Iona in Spring

In spring (March, April and May), Iona sees average daytime highs around 79°F and overnight lows near 69°F, with 5.6 in of rain over about 19 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 73°F in early March to 84°F by late May. The sky is clear or mostly clear about 57% of the time across spring, and the air most often feels muggy.

Spring is Iona's 2nd-best season to visit on our travel score. For the whole year in context, see Iona's year-round climate.

Avg daytime high
79°F
3rd-warmest season
Avg overnight low
69°F
Rainfall
5.6 in
19 wet days
Avg wind
9 mph
Travel score
7.4
2nd-best season
Months
Mar · Apr · May

Temperature in Iona in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 73°F in early March to 84°F by late May.

A typical spring day in Iona reaches about 79°F and drops to 69°F overnight. The warmest of the three months is May, the coolest March.

50°60°70°80°90°MarAprMay

How spring really feels in Iona

Once humidity and wind are folded in, spring brings about 1 day that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
1
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Iona weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitation

Iona gets around 5.6 in of rain over 19 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 9 mph across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 24 min in early March to 13 h 30 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.3 kWh/m².

0246MarAprMay
Planning a trip in spring

Hazard calendar for Iona

In seasonPeak

None of Iona's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

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 spring a good time to visit Iona?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.4
Sightseeing
2nd-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Iona in Spring

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

In spring, Iona sees daytime highs around 79°F and nights near 69°F. Pack light clothes and sun protection. Worth having: rain gear. About 19 days see rain.

light clothessun protectionrain gear

Sea temperature near Iona in Spring

The nearest coast averages about 75°F across spring — 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 Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 Spring

GoodModeratePoorUnhealthyVery unhealthy

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