Marco Island Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is at Marco Island, Florida during each month of the year.

The average high and low temperatures are listed below monthly and annually for the southwest coast city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Marco Island, scroll down farther. There are also monthly and yearly counts of days with cool weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Marco Island, 2010 to 2019
High °F Low °F   High °C Low °C
73 54 January 23 12
76 58 February 25 14
78 59 March 26 15
84 66 April 29 19
87 70 May 31 21
90 75 June 32 24
91 77 July 33 25
92 77 August 33 25
90 75 September 32 24
87 71 October 31 22
81 63 November 27 17
78 60 December 25 15
84 67 Year 29 19
30-year temperature averages for Marco Island, 1981 to 2010
High °F Low °F   High °C Low °C
71 51 January 21 11
73 54 February 23 12
75 57 March 24 14
78 61 April 26 16
83 66 May 28 19
86 71 June 30 22
88 73 July 31 23
88 73 August 31 23
87 72 September 31 22
83 67 October 29 19
78 61 November 25 16
73 54 December 23 12
80 63 Year 27 17

Days of Hot Weather in Marco Island

Marco Island enjoys moderate temperatures, even in summer. The Island typically has just 16 days a year with highs in the 90s Fahrenheit. It normally doesn't get any hotter than 100 °F (38 °C) here.

Days per month in Marco Island of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 19 1 0
February 20 2 0
March 20 7 0
April 29 11 0
May 31 27 0
June 30 29 2
July 31 31 6
August 31 31 6
September 30 30 2
October 31 26 0
November 28 10 0
December 22 4 0
Year 327 208 16

How Often Marco Island Has Cold Temperatures

Most winter nights have mild temperatures at Marco Island. Just six nights a year on average have lows of 40 °F or less, with one or two of those reaching freezing. A night dropping down to 32 °F (0 °C) and below is most likely to occur here in January, but can also show up in December or February.

Days per month on average in Marco Island when the minimum temperature drops to 50 or 40 °F or lower
  40 °F
4 °C
50 °F
10 °C
January 3 13
February 1 8
March 1 5
April 0 1
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 1
November 0 3
December 2 10
Year 6 41
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)

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