Climate averages 1991–2020
Greensboro weather
in December.
A cool, wet month: the 11th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Greensboro: daytime highs average 10.1°C and nights cool to about 1.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 91 mm of rain on roughly 9 days, which makes December a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 46 min on an average December day.
The nearest other city in this atlas is High Point (23 km away). In December its highs average 10.1°C, about as warm as Greensboro, with 94 mm of rain.
Among the 498 cities listed in the United States, Greensboro ranks joint 258th of 498 for the warmest December highs and joint 334th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Greensboro is 0.5°C cooler than that mean.
From December to January, average highs fall by 1.6°C to 8.5°C, and monthly rainfall rises from 91 mm to 93 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Greensboro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.5°C-0.6°C | -0.6°C | 93 | 9.3 | 10.010 h |
| February | 10.7°C0.6°C | 0.6°C | 81 | 8.8 | 10.811 h |
| March | 14.9°C4.0°C | 4.0°C | 108 | 10.2 | 11.912 h |
| April | 20.4°C9.0°C | 9.0°C | 89 | 9.3 | 13.113 h |
| May | 24.9°C14.1°C | 14.1°C | 88 | 11.2 | 14.114 h |
| June | 28.9°C18.8°C | 18.8°C | 98 | 13.0 | 14.615 h |
| July | 30.9°C21.2°C | 21.2°C | 101 | 14.6 | 14.414 h |
| August | 29.7°C20.4°C | 20.4°C | 97 | 11.9 | 13.514 h |
| September | 26.2°C17.1°C | 17.1°C | 105 | 9.7 | 12.412 h |
| October | 20.7°C10.8°C | 10.8°C | 80 | 7.3 | 11.311 h |
| November | 14.6°C4.8°C | 4.8°C | 83 | 7.7 | 10.310 h |
| December, selected | 10.1°C1.3°C | 1.3°C | 91 | 9.0 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- High Point in DecemberUnited States · 23 kmHigh 10.1°C · Low 1.3°C · 94 mm rain
- Winston-Salem in DecemberUnited States · 41 kmHigh 10.0°C · Low 1.0°C · 93 mm rain
- Durham in DecemberUnited States · 81 kmHigh 11.1°C · Low 1.9°C · 89 mm rain
- Cary in DecemberUnited States · 96 kmHigh 11.2°C · Low 2.7°C · 90 mm rain
- Concord (North Carolina), United States in DecemberUnited States · 103 kmHigh 11.2°C · Low 2.5°C · 94 mm rain
- Raleigh in DecemberUnited States · 109 kmHigh 11.5°C · Low 2.9°C · 90 mm rain
- Charlotte in DecemberUnited States · 134 kmHigh 11.2°C · Low 2.1°C · 93 mm rain
- Roanoke in DecemberUnited States · 134 kmHigh 8.5°C · Low -0.2°C · 84 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Greensboro) is explained once on the Greensboro year overview and on the Sources, method and limits page.