Greensboro climate

Name: Greensboro
Address: US

Greensboro is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -0.08 °C. September is the wettest month (108 mm) and February the driest (80 mm). Figures are 1991–2020 climate normals.

Across a full year Greensboro averages 1,112 mm of rain, 134 days above 25 °C and 55 days below freezing.

United States · 266 m elevation · population 285,342 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 31 °C
Coldest month January -0.08 °C
Driest month February 80 mm
Wettest month September 108 mm
Least cloud October 46 % cloud
Hottest on record June 40 °C
Coldest on record February -18 °C

What to expectGreensboro through the year

Greensboro has a clear annual cycle: average daily highs run from 8.8 °C in January to 31 °C in July, a swing of 22 °C in mean temperature across the year.

Counted across a normal year, 134 days a year reach 25 °C, 57 of them reach 30 °C, 55 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in June.

Rain is spread fairly evenly through the year, from 80 mm in February to 108 mm in September. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	8.8 °C	92 mm	54 %
February	11.0 °C	80 mm	57 %
March	15.3 °C	106 mm	55 %
April	20.8 °C	90 mm	53 %
May	25.2 °C	91 mm	57 %
June	29.1 °C	96 mm	57 %
July	31.0 °C	99 mm	57 %
August	29.7 °C	93 mm	56 %
September	26.4 °C	108 mm	53 %
October	20.8 °C	80 mm	46 %
November	14.8 °C	84 mm	48 %
December	10.3 °C	93 mm	55 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	8.8 °C	-0.1 °C	3.7 °C	22.7 °C	-17.7 °C	0	0	17
February	11.0 °C	1.1 °C	5.3 °C	24.2 °C	-18.5 °C	0	0	13
March	15.3 °C	4.3 °C	9.2 °C	28.2 °C	-13.9 °C	1	0	7
April	20.8 °C	9.3 °C	14.6 °C	31.9 °C	-2.9 °C	6	0	1
May	25.2 °C	14.3 °C	19.4 °C	35.5 °C	2.5 °C	17	4	0
June	29.1 °C	18.8 °C	23.7 °C	39.8 °C	8.7 °C	26	12	0
July	31.0 °C	21.2 °C	25.7 °C	39.7 °C	14.4 °C	30	20	0
August	29.7 °C	20.4 °C	24.7 °C	39.7 °C	13.0 °C	29	14	0
September	26.4 °C	17.2 °C	21.4 °C	35.8 °C	6.6 °C	19	6	0
October	20.8 °C	11.1 °C	15.5 °C	34.5 °C	-0.5 °C	5	0	0
November	14.8 °C	5.3 °C	9.5 °C	26.5 °C	-5.7 °C	0	0	4
December	10.3 °C	1.7 °C	5.4 °C	23.6 °C	-11.1 °C	0	0	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	92 mm	9	10.0 h/day	54 %	70 %	16 km/h
February	80 mm	9	11 h/day	57 %	68 %	17 km/h
March	106 mm	10	12 h/day	55 %	67 %	17 km/h
April	90 mm	9	13 h/day	53 %	66 %	17 km/h
May	91 mm	12	14 h/day	57 %	69 %	15 km/h
June	96 mm	13	15 h/day	57 %	70 %	13 km/h
July	99 mm	15	14 h/day	57 %	71 %	12 km/h
August	93 mm	12	14 h/day	56 %	74 %	11 km/h
September	108 mm	10	12 h/day	53 %	74 %	13 km/h
October	80 mm	7	11 h/day	46 %	72 %	14 km/h
November	84 mm	7	10 h/day	48 %	71 %	15 km/h
December	93 mm	9	9.7 h/day	55 %	73 %	15 km/h

How Greensboro compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Greensboro	31 °C	-0.08 °C	1,112 mm	134
Durham · United States	32 °C	0.6 °C	1,130 mm	143
Cary · United States	31 °C	1.3 °C	1,166 mm	140
Raleigh · United States	31 °C	1.5 °C	1,163 mm	144
Charlotte · United States	32 °C	1.0 °C	1,087 mm	146
Fayetteville · United States	32 °C	2.5 °C	1,177 mm	157

Planning a trip? See the best time to visit Greensboro.

QuestionsCommon questions about Greensboro’s climate

When is the best time to visit Greensboro?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Greensboro get?

In July, the warmest month, daily highs average 31 °C. About 57 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average -0.08 °C in January, the coldest month. A normal year has 55 nights below freezing.

Which month is wettest in Greensboro?

September, averaging 108 mm over 10 days with rain. The driest month is February with 80 mm. The year as a whole averages 1,112 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Greensboro rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 36.073°, -79.792° , 266 m above sea level (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.