Fleming Island, FL climate
Fleming Island 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 Fleming Island feels like
Winter
Spring
Summer
Fall
Fleming Island 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° | 3.1" | 0 | 8 | 0 | 49° – 61° |
| February | 70° | 47° | 2.8" | 0 | 8 | 0 | 50° – 67° |
| March | 75° | 52° | 3.3" | 0 | 8 | 0 | 57° – 71° |
| April | 81° | 57° | 2.8" | 0 | 7 | 0 | 64° – 73° |
| May | 87° | 64° | 3.2" | 0 | 7 | 0 | 72° – 79° |
| June | 90° | 70° | 7.3" | 0 | 16 | 0 | 78° – 85° |
| July | 92° | 73° | 6.1" | 0 | 15 | 0 | 80° – 85° |
| August | 91° | 73° | 6.8" | 0 | 15 | 0 | 79° – 84° |
| September | 88° | 71° | 6.7" | 0 | 12 | 0 | 76° – 83° |
| October | 82° | 63° | 4.2" | 0 | 8 | 0 | 68° – 76° |
| November | 74° | 53° | 2.2" | 0 | 7 | 0 | 59° – 71° |
| December | 69° | 47° | 2.7" | 0 | 8 | 0 | 48° – 68° |
| Year | 80° | 59° | 51.1" | 0.0" | 120 | 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 Fleming Island
Fleming Island 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 120 days a year.
A year-round growing season
Heating and cooling a home in Fleming Island
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fleming Island, 22% of that work is heating and 78% 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.
Fleming Island and its neighbors
Fleming Island borders 3 towns with climate data. January nights across them vary by 0.5°. Lakeside has both the coldest January nights (44°) and the hottest July afternoons (92°). Fleming Island’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 Fleming Island 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 Fleming Island averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is larger than in 67% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Fleming Island’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 48° to 68°. July is the most reliable, staying within 4°.
Common questions about Fleming Island’s climate
What is the coldest month in Fleming Island?
January, with a typical high of 66° and a low of 44°.
What is the hottest month in Fleming Island?
July, with a typical high of 92° and a low of 73°. About 96 days a year reach 90°.
How much snow does Fleming Island get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Fleming Island?
Frost is uncommon. Only 80% of years see a night at 32° or below.
What is the rainiest month in Fleming Island?
June, with 7.3 inches of rain and melted snow. The year totals 51 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Fleming Island itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Jacksonville Nas, FL (10 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.