Fort Myers weather in May

In May, Fort Myers sees average daytime highs of 87°F and overnight lows near 71°F, with 2.9 in of rain across 9.5 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Fort Myers's 5th-clearest and 8th-windiest month. For the whole year in context, see Fort Myers's year-round climate.

Daytime high
87°
5th warmest
Overnight low
71°
8th coldest
Rainfall
2.9 in
9.5 wet days
Daylight
13 h 18 min
5:44 AM – 7:03 PM
Cloud cover
45%
5th clearest
Wind
7 mph
8th windiest
Solar energy
6.56 kWh/m²
Travel score
4.9
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 May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 87°F through the month.

A typical May day in Fort Myers reaches about 87°F in the afternoon and slips back to 71°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 91°F. Set against its neighbours, May runs about 4°F warmer than April and on par with June.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18569
28569
38569
48669
58670
68670
78670
88670
98770
108770
118771
128771
138771
148771
158771
168771
178772
188772
198772
208772
218772
228773
238873
248873
258873
268873
278873
288874
298874
308874
318874

How May really feels in Fort Myers

Once humidity and wind are folded in, May averages 16 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
16
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Fort Myers weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57327
67327
77327
87327
97327
107327
117228
127228
137129
147129
157030
167030
176931
186832
196733
206634
216634
226634
236535
246436
256436
266238
276139
286040
295941
305743
315644

Chance of precipitation in May

Any precipitation

Fort Myers gets around 2.9 in of rain over 9.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
122
221
321
421
521
621
721
822
923
1024
1125
1226
1327
1429
1531
1632
1734
1835
1936
2037
2138
2239
2340
2441
2542
2643
2744
2846
2947
3049
3151

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
19162336170
28162337170
38152337170
47152337170
57152338180
66152338180
76142339180
85142339190
95132340190
104132340200
114122340200
123122341210
133112341220
142102341230
15292341240
16282341250
17282341270
18172341280
19162240300
20162240310
21152139330
22152039350
23141938370
24141837391
25131736421
26031635441
27031534471
28021334501
29021232522
30021131542
3101929583

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:55 AM to 5:39 AM, and sunset from 6:54 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:556:54
213.05:546:55
313.05:536:55
413.15:526:56
513.15:526:57
613.15:516:57
713.15:506:58
813.15:496:58
913.25:496:59
1013.25:486:59
1113.25:477:00
1213.25:477:00
1313.25:467:01
1413.35:467:02
1513.35:457:02
1613.35:447:03
1713.35:447:03
1813.35:437:04
1913.45:437:04
2013.45:427:05
2113.45:427:06
2213.45:427:06
2313.45:417:07
2413.45:417:07
2513.55:407:08
2613.55:407:08
2713.55:407:09
2813.55:397:09
2913.55:397:10
3013.55:397:10
3113.55:397:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.56 kWh/m² — the sunniest month for solar.

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 — May's 6.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Fort Myers

In seasonPeak

None of Fort Myers's seasonal hazards are active in May. 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 May a good time to visit Fort Myers?

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

4.9
Sightseeing
8th-best month of the year
6.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Fort Myers for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fort Myers in May

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

In May, Fort Myers sees daytime highs around 87°F and nights near 71°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Fort Myers in May

The nearest coast averages about 80°F in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).