Greenville Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Greenville, South Carolina during each month of the year.

The average high and low temperatures are listed below monthly and annually for the 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 Greenville, scroll down farther. There are also monthly and yearly counts of days with cold 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 Greenville, 2010 to 2019
High °F Low °F   High °C Low °C
52 33 January 11 1
58 38 February 14 3
65 44 March 19 7
75 53 April 24 12
82 62 May 28 17
89 69 June 31 21
91 72 July 33 22
89 71 August 31 22
85 66 September 29 19
75 54 October 24 12
63 42 November 17 6
57 39 December 14 4
73 54 Year 23 12
30-year temperature averages for Greenville, 1991 to 2020
High °F Low °F   High °C Low °C
54 35 January 12 1
58 38 February 14 3
65 44 March 19 7
75 52 April 24 11
81 61 May 27 16
88 68 June 31 20
91 72 July 33 22
89 71 August 32 22
84 65 September 29 18
74 54 October 23 12
64 44 November 18 6
56 37 December 13 3
73 53 Year 23 12

Days of Hot Weather in Greenville

Throughout summer Greenville often sees temperatures in the 90s Fahrenheit. The 90-degree weather can appear anytime from April until October. But days of 100 °F (38 °C) or more are uncommon here, occurring on average only once a year.

Number of days in Greenville of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 2 0 0
February 3 0 0
March 11 2 0
April 22 9 0
May 29 19 3
June 30 28 12
July 31 30 17
August 31 30 14
September 29 21 6
October 22 8 0
November 8 1 0
December 2 0 0
Year 218 146 53

How Often Greenville Has Cold Temperatures

Greenville typically has 44 frosty nights a year, including about one-third of winter nights. Freezing temperatures can happen here any time from November until April. Normally Greenville's temperature doesn't drop any lower than the 20s Fahrenheit.

No matter how cold the city gets at night, it almost always thaws out during the day. Only once a year on average does Greenville see a day when the thermometer rises no higher than 32 °F.

Days per month on average in Greenville when the minimum temperature drops to 32 or 20 °F or less
  20 °F
-8 °C
32 °F
0 °C
January 3 15
February 1 9
March 0 4
April 0 0
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 4
December 1 12
Year 4 44
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.

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