Greensboro climate — normals and trends
Greensboro (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 1,111 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (25.4 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in July.
Greensboro averages 57 frost days, 59 hot days (≥ 30 °C) and 124 rainy days per year.
Greensboro has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 63 to 51 per year over the period.
The hottest day of the period reached 40.8 °C (on 18 August 1988) and the coldest -20.1 °C (on 21 January 1985).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GreensboroNorth Carolina
- coords
- 36.07°, -79.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
20.5°C
Average daily low
10.3°C
Annual rainfall
1,111mm
Sunshine / day
9.1h
Mean relative humidity
70%
Average peak wind
14.5km/h
Seasonal range
21.3°C
Frost days (< 0 °C)
57 d/yr
Hot days (≥ 30 °C)
59 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
20.9 cm
Average feels-like high
20.1 °C
Average feels-like low
8.8 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
67 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.36 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.8 °C
18 August 1988
Coldest day
-20.1 °C
21 January 1985
Wettest day
109 mm
8 October 2016
Windiest day
49.5 km/h
6 September 1996
Strongest gust
117.4 km/h
29 October 2020
Hottest feels-like
43.3 °C
21 August 1983
Coldest feels-like
-26.6 °C
21 January 1985
Snowiest day
32.1 cm
22 January 1987
Sunniest day
14.2 h
1 July 2024
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.4 °C | -1.7 °C | 43 mm | -50 mm |
| Feb | 12.9 °C | +1.7 °C | 87 mm | -0 mm |
| Mar | 19.7 °C | +4.1 °C | 42 mm | -62 mm |
| Apr | 24.0 °C | +2.9 °C | 84 mm | -2 mm |
| May | 25.4 °C | +0.1 °C | 165 mm | +72 mm |
| Jun | 31.1 °C | +2.0 °C | 102 mm | +10 mm |
| Jul | 32.0 °C | +1.4 °C | 150 mm | +37 mm |
| Aug | 26.9 °C | -2.8 °C | 135 mm | +29 mm |
| Sep | 26.6 °C | +0.1 °C | 106 mm | +7 mm |
| Oct | 20.5 °C | -0.7 °C | 62 mm | -15 mm |
| Nov | 17.3 °C | +1.7 °C | 31 mm | -50 mm |
| Dec | 10.5 °C | -0.1 °C | 51 mm | -32 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Greensboro?
Greensboro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 1,111 mm of precipitation per year.
What is the hottest day ever recorded in Greensboro?
The hottest day measured in Greensboro between 1940 and 2025 was 18 August 1988, reaching 40.8 °C.
What is the coldest day in Greensboro?
The coldest day measured in Greensboro between 1940 and 2025 was 21 January 1985, at -20.1 °C.
Does it snow in Greensboro?
Yes. Greensboro gets on average 20.9 cm of snow per year and has around 57 frost days.
Has the climate of Greensboro warmed?
Yes: Greensboro warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Greensboro?
The wettest day measured in Greensboro between 1940 and 2025 was 8 October 2016, with 109 mm of rain in 24 hours.
What was the windiest day in Greensboro?
The windiest day measured in Greensboro between 1940 and 2025 was 6 September 1996, with winds reaching 49.5 km/h.
What is the warmest month in Greensboro?
The warmest month in Greensboro is July (25.4 °C on average); the coldest is January (4.1 °C).
How much does it rain in Greensboro?
Greensboro receives on average 1,111 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Greensboro?
Greensboro gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Greensboro?
The heaviest 24-hour snowfall measured in Greensboro between 1940 and 2025 was 22 January 1987, with 32.1 cm.
Are there tropical nights in Greensboro?
Yes: Greensboro has on average 67 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Greensboro?
In Greensboro, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 21 August 1983, and the lowest was -26.6 °C on 21 January 1985.
Compare Greensboro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Greensboro