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 1991 to 2020 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, 1991 to 2020
High °F Low °F   High °C Low °C
74 55 January 23 13
76 57 February 25 14
79 60 March 26 16
83 65 April 28 18
88 70 May 31 21
90 74 June 32 23
91 76 July 33 24
92 76 August 33 25
90 75 September 32 24
87 71 October 31 22
81 63 November 27 17
77 59 December 25 15
84 67 Year 29 19

Days of Hot Weather in Marco Island

Marco Island enjoys moderately hot temperatures in summer. The Island typically has just 81 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 22 5 0
February 23 8 0
March 28 15 0
April 30 22 1
May 31 30 5
June 30 30 14
July 31 31 19
August 31 31 20
September 30 30 15
October 31 29 6
November 28 18 0
December 25 11 0
Year 340 258 81

How Often Marco Island Has Cold Temperatures

Most winter nights have mild temperatures at Marco Island. Just four nights a year on average have lows of 40 °F or less, with one of those reaching freezing. A night dropping down to 32 °F (0 °C) and below is most likely to occur here from December to 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 2 11
February 1 6
March 0 4
April 0 1
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 2
December 1 7
Year 4 31
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 (NCEI). Climate Normals.

Florida Temperatures
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