Marco Island weather in April
In April, Marco Island sees average daytime highs of 80°F and overnight lows near 69°F, with 1.6 in of rain across 5.5 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.
Highs climb over the month, from about 78°F in the first days to 81°F by the end. The sky is clear or mostly clear about 58% of the time in April, and the air most often feels muggy.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Marco Island's 2nd-clearest and 6th-windiest month. For the whole year in context, see Marco Island's year-round climate.
- Daytime high
- 80°
- 7th warmest
- Overnight low
- 69°
- 6th coldest
- Rainfall
- 1.6 in
- 5.5 wet days
- Daylight
- 12 h 36 min
- 6:09 AM – 6:45 PM
- Cloud cover
- 39%
- 2nd clearest
- Wind
- 9 mph
- 6th windiest
- Solar energy
- 6.55 kWh/m²
- Travel score
- 7.6
- out of 10
Marco Island is city in Collier County, Florida, United States.
- Founded
- 1886
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 78°F in the first days to 81°F by the end.
A typical April day in Marco Island reaches about 80°F in the afternoon and slips back to 69°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 84°F. Set against its neighbours, April runs about 4°F warmer than March and about 4°F cooler than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 78 | 78 | 78 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 82 | 82 |
| Avg low (°F) | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 72 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 78 | 67 |
| 2 | 78 | 68 |
| 3 | 78 | 68 |
| 4 | 79 | 68 |
| 5 | 79 | 68 |
| 6 | 79 | 68 |
| 7 | 79 | 68 |
| 8 | 79 | 69 |
| 9 | 79 | 69 |
| 10 | 79 | 69 |
| 11 | 79 | 69 |
| 12 | 80 | 69 |
| 13 | 80 | 69 |
| 14 | 80 | 69 |
| 15 | 80 | 69 |
| 16 | 80 | 69 |
| 17 | 80 | 70 |
| 18 | 80 | 70 |
| 19 | 80 | 70 |
| 20 | 80 | 70 |
| 21 | 80 | 70 |
| 22 | 81 | 70 |
| 23 | 81 | 70 |
| 24 | 81 | 71 |
| 25 | 81 | 71 |
| 26 | 81 | 71 |
| 27 | 81 | 71 |
| 28 | 81 | 71 |
| 29 | 82 | 71 |
| 30 | 82 | 72 |
How April really feels in Marco Island
Once humidity and wind are folded in, April 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.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Marco Island weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 72° / 61° | 1.5 | 5 | 10.6 | 7.7 |
| Feb | 73° / 62° | 1.1 | 3.9 | 11.1 | 8.1 |
| Mar | 76° / 65° | 1.3 | 4.2 | 11.8 | 8.2 |
| Apr | 80° / 69° | 1.6 | 5.5 | 12.6 | 7.6 |
| May | 84° / 74° | 2.7 | 9.1 | 13.3 | 6.0 |
| Jun | 86° / 78° | 5.9 | 19.4 | 13.6 | 4.0 |
| Jul | 87° / 79° | 5.0 | 20.8 | 13.5 | 3.6 |
| Aug | 87° / 79° | 5.5 | 21.6 | 12.9 | 3.5 |
| Sep | 86° / 78° | 5.9 | 19.7 | 12.2 | 3.9 |
| Oct | 83° / 74° | 3.1 | 9.1 | 11.4 | 6.1 |
| Nov | 78° / 68° | 1.3 | 3.8 | 10.7 | 8.0 |
| Dec | 74° / 64° | 1.1 | 4 | 10.4 | 8.1 |
Cloud cover in April
The sky is clear or mostly clear about 58% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 26%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 76 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 73 | 74 | 74 | 74 | 74 |
| Cloudier (%) | 24 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 76 | 24 |
| 2 | 75 | 25 |
| 3 | 75 | 25 |
| 4 | 75 | 25 |
| 5 | 75 | 25 |
| 6 | 75 | 25 |
| 7 | 74 | 26 |
| 8 | 74 | 26 |
| 9 | 73 | 27 |
| 10 | 73 | 27 |
| 11 | 73 | 27 |
| 12 | 72 | 28 |
| 13 | 72 | 28 |
| 14 | 72 | 28 |
| 15 | 72 | 28 |
| 16 | 73 | 27 |
| 17 | 73 | 27 |
| 18 | 73 | 27 |
| 19 | 73 | 27 |
| 20 | 73 | 27 |
| 21 | 74 | 26 |
| 22 | 74 | 26 |
| 23 | 74 | 26 |
| 24 | 74 | 26 |
| 25 | 74 | 26 |
| 26 | 73 | 27 |
| 27 | 74 | 26 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
Chance of precipitation in April
Marco Island gets around 1.6 in of rain over 5.5 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 18% and peaks near 21% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 15 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 16 |
| 3 | 16 |
| 4 | 17 |
| 5 | 17 |
| 6 | 17 |
| 7 | 18 |
| 8 | 18 |
| 9 | 18 |
| 10 | 18 |
| 11 | 18 |
| 12 | 18 |
| 13 | 18 |
| 14 | 18 |
| 15 | 18 |
| 16 | 18 |
| 17 | 18 |
| 18 | 17 |
| 19 | 17 |
| 20 | 18 |
| 21 | 18 |
| 22 | 18 |
| 23 | 19 |
| 24 | 19 |
| 25 | 20 |
| 26 | 20 |
| 27 | 21 |
| 28 | 21 |
| 29 | 21 |
| 30 | 21 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 56% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 |
| Comfortable (%) | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
| Humid (%) | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 |
| Muggy (%) | 34 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 |
| Oppressive (%) | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 12 | 16 | 24 | 34 | 13 | 0 |
| 2 | 12 | 16 | 24 | 35 | 14 | 0 |
| 3 | 11 | 15 | 24 | 36 | 14 | 0 |
| 4 | 11 | 15 | 23 | 36 | 14 | 0 |
| 5 | 11 | 15 | 23 | 37 | 14 | 0 |
| 6 | 11 | 14 | 23 | 37 | 14 | 0 |
| 7 | 11 | 14 | 22 | 38 | 15 | 0 |
| 8 | 11 | 14 | 22 | 38 | 15 | 0 |
| 9 | 11 | 14 | 22 | 38 | 15 | 0 |
| 10 | 11 | 14 | 22 | 38 | 15 | 0 |
| 11 | 11 | 14 | 21 | 38 | 15 | 0 |
| 12 | 11 | 14 | 21 | 38 | 16 | 0 |
| 13 | 10 | 14 | 21 | 38 | 16 | 0 |
| 14 | 10 | 14 | 21 | 38 | 16 | 0 |
| 15 | 10 | 14 | 21 | 37 | 16 | 1 |
| 16 | 10 | 14 | 21 | 37 | 17 | 1 |
| 17 | 10 | 14 | 22 | 37 | 17 | 1 |
| 18 | 9 | 14 | 22 | 36 | 18 | 1 |
| 19 | 9 | 14 | 22 | 36 | 18 | 1 |
| 20 | 9 | 14 | 22 | 36 | 19 | 1 |
| 21 | 8 | 14 | 22 | 36 | 20 | 1 |
| 22 | 8 | 14 | 21 | 36 | 20 | 1 |
| 23 | 7 | 14 | 21 | 36 | 21 | 1 |
| 24 | 7 | 14 | 21 | 36 | 22 | 1 |
| 25 | 6 | 13 | 21 | 36 | 23 | 1 |
| 26 | 6 | 13 | 20 | 36 | 24 | 1 |
| 27 | 5 | 13 | 20 | 37 | 25 | 1 |
| 28 | 5 | 12 | 20 | 37 | 26 | 1 |
| 29 | 4 | 12 | 19 | 38 | 26 | 1 |
| 30 | 4 | 12 | 19 | 38 | 27 | 1 |
Wind in April
Winds average 9 mph in April.
Across April, daily wind ranges from about 9 mph on the calmest days to 9 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 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 |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 9 | light breeze |
| 2 | 9 | light breeze |
| 3 | 9 | light breeze |
| 4 | 9 | light breeze |
| 5 | 9 | light breeze |
| 6 | 9 | light breeze |
| 7 | 9 | light breeze |
| 8 | 9 | light breeze |
| 9 | 9 | light breeze |
| 10 | 9 | light breeze |
| 11 | 9 | light breeze |
| 12 | 9 | light breeze |
| 13 | 9 | light breeze |
| 14 | 9 | light breeze |
| 15 | 9 | light breeze |
| 16 | 9 | light breeze |
| 17 | 9 | light breeze |
| 18 | 9 | light breeze |
| 19 | 9 | light breeze |
| 20 | 9 | light breeze |
| 21 | 9 | light breeze |
| 22 | 9 | light breeze |
| 23 | 9 | light breeze |
| 24 | 9 | 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 |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over April. Sunrise moves from 6:25 AM to 5:56 AM, and sunset from 6:38 PM to 6:52 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 6:25 | 6:24 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:58 | 5:57 | 5:56 |
| Sunset (PM) | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:25 | 6:38 |
| 2 | 12.3 | 6:24 | 6:39 |
| 3 | 12.3 | 6:22 | 6:39 |
| 4 | 12.3 | 6:21 | 6:40 |
| 5 | 12.3 | 6:20 | 6:40 |
| 6 | 12.4 | 6:19 | 6:41 |
| 7 | 12.4 | 6:18 | 6:41 |
| 8 | 12.4 | 6:17 | 6:42 |
| 9 | 12.4 | 6:16 | 6:42 |
| 10 | 12.5 | 6:15 | 6:43 |
| 11 | 12.5 | 6:14 | 6:43 |
| 12 | 12.5 | 6:13 | 6:43 |
| 13 | 12.5 | 6:12 | 6:44 |
| 14 | 12.6 | 6:11 | 6:44 |
| 15 | 12.6 | 6:10 | 6:45 |
| 16 | 12.6 | 6:09 | 6:45 |
| 17 | 12.6 | 6:08 | 6:46 |
| 18 | 12.7 | 6:07 | 6:46 |
| 19 | 12.7 | 6:06 | 6:47 |
| 20 | 12.7 | 6:05 | 6:47 |
| 21 | 12.7 | 6:04 | 6:48 |
| 22 | 12.8 | 6:03 | 6:48 |
| 23 | 12.8 | 6:02 | 6:49 |
| 24 | 12.8 | 6:01 | 6:49 |
| 25 | 12.8 | 6:00 | 6:50 |
| 26 | 12.9 | 5:59 | 6:50 |
| 27 | 12.9 | 5:58 | 6:51 |
| 28 | 12.9 | 5:58 | 6:51 |
| 29 | 12.9 | 5:57 | 6:52 |
| 30 | 12.9 | 5:56 | 6:52 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.55 kWh/m².
For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.75 kWh/m² in May across the year — April's 6.55 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.3 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.6 | Intense |
| 17 | 6.6 | Intense |
| 18 | 6.6 | Intense |
| 19 | 6.6 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.7 | Intense |
| 22 | 6.7 | Intense |
| 23 | 6.7 | Intense |
| 24 | 6.7 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
Hazard calendar for Marco Island
None of Marco Island's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Marco Island sits in the Atlantic hurricane belt; the season peaks August–October.
Marco Island's rainy season runs May–October, when most of the year's rain falls.
Is April a good time to visit Marco Island?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is one of the better times to visit Marco Island for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Marco Island in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Marco Island sees daytime highs around 80°F and nights near 69°F. Pack sun protection. Worth having: light clothes. About 6 days see rain.
Sea temperature near Marco Island in April
The nearest coast averages about 76°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 86°F and coldest in January near 69°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 69 | 69 | 72 | 76 | 81 | 84 | 86 | 86 | 85 | 82 | 76 | 72 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 69 | Refreshing |
| Feb | 69 | Refreshing |
| Mar | 72 | Refreshing |
| Apr | 76 | Warm |
| May | 81 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 85 | Tropical |
| Oct | 82 | Warm |
| Nov | 76 | Warm |
| Dec | 72 | Refreshing |
UV index in Marco Island in April
Clear-sky midday UV in April 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 Marco Island peaks around July 17 at about 12 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Very high | Extreme | 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 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Marco Island in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Marco Island 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 Marco Island?
Marco Island sits at 25.9°N, 81.7°W, 3 ft above sea level, in United States. The nearest listed city is East Naples, 14 mi away.
Topography around Marco Island
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Marco Island.
Within 2 miles, the terrain around Marco Island has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 62 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 98 ft.
The land around Marco Island is covered by water (44%) and artificial surfaces (42%) within 2 miles, water (64%) and mangroves (20%) within 10 miles, and water (44%) and trees (21%) 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 Marco Island (25.9412°, -81.7184°, elevation 3 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).