Iona weather in August

In August, Iona sees average daytime highs of 86°F and overnight lows near 79°F, with 5.2 in of rain across 20.8 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 18 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Iona's 11th-clearest and 11th-windiest month. For the whole year in context, see Iona's year-round climate.

Daytime high
86°
1st warmest
Overnight low
79°
12th coldest
Rainfall
5.2 in
20.8 wet days
Daylight
12 h 54 min
6:04 AM – 7:00 PM
Cloud cover
67%
11th clearest
Wind
7 mph
11th windiest
Solar energy
5.77 kWh/m²
Travel score
3.6
out of 10

Iona is census-designated place in Lee County, Florida, United States.

Density
580/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 86°F through the month.

A typical August day in Iona reaches about 86°F in the afternoon and slips back to 79°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 84°F and 89°F. Set against its neighbours, August runs on par with July and on par with September.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18679
28679
38679
48679
58679
68679
78679
88679
98679
108679
118679
128779
138779
148779
158779
168779
178779
188779
198779
208779
218779
228779
238779
248779
258679
268679
278679
288679
298679
308679
318679

How August really feels in Iona

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Iona weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan70° / 59°1.84.910.57.5
Feb72° / 61°1.44.411.17.8
Mar75° / 64°1.64.811.88.1
Apr79° / 69°1.75.812.67.7
May83° / 74°2.48.313.36.4
Jun85° / 78°5.618.213.64.2
Jul86° / 79°4.92013.53.8
Aug86° / 79°5.220.812.93.6
Sep85° / 78°5.618.212.24.1
Oct82° / 73°2.88.511.46.4
Nov77° / 67°1.33.710.78.1
Dec73° / 62°1.44.310.47.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53763
63763
73763
83862
93961
104060
114159
124060
134159
144258
154258
164258
174258
184258
194159
204258
214258
224159
234060
244060
253961
263961
273763
283763
293763
303763
313664

Chance of precipitation in August

Any precipitation

Iona gets around 5.2 in of rain over 20.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 67% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
367
467
567
667
767
867
967
1067
1167
1267
1367
1467
1567
1667
1767
1867
1967
2067
2168
2268
2368
2468
2568
2668
2768
2868
2968
3068
3168

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
104456
204357
304258
404258
504159
604060
704060
804060
903961
1003961
1103961
1213960
1314059
1414059
1514158
1614257
1714257
1814356
1914455
2014554
2114554
2214653
2314752
2414851
2514950
2615049
2715148
2815247
2915346
3015445
3115544

Wind in August

Winds average 7 mph in August.

Across August, 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 18 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over August. Sunrise moves from 5:56 AM to 6:11 AM, and sunset from 7:12 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:567:12
213.25:577:11
313.25:577:10
413.25:587:10
513.25:587:09
613.25:597:08
713.15:597:08
813.16:007:07
913.16:007:06
1013.16:017:05
1113.16:017:05
1213.06:027:04
1313.06:027:03
1413.06:037:02
1513.06:037:01
1612.96:047:00
1712.96:046:59
1812.96:056:58
1912.96:056:57
2012.86:066:57
2112.86:066:56
2212.86:076:55
2312.86:076:54
2412.86:076:53
2512.76:086:52
2612.76:086:50
2712.76:096:49
2812.76:096:48
2912.66:106:47
3012.66:106:46
3112.66:116:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.77 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.71 kWh/m² in May across the year — August's 5.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Hazard calendar for Iona

In seasonPeak

In August, Iona sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

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

Iona's rainy season runs June–October, 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 August a good time to visit Iona?

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

3.6
Sightseeing
12th-best month of the year
5.1
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Iona.

What to pack for Iona in August

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

In August, Iona sees daytime highs around 86°F and nights near 79°F. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Iona in August

The nearest coast averages about 86°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 11 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 Iona in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Iona peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 17UV 11Dec 17UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr10Very high
May10Very high
Jun10Extreme
Jul12Extreme
Aug10Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Iona in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Iona 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 Iona?

Iona sits at 26.5°N, 82.0°W, 7 ft above sea level, in United States. The nearest listed city is Cape Coral, 3.1 mi away.

Topography around Iona

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

Within 2 miles, the terrain around Iona has only modest variations in elevation — a maximum elevation change of 39 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 89 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 164 ft.

The land around Iona is covered by water (42%) and artificial surfaces (28%) within 2 miles, water (41%) and artificial surfaces (23%) within 10 miles, and water (37%), trees (30%) and grassland (20%) within 50 miles.

2 miles
39 ft
10 miles
89 ft
50 miles
164 ft
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Cape Coral 3.1 mi · Fort Myers 11 mi · San Carlos Park 11 mi · Estero 11 mi · North Fort Myers 11 mi · Bonita Springs 17 mi · Lehigh Acres 22 mi · Naples 28 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 Iona (26.5204°, -81.964°, elevation 7 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).