Fleming Island climate — normals and trends
Fleming Island (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 1,078 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (26.8 °C on average) and the coldest is January (12.5 °C). Rainfall peaks in August.
Fleming Island averages 7 frost days, 105 hot days (≥ 30 °C) and 142 rainy days per year.
Fleming Island has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.7 °C (on 1 June 1945) and the coldest -11.6 °C (on 21 January 1985).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Fleming IslandFlorida
- coords
- 30.09°, -81.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.3°C
Average daily high
25.7°C
Average daily low
15.9°C
Annual rainfall
1,078mm
Sunshine / day
9.8h
Mean relative humidity
76%
Average peak wind
14.4km/h
Seasonal range
14.3°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
105 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.4 °C
Average feels-like low
16.4 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
140 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.26 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
39.7 °C
1 June 1945
Coldest day
-11.6 °C
21 January 1985
Wettest day
135 mm
16 September 1945
Windiest day
56.7 km/h
11 September 2017
Strongest gust
153.0 km/h
19 October 1944
Hottest feels-like
44.7 °C
1 August 1999
Coldest feels-like
-18.2 °C
21 January 1985
Snowiest day
1.9 cm
23 December 1989
Sunniest day
13.1 h
21 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 16.1 °C | -2.2 °C | 87 mm | +24 mm |
| Feb | 22.7 °C | +2.9 °C | 40 mm | -28 mm |
| Mar | 24.2 °C | +1.5 °C | 78 mm | -1 mm |
| Apr | 28.3 °C | +2.4 °C | 17 mm | -41 mm |
| May | 31.7 °C | +2.5 °C | 138 mm | +66 mm |
| Jun | 32.2 °C | +1.1 °C | 145 mm | +16 mm |
| Jul | 33.1 °C | +1.3 °C | 165 mm | +14 mm |
| Aug | 31.6 °C | +0.2 °C | 297 mm | +141 mm |
| Sep | 29.6 °C | -0.1 °C | 84 mm | -47 mm |
| Oct | 25.8 °C | -0.6 °C | 116 mm | +45 mm |
| Nov | 24.0 °C | +1.5 °C | 2 mm | -43 mm |
| Dec | 20.7 °C | +1.2 °C | 52 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Fleming Island?
Fleming Island has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 1,078 mm of precipitation per year.
What is the hottest day ever recorded in Fleming Island?
The hottest day measured in Fleming Island between 1940 and 2025 was 1 June 1945, reaching 39.7 °C.
What is the coldest day in Fleming Island?
The coldest day measured in Fleming Island between 1940 and 2025 was 21 January 1985, at -11.6 °C.
Does it snow in Fleming Island?
Almost never: Fleming Island sees virtually no snow, with about 7 frost days per year.
Has the climate of Fleming Island warmed?
Yes: Fleming Island warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fleming Island?
The wettest day measured in Fleming Island between 1940 and 2025 was 16 September 1945, with 135 mm of rain in 24 hours.
What was the windiest day in Fleming Island?
The windiest day measured in Fleming Island between 1940 and 2025 was 11 September 2017, with winds reaching 56.7 km/h.
What is the warmest month in Fleming Island?
The warmest month in Fleming Island is July (26.8 °C on average); the coldest is January (12.5 °C).
How much does it rain in Fleming Island?
Fleming Island receives on average 1,078 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Fleming Island?
Fleming Island gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fleming Island?
The heaviest 24-hour snowfall measured in Fleming Island between 1940 and 2025 was 23 December 1989, with 1.9 cm.
Are there tropical nights in Fleming Island?
Yes: Fleming Island has on average 140 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fleming Island?
In Fleming Island, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 1 August 1999, and the lowest was -18.2 °C on 21 January 1985.
Compare Fleming Island with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fleming Island