Jacksonville, FL climate
Jacksonville has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 44°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Jacksonville feels like
Winter
Spring
Summer
Fall
Jacksonville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 66° | 44° | 3.2" | 0 | 8 | 0 | 48° – 61° |
| February | 69° | 47° | 2.8" | 0 | 8 | 0 | 49° – 66° |
| March | 74° | 51° | 3.3" | 0 | 8 | 0 | 57° – 70° |
| April | 80° | 57° | 2.9" | 0 | 6 | 0 | 63° – 73° |
| May | 86° | 64° | 3.1" | 0 | 7 | 0 | 71° – 79° |
| June | 90° | 71° | 7.0" | 0 | 14 | 0 | 77° – 85° |
| July | 92° | 73° | 5.9" | 0 | 14 | 0 | 81° – 85° |
| August | 91° | 73° | 6.7" | 0 | 15 | 0 | 79° – 85° |
| September | 87° | 71° | 6.8" | 0 | 12 | 0 | 76° – 82° |
| October | 81° | 62° | 4.2" | 0 | 8 | 0 | 68° – 76° |
| November | 73° | 52° | 2.2" | 0 | 7 | 0 | 58° – 70° |
| December | 68° | 47° | 2.7" | 0 | 8 | 0 | 47° – 67° |
| Year | 80° | 59° | 50.9" | 0.0" | 114 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Jacksonville
Jacksonville gets 51 inches of rain and melted snow a year. June is the wettest month and November the driest. Rain or snow falls on about 114 days a year.
About 288 frost-free days a year
In half of years the last 32° night comes by February 25 and the first one by December 7. That leaves about 288 frost-free days for gardens, longer than 94% of U.S. towns.
Heating and cooling a home in Jacksonville
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Jacksonville, 30% of that work is heating and 70% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Jacksonville and its neighbors
Jacksonville borders 10 towns with climate data. January nights across them vary by 4.5°. Nassau Village-Ratliff has both the coldest January nights (42°) and the hottest July afternoons (92°). Jacksonville’s January low is 44° and its July high 92°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Jacksonville compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Jacksonville averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is larger than in 69% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Jacksonville’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 47° to 67°. July is the most reliable, staying within 4°.
Common questions about Jacksonville’s climate
What is the coldest month in Jacksonville?
January, with a typical high of 66° and a low of 44°.
What is the hottest month in Jacksonville?
July, with a typical high of 92° and a low of 73°. About 80 days a year reach 90°.
How much snow does Jacksonville get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Jacksonville?
In half of years the first 32° night comes by December 7, and the last spring frost by February 25.
What is the rainiest month in Jacksonville?
June, with 7.0 inches of rain and melted snow. The year totals 51 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Jacksonville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Jacksonville, FL (11 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.