Iona weather in March
In March, Iona sees average daytime highs of 75°F and overnight lows near 64°F, with 1.6 in of rain across 4.8 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 73°F in the first days to 76°F by the end. The sky is clear or mostly clear about 56% of the time in March, and the air most often feels muggy.
Daylight stretches from about 11 h 24 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Iona's 2nd-clearest and 1st-windiest month. For the whole year in context, see Iona's year-round climate.
- Daytime high
- 75°
- 9th warmest
- Overnight low
- 64°
- 4th coldest
- Rainfall
- 1.6 in
- 4.8 wet days
- Daylight
- 11 h 48 min
- 6:43 AM – 6:32 PM
- Cloud cover
- 40%
- 2nd clearest
- Wind
- 10 mph
- 1st windiest
- Solar energy
- 5.62 kWh/m²
- Travel score
- 8.1
- 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 March
Highs climb over the month, from about 73°F in the first days to 76°F by the end.
A typical March day in Iona reaches about 75°F in the afternoon and slips back to 64°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 80°F. Set against its neighbours, March runs about 3°F warmer than February and about 4°F cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 |
| Avg low (°F) | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 67 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 73 | 62 |
| 2 | 73 | 62 |
| 3 | 73 | 62 |
| 4 | 73 | 62 |
| 5 | 73 | 62 |
| 6 | 73 | 62 |
| 7 | 73 | 62 |
| 8 | 74 | 63 |
| 9 | 74 | 63 |
| 10 | 74 | 63 |
| 11 | 74 | 63 |
| 12 | 74 | 63 |
| 13 | 74 | 63 |
| 14 | 74 | 63 |
| 15 | 74 | 64 |
| 16 | 74 | 64 |
| 17 | 75 | 64 |
| 18 | 75 | 64 |
| 19 | 75 | 64 |
| 20 | 75 | 65 |
| 21 | 75 | 65 |
| 22 | 75 | 65 |
| 23 | 76 | 65 |
| 24 | 76 | 65 |
| 25 | 76 | 65 |
| 26 | 76 | 66 |
| 27 | 76 | 66 |
| 28 | 76 | 66 |
| 29 | 76 | 66 |
| 30 | 77 | 66 |
| 31 | 77 | 67 |
How March really feels in Iona
Once humidity and wind are folded in, March 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.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Iona weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 70° / 59° | 1.8 | 4.9 | 10.5 | 7.5 |
| Feb | 72° / 61° | 1.4 | 4.4 | 11.1 | 7.8 |
| Mar | 75° / 64° | 1.6 | 4.8 | 11.8 | 8.1 |
| Apr | 79° / 69° | 1.7 | 5.8 | 12.6 | 7.7 |
| May | 83° / 74° | 2.4 | 8.3 | 13.3 | 6.4 |
| Jun | 85° / 78° | 5.6 | 18.2 | 13.6 | 4.2 |
| Jul | 86° / 79° | 4.9 | 20 | 13.5 | 3.8 |
| Aug | 86° / 79° | 5.2 | 20.8 | 12.9 | 3.6 |
| Sep | 85° / 78° | 5.6 | 18.2 | 12.2 | 4.1 |
| Oct | 82° / 73° | 2.8 | 8.5 | 11.4 | 6.4 |
| Nov | 77° / 67° | 1.3 | 3.7 | 10.7 | 8.1 |
| Dec | 73° / 62° | 1.4 | 4.3 | 10.4 | 7.9 |
Cloud cover in March
The sky is clear or mostly clear about 56% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 28%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Cloudier (%) | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 70 | 30 |
| 4 | 70 | 30 |
| 5 | 71 | 29 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 71 | 29 |
| 10 | 72 | 28 |
| 11 | 72 | 28 |
| 12 | 72 | 28 |
| 13 | 73 | 27 |
| 14 | 73 | 27 |
| 15 | 73 | 27 |
| 16 | 72 | 28 |
| 17 | 72 | 28 |
| 18 | 72 | 28 |
| 19 | 72 | 28 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 73 | 27 |
| 23 | 73 | 27 |
| 24 | 73 | 27 |
| 25 | 74 | 26 |
| 26 | 74 | 26 |
| 27 | 74 | 26 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 74 | 26 |
Chance of precipitation in March
Iona gets around 1.6 in of rain over 4.8 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 16% and peaks near 18% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 15 |
| 3 | 15 |
| 4 | 14 |
| 5 | 14 |
| 6 | 14 |
| 7 | 14 |
| 8 | 13 |
| 9 | 14 |
| 10 | 14 |
| 11 | 14 |
| 12 | 15 |
| 13 | 15 |
| 14 | 16 |
| 15 | 16 |
| 16 | 17 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 18 |
| 21 | 18 |
| 22 | 18 |
| 23 | 18 |
| 24 | 18 |
| 25 | 18 |
| 26 | 17 |
| 27 | 17 |
| 28 | 17 |
| 29 | 17 |
| 30 | 17 |
| 31 | 17 |
Humidity in March
Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
| Comfortable (%) | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 |
| Humid (%) | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 |
| Muggy (%) | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 35 | 36 |
| Oppressive (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 29 | 16 | 23 | 29 | 3 |
| 2 | 30 | 16 | 23 | 28 | 3 |
| 3 | 31 | 17 | 22 | 28 | 3 |
| 4 | 31 | 17 | 22 | 27 | 3 |
| 5 | 31 | 18 | 22 | 26 | 3 |
| 6 | 32 | 18 | 22 | 25 | 3 |
| 7 | 32 | 19 | 22 | 25 | 3 |
| 8 | 31 | 19 | 22 | 25 | 3 |
| 9 | 31 | 19 | 22 | 24 | 3 |
| 10 | 30 | 19 | 23 | 24 | 3 |
| 11 | 29 | 20 | 23 | 25 | 3 |
| 12 | 28 | 20 | 23 | 25 | 3 |
| 13 | 27 | 20 | 24 | 25 | 4 |
| 14 | 26 | 20 | 24 | 26 | 4 |
| 15 | 25 | 20 | 25 | 27 | 4 |
| 16 | 24 | 20 | 25 | 27 | 4 |
| 17 | 23 | 20 | 25 | 28 | 4 |
| 18 | 22 | 20 | 25 | 29 | 5 |
| 19 | 20 | 20 | 25 | 29 | 5 |
| 20 | 19 | 20 | 25 | 30 | 6 |
| 21 | 18 | 21 | 25 | 30 | 6 |
| 22 | 17 | 21 | 25 | 31 | 6 |
| 23 | 17 | 21 | 25 | 31 | 7 |
| 24 | 16 | 20 | 25 | 31 | 7 |
| 25 | 16 | 20 | 25 | 32 | 8 |
| 26 | 15 | 20 | 25 | 32 | 8 |
| 27 | 15 | 19 | 25 | 33 | 8 |
| 28 | 15 | 19 | 25 | 33 | 9 |
| 29 | 14 | 18 | 25 | 34 | 9 |
| 30 | 14 | 18 | 24 | 35 | 9 |
| 31 | 14 | 17 | 24 | 36 | 9 |
Wind in March
Winds average 10 mph in March, the windiest month of the year.
Across March, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 10 | light breeze |
| 2 | 10 | light breeze |
| 3 | 10 | light breeze |
| 4 | 10 | light breeze |
| 5 | 10 | light breeze |
| 6 | 10 | light breeze |
| 7 | 10 | light breeze |
| 8 | 10 | light breeze |
| 9 | 10 | light breeze |
| 10 | 10 | light breeze |
| 11 | 10 | light breeze |
| 12 | 10 | light breeze |
| 13 | 10 | light breeze |
| 14 | 10 | light breeze |
| 15 | 10 | light breeze |
| 16 | 10 | light breeze |
| 17 | 10 | light breeze |
| 18 | 10 | light breeze |
| 19 | 10 | light breeze |
| 20 | 10 | light breeze |
| 21 | 10 | light breeze |
| 22 | 10 | light breeze |
| 23 | 10 | light breeze |
| 24 | 10 | light breeze |
| 25 | 9 | light breeze |
| 26 | 9 | light breeze |
| 27 | 9 | light breeze |
| 28 | 9 | light breeze |
| 29 | 9 | light breeze |
| 30 | 9 | light breeze |
| 31 | 9 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 h 24 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over March. Sunrise moves from 6:59 AM to 6:27 AM, and sunset from 6:23 PM to 6:39 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 6:59 | 6:58 | 6:57 | 6:56 | 6:55 | 6:54 | 6:53 | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:46 | 6:44 | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 |
| Sunset (PM) | 6:23 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:59 | 6:23 |
| 2 | 11.4 | 6:58 | 6:24 |
| 3 | 11.5 | 6:57 | 6:25 |
| 4 | 11.5 | 6:56 | 6:25 |
| 5 | 11.5 | 6:55 | 6:26 |
| 6 | 11.5 | 6:54 | 6:26 |
| 7 | 11.6 | 6:53 | 6:27 |
| 8 | 11.6 | 6:52 | 6:27 |
| 9 | 11.6 | 6:51 | 6:28 |
| 10 | 11.6 | 6:50 | 6:29 |
| 11 | 11.7 | 6:49 | 6:29 |
| 12 | 11.7 | 6:48 | 6:30 |
| 13 | 11.7 | 6:47 | 6:30 |
| 14 | 11.8 | 6:46 | 6:31 |
| 15 | 11.8 | 6:44 | 6:31 |
| 16 | 11.8 | 6:43 | 6:32 |
| 17 | 11.8 | 6:42 | 6:32 |
| 18 | 11.9 | 6:41 | 6:33 |
| 19 | 11.9 | 6:40 | 6:33 |
| 20 | 11.9 | 6:39 | 6:34 |
| 21 | 11.9 | 6:38 | 6:34 |
| 22 | 12.0 | 6:37 | 6:35 |
| 23 | 12.0 | 6:36 | 6:35 |
| 24 | 12.0 | 6:34 | 6:36 |
| 25 | 12.0 | 6:33 | 6:36 |
| 26 | 12.1 | 6:32 | 6:37 |
| 27 | 12.1 | 6:31 | 6:37 |
| 28 | 12.1 | 6:30 | 6:38 |
| 29 | 12.2 | 6:29 | 6:38 |
| 30 | 12.2 | 6:28 | 6:39 |
| 31 | 12.2 | 6:27 | 6:39 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.62 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 — March's 5.62 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.1 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Iona
None of Iona's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
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.
Is March a good time to visit Iona?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March 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 March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Iona sees daytime highs around 75°F and nights near 64°F. Worth packing: light clothes and sun protection. About 5 days see rain.
Sea temperature near Iona in March
The nearest coast averages about 71°F in March — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 68 | 68 | 71 | 76 | 80 | 84 | 86 | 86 | 85 | 81 | 75 | 71 |
| Comfort | Cool | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 68 | Cool |
| Feb | 68 | Refreshing |
| Mar | 71 | Refreshing |
| Apr | 76 | Warm |
| May | 80 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 85 | Tropical |
| Oct | 81 | Warm |
| Nov | 75 | Warm |
| Dec | 71 | Refreshing |
UV index in Iona in March
Clear-sky midday UV in March peaks around 9 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 10 | 10 | 10 | 12 | 10 | 10 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 12 | Extreme |
| Aug | 10 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Iona in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 12 | 10 | 11 | 15 | 20 | 17 | 12 | 9 | 8 | 7 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 12 | Good |
| Apr | 10 | Good |
| May | 11 | Good |
| Jun | 15 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
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.
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
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).