Fort Pierce Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Fort Pierce, Florida during each month of the year.

The average high and low temperatures are listed below monthly and annually for the St. Lucie County 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 Fort Pierce, 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 Fort Pierce, 2010 to 2019
High °F Low °F   High °C Low °C
73 53 January 23 12
75 56 February 24 13
77 58 March 25 14
82 65 April 28 18
85 70 May 29 21
88 73 June 31 23
90 75 July 32 24
90 75 August 32 24
88 74 September 31 23
84 70 October 29 21
79 63 November 26 17
76 60 December 24 16
82 66 Year 28 19
30-year temperature averages for Fort Pierce, 1981 to 2010
High °F Low °F   High °C Low °C
72 52 January 22 11
74 54 February 23 12
77 58 March 25 14
80 62 April 27 17
85 69 May 29 21
88 73 June 31 23
90 74 July 32 23
90 74 August 32 24
88 74 September 31 23
84 69 October 29 21
79 61 November 26 16
74 55 December 23 13
82 65 Year 28 18

Days of Hot Weather in Fort Pierce

About half of summer days at Fort Pierce have temperatures peaking in the 90s Fahrenheit. Spring and fall months also see an occasional day of 90-degree weather.

But it doesn't normally get any hotter. Temperatures topping 100 °F (over 38 °C) are not expected here.

Days per month in Fort Pierce of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 21 4 0
February 21 5 0
March 21 9 0
April 29 16 0
May 31 28 3
June 30 30 7
July 31 31 14
August 31 31 13
September 30 30 6
October 31 27 1
November 28 13 0
December 24 5 0
Year 333 228 44

How Often Fort Pierce Has Cold Temperatures

The temperature at Fort Pierce drops to 40 °F or lower on only nine nights a year. Yet some of those nights can get quite chilly.

The city averages two nights a winter of freezing temperatures. About once a decade, the thermometer does drop to 20 °F (-8 °C) or less. Even after such a crisp night, the next day always warms up enough to thaw everything out.

Days per month on average in Fort Pierce when the minimum temperature drops to 40 or 50 °F or lower
  40 °F
4 °C
50 °F
10 °C
January 4 13
February 2 9
March 1 6
April 0 2
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 3
December 2 10
Year 9 43
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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