AI-generatedMarco Island, Florida at a glance
- Best time
- Mar – May, Oct – Nov
- Warmest month
- Aug · 31°
- Warmest sea
- Aug · 30.4°
- Sunshine a year
- 2,600 h
- Rain a year
- 1,072 mm
- Climate
- Subtropical
- Time zone
- UTC−5 / UTC−4
- Elevation
- 1 m
Climate in Marco Island, Florida
Marco Island, Florida has a subtropical climate with warm summers and mild winters. August is the warmest month with average highs of 31 °C, while January is the coolest at 22 °C. With around 2,600 hours of sunshine a year, Marco Island, Florida is sunny; April is the sunniest month with 8.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: March – May, October – November
October is the peak of the hurricane season
Good forBeach & swimming
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 23°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
07:2519:00
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:11–07:56 · evening 18:29–19:14
- Blue hour
- Morning 07:02–07:11 · evening 19:14–19:23
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Marco Island, Florida in October?
In October, Marco Island, Florida is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 73 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Marco Island, Florida.
More details for October
- Daylight
- 11 h 35 min07:25 – 19:00
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 25 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 6 days30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 20 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Marco Island, Florida
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 26.8 – 28.4 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Marco Island, Florida ranges from 20.4 °C in January to 30.4 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in August, eight out of ten years were between 29.8 and 30.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 20.4° | 18.7° | 21.6° | refreshing |
| FebruaryFeb | 20.8° | 19.1° | 22.2° | refreshing |
| MarchMar | 22.5° | 21.1° | 23.9° | refreshing |
| AprilApr | 24.8° | 23.8° | 26.2° | pleasant |
| MayMay | 27.2° | 26.3° | 28.1° | warm |
| JuneJun | 29.1° | 28.4° | 29.8° | very warm |
| JulyJul | 30.0° | 29.1° | 30.7° | very warm |
| AugustAug | 30.4° | 29.8° | 30.8° | very warm |
| SeptemberSep | 29.7° | 29.1° | 30.2° | very warm |
| OctoberOct | 27.6° | 26.8° | 28.4° | warm |
| NovemberNov | 24.4° | 23.3° | 25.6° | pleasant |
| DecemberDec | 22.2° | 20.8° | 23.2° | refreshing |
Sunshine hours in Marco Island, Florida
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.6 of 11.6 hours of daylight in Marco Island, Florida, 57 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Marco Island, Florida
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 8 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in June (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 20 min
- Fair skin
- about 20 min
- Light brown skin
- about 30 min
- Olive skin
- about 40 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Marco Island, Florida: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Marco Island, Florida has about 9 rainy days with 73 mm of rain in total.
Wind and clouds in Marco Island, Florida
How breezy and how cloudy Marco Island, Florida is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Marco Island, Florida typically peaks at 16 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 49 % of the sky over Marco Island, Florida: variable cloud, with about 6.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Marco Island, Florida
How often the day gets hot in Marco Island, Florida (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Marco Island, Florida has about 6 hot days, with an average daytime high of 29 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Marco Island, Florida
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 25 days (dew point 18 °C or more).
The coolest nights are in January (15°), the warmest in August (26°). Tropical nights of 20 °C and more are the rule from April to October; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from November to March. It is muggy (dew point 18 °C or more) on about 239 days a year, mostly from March to December.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 62 | 22° | 15° | 20.4° | 6.4 h | 5 | 33 |
| FebruaryFeb | 75 | 24° | 17° | 20.8° | 6.9 h | 4 | 28 |
| MarchMar | 89 | 26° | 18° | 22.5° | 7.6 h | 5 | 36 |
| AprilApr | 95 | 28° | 20° | 24.8° | 8.4 h | 6 | 46 |
| MayMay | 89 | 30° | 23° | 27.2° | 8.4 h | 11 | 83 |
| JuneJun | 74 | 30° | 25° | 29.1° | 7.2 h | 22 | 195 |
| JulyJul | 75 | 31° | 25° | 30.0° | 7.5 h | 23 | 167 |
| AugustAug | 74 | 31° | 26° | 30.4° | 7.2 h | 24 | 172 |
| SeptemberSep | 71 | 30° | 25° | 29.7° | 6.3 h | 21 | 168 |
| OctoberOct | 85 | 29° | 23° | 27.6° | 6.6 h | 9 | 73 |
| NovemberNov | 91 | 26° | 19° | 24.4° | 6.6 h | 5 | 39 |
| DecemberDec | 78 | 24° | 17° | 22.2° | 6.3 h | 5 | 33 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
25.94° N, 81.72° W · 1 m · America/New_York
Best time to visit Marco Island, Florida
The best time to visit Marco Island, Florida is from March to May and from October to November. For a beach holiday with the sea above 21 °C, go from March to May and from October to December. For sightseeing, day trips and hiking, conditions are most comfortable from November to April. Rain is most frequent from June to September; the wettest month is June with 195 mm.
Marco Island, Florida through the seasons
How the weather changes over the seasons, with averages for each.
Marco Island, Florida in spring
Mar – May
Excellent
- 26–30 °C by day
- Sea 25 °C
- 8 h of sun a day
- 21 rainy days in all
Marco Island, Florida in summer
Jun – Aug
Good
- 30–31 °C by day
- Sea 30 °C
- 7 h of sun a day
- 68 rainy days in all
Marco Island, Florida in autumn
Sep – Nov
Excellent
- 26–30 °C by day
- Sea 27 °C
- 7 h of sun a day
- 34 rainy days in all
Marco Island, Florida in winter
Dec – Feb
Good
- 22–24 °C by day
- Sea 21 °C
- 7 h of sun a day
- 13 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Marco Island, Florida for you.
Your best months: April – May, October
Based on the climate averages; tap a month to see its details.
Compare two months in Marco Island, Florida
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
April has the better holiday weather in Marco Island, Florida: score 95 against 85. In April, days are 1 °C cooler than in October. The sea is 3 °C cooler in April. April has 3 fewer rainy days. The sun shines 2 hours longer a day in April.
| Month | October | April |
|---|---|---|
| Weather score | 85 | 95better |
| Day high | 29° | 28° |
| Night low | 23° | 20° |
| Sea | 27.6° | 24.8° |
| Sunshine | 6.6 h | 8.4 hbetter |
| Rainy days | 9 | 6better |
| Rainfall | 73 mm | 46 mmbetter |
| Muggy days | 25 | 16better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Mar – May, Oct – Dec
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Nov – Apr
15–28 °C and not too much rain
Rainy months
Jun – Sep
12 or more rainy days
Marco Island, Florida month by month
The typical weather for every month at a glance.
62January22° · Sea 20° · 6 h
In January, Marco Island, Florida is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 20.4 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is rare: about 5 days bring 33 mm in total. All in all, January is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in January75February24° · Sea 21° · 7 h
In February, Marco Island, Florida is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 20.8 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 28 mm in total. All in all, February is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in February89March26° · Sea 23° · 8 h
In March, Marco Island, Florida is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. The sea averages 22.5 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 36 mm in total. All in all, March is an excellent month for a holiday in Marco Island, Florida.
Marco Island, Florida in March95April28° · Sea 25° · 8 h
In April, Marco Island, Florida is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 24.8 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 46 mm. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Marco Island, Florida.
Marco Island, Florida in April89May30° · Sea 27° · 8 h
In May, Marco Island, Florida is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 83 mm in total. On about 15 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Marco Island, Florida.
Marco Island, Florida in May74June30° · Sea 29° · 7 h
In June, Marco Island, Florida is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It rains often – on about 22 days, adding up to 195 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in June75July31° · Sea 30° · 8 h
In July, Marco Island, Florida is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 30.0 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It rains often – on about 23 days, adding up to 167 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in July74August31° · Sea 30° · 7 h
In August, Marco Island, Florida is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 30.4 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It rains often – on about 24 days, adding up to 172 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in August71September30° · Sea 30° · 6 h
In September, Marco Island, Florida is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.7 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 21 days, adding up to 168 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in September85October29° · Sea 28° · 7 h
In October, Marco Island, Florida is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 73 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Marco Island, Florida.
Marco Island, Florida in October91November26° · Sea 24° · 7 h
In November, Marco Island, Florida is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 24.4 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is rare: about 5 days bring 39 mm in total. All in all, November is an excellent month for a holiday in Marco Island, Florida.
Marco Island, Florida in November78December24° · Sea 22° · 6 h
In December, Marco Island, Florida is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is rare: about 5 days bring 33 mm in total. All in all, December is a good month for a holiday in Marco Island, Florida.
Marco Island, Florida in DecemberMarco Island, Florida compared
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Marco Island vs. Naples
In October the holiday weather in Marco Island and Naples is about equally good (score 85 vs. 86). During the day it is about as warm in Naples as in Marco Island. The sea is about equally warm.
| in October | Marco Island | Naples |
|---|---|---|
| Holiday score | 85 | 86 |
| Daytime high | 29° | 29° |
| Sea | 28° | 28° |
| Sunshine | 7 h | 7 h |
| Rainy days | 9 | 8 |
| Best time | Mar – May, Oct – Nov | Mar – May, Oct – Nov |
Through the year
USA in October: the best places
In October, Marco Island, Florida ranks 10 among the 31 nearest destinations in this country.
- Panama City Beach25°26°90
- 2Sarasota28°27°89
- 3Clearwater Beach26°27°89
- 4Destin26°26°89
- 5Mobile26°25°87
- 6Naples29°28°86
- 7Fort Myers Beach28°28°86
- 8St. Pete Beach27°27°86
- 10Marco IslandThis page29°28°85
Planning a trip to Marco Island, Florida
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Marco Island, Florida in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Marco Island, Florida has its best school-holiday weather during the Easter holidays (score 93) and its weakest during the Christmas holidays (score 70).
- 93
Easter holidays
Mar – Apr
ExcellentBest holidays
- 27 °C by day
- Sea 24 °C
- 8.2 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 86
May half-term
May – Jun
Excellent
- 30 °C by day
- Sea 28 °C
- 8.2 h of sun a day
- 13 rainy days a month
Good for: Beach & swimming
- 74
Summer holidays
Jul – Aug
Good
- 31 °C by day
- Sea 30 °C
- 7.3 h of sun a day
- 24 rainy days a month
Keep in mind: Frequent rain, Storm season
- 85
October half-term
Oct
Excellent
- 29 °C by day
- Sea 28 °C
- 6.6 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming
Keep in mind: Storm season
- 70
Christmas holidays
Dec – Jan
Good
- 23 °C by day
- Sea 21 °C
- 6.4 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 10 min
- Distance
- 7,190 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Marco Island, Florida lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Marco Island, Florida
When is the best time to visit Marco Island, Florida?
The best time to visit Marco Island, Florida is from March to May and from October to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Marco Island, Florida?
The sea temperature in Marco Island, Florida ranges from 20.4 °C in January to 30.4 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Marco Island, Florida in October?
Yes. In October the sea averages 27.6 °C – lovely and warm for swimming.
What is the warmest month in Marco Island, Florida?
August is the warmest month, with average highs of 31 °C and nights around 26 °C. January is the coolest month at 22 °C.
When does it rain most in Marco Island, Florida?
Rain is most frequent from June to September; the wettest month is June with 195 mm. The driest month is February with 28 mm.
How many hours of sunshine does Marco Island, Florida get?
Marco Island, Florida gets around 2,600 hours of sunshine a year. The sunniest month is April with 8.4 hours a day; in September there are 6.3 hours a day.
What time zone is Marco Island, Florida in?
Marco Island, Florida uses the time zone America/New_York: UTC−5 in January and UTC−4 in July.
How long is the flight from London to Marco Island, Florida?
A nonstop flight from London to Marco Island, Florida takes about 9 h 10 min, for a straight-line distance of about 7,190 km.
When is hurricane season in Marco Island, Florida?
Marco Island, Florida lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Marco Island, Florida?
Marco Island, Florida has its best school-holiday weather during the Easter holidays (score 93) and its weakest during the Christmas holidays (score 70). Holiday ratings (0–100): Easter holidays 93, May half-term 86, Summer holidays 74, October half-term 85, Christmas holidays 70.
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