What is the weather like in Jacksonville?
A typical July afternoon reaches 92°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; hotter July afternoons than 89% of U.S. towns.
How cold does it get in Jacksonville in winter?
January nights average 38°. About 34 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 43°.
How much snow does Jacksonville get?
About 0.1 inches in a normal winter at Pridgen, GA, so most winters see none.
How hot does it get in Jacksonville?
July, with a typical high of 92° and a low of 72°. About 70 days a year reach 90° (Pridgen, GA).
When is the first and last frost in Jacksonville?
In half of years the last spring frost (32°) comes by March 12 and the first fall frost by November 17, about 252 frost-free days, at Pridgen, GA.
What growing zone is Jacksonville in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 19°.
What is the best time of year to visit Jacksonville?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Jacksonville getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 76% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Jacksonville.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.