Fort Myers weather in December

In December, Fort Myers sees average daytime highs of 76°F and overnight lows near 60°F, with 1.3 in of rain across 4.3 wet days and about 10.4 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 74°F by the end. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Fort Myers's 6th-clearest and 5th-windiest month. For the whole year in context, see Fort Myers's year-round climate.

Daytime high
76°
10th warmest
Overnight low
60°
3rd coldest
Rainfall
1.3 in
4.3 wet days
Daylight
10 h 18 min
7:13 AM – 5:34 PM
Cloud cover
48%
6th clearest
Wind
8 mph
5th windiest
Solar energy
3.4 kWh/m²
Travel score
8.0
out of 10

Fort Myers is city and county seat of Lee County, Florida, United States.

Density
584/km²
people per km²
Founded
1886

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 77°F in the first days to 74°F by the end.

A typical December day in Fort Myers reaches about 76°F in the afternoon and slips back to 60°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 82°F. Set against its neighbours, December runs about 4°F cooler than November and about 2°F warmer than January.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17761
27761
37761
47761
57761
67761
77761
87660
97660
107660
117660
127660
137660
147660
157660
167559
177559
187559
197559
207559
217559
227559
237559
247458
257458
267458
277458
287458
297458
307458
317458

How December really feels in Fort Myers

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Fort Myers weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan73° / 56°1.85.310.57.8
Feb76° / 58°1.44.711.18.0
Mar79° / 62°1.74.911.87.7
Apr83° / 66°2.06.412.66.6
May87° / 71°2.99.513.34.9
Jun88° / 76°6.920.913.63.3
Jul89° / 77°6.523.113.52.9
Aug89° / 77°6.524.112.92.8
Sep88° / 76°6.119.712.23.5
Oct84° / 71°2.98.911.45.7
Nov80° / 64°1.34.210.77.7
Dec76° / 60°1.34.310.48.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
66832
76733
86733
96634
106535
116535
126436
136337
146238
156040
166040
175941
185842
195941
205842
215842
225743
235743
245743
255644
265644
275743
285644
295644
305743
315743

Chance of precipitation in December

Any precipitation

Fort Myers gets around 1.3 in of rain over 4.3 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
614
714
814
914
1014
1114
1215
1315
1415
1515
1615
1715
1815
1915
2015
2115
2215
2315
2415
2515
2615
2715
2815
2916
3016
3116

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1261827217
2271827217
3271827216
4281727226
5281727226
6281627226
7291527236
8291527236
9301527236
10301526236
11311426245
12311426245
13321425245
14331425235
15341424235
16351424235
17351424235
18361423225
19371423225
20371423224
21371423214
22371523214
23371523214
24371522214
25371522214
26371622214
27361622224
28361622224
29361622224
30361621224
31371621224

Wind in December

Winds average 8 mph in December.

Across December, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17light breeze
27light breeze
37light breeze
47light breeze
57light breeze
67light breeze
77light breeze
87light breeze
97light breeze
107light breeze
117light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:04 AM to 7:20 AM, and sunset from 5:31 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:045:31
210.47:045:31
310.47:055:31
410.47:065:31
510.47:065:31
610.47:075:31
710.47:085:31
810.47:095:31
910.47:095:32
1010.47:105:32
1110.47:105:32
1210.47:115:32
1310.37:125:33
1410.37:125:33
1510.37:135:33
1610.37:135:34
1710.37:145:34
1810.37:155:34
1910.37:155:35
2010.37:165:35
2110.37:165:36
2210.37:175:36
2310.37:175:37
2410.37:175:37
2510.37:185:38
2610.37:185:38
2710.37:195:39
2810.37:195:39
2910.37:195:40
3010.37:205:40
3110.37:205:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 6.56 kWh/m² in May across the year — December's 3.4 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in December

Hazard calendar for Fort Myers

In seasonPeak

None of Fort Myers's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Fort Myers sits in the Atlantic hurricane belt; the season peaks August–October.

Fort Myers's rainy season runs June–September, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Fort Myers?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.0
Sightseeing
1st-best month of the year
6.8
Beach & pool
7th-best month of the year

December is one of the better times to visit Fort Myers for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fort Myers in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Fort Myers sees daytime highs around 76°F and nights near 60°F. Worth packing: light clothes. About 4 days see rain.

light clothes

Sea temperature near Fort Myers in December

The nearest coast averages about 71°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 mi away) is warmest in August at about 86°F and coldest in January near 68°F.

It's comfortable for a long swim from Feb 11 to Jan 16 — about 11.2 months when the water holds above 68°F.

70°80°90°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan68Cool
Feb68Refreshing
Mar71Refreshing
Apr76Warm
May80Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep85Tropical
Oct81Warm
Nov75Warm
Dec71Refreshing

UV index in Fort Myers in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fort Myers peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 16UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Fort Myers in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Fort Myers is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Good
Apr10Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Fort Myers?

Fort Myers sits at 26.6°N, 81.8°W, 10 ft above sea level, in United States. The nearest listed city is North Fort Myers, 3.7 mi away.

Topography around Fort Myers

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Fort Myers.

Within 2 miles, the terrain around Fort Myers has only modest variations in elevation — a maximum elevation change of 62 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 105 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 253 ft.

The land around Fort Myers is covered by artificial surfaces (48%) and trees (30%) within 2 miles, trees (37%), artificial surfaces (28%) and grassland (22%) within 10 miles, and trees (32%), water (30%) and grassland (25%) within 50 miles.

2 miles
62 ft
10 miles
105 ft
50 miles
253 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: North Fort Myers 3.7 mi · Cape Coral 8.1 mi · Iona 11 mi · San Carlos Park 11 mi · Estero 13 mi · Lehigh Acres 13 mi · Bonita Springs 20 mi · Punta Gorda 25 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Fort Myers (26.6217°, -81.8406°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).