Climate averages 1991–2020

Winston-Salem weather
in December.

A cool, wet month: the 11th warmest and the joint 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 10.0°C Daytime mean, December
Average low 1.0°C Night-time mean, December
Rainfall 93 mm 9 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Winston-Salem · average highYear overview

December is a cool month in Winston-Salem: daytime highs average 10.0°C and nights cool to about 1.0°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 93 mm of rain on roughly 9 days, which makes December a wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 45 min on an average December day.

The nearest other city in this atlas is High Point (27 km away). In December its highs average 10.1°C, about as warm as Winston-Salem, with 94 mm of rain.

Among the 498 cities listed in the United States, Winston-Salem ranks joint 261st of 498 for the warmest December highs and joint 340th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Winston-Salem is 0.5°C cooler than that mean.

From December to January, average highs fall by 1.5°C to 8.5°C, and monthly rainfall falls from 93 mm to 92 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Winston-Salem climate table

1991–2020
Monthly climate averages for Winston-Salem, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.5°C-0.8°C-0.8°C929.410.010 h
February 10.7°C0.4°C0.4°C838.910.811 h
March 14.9°C3.8°C3.8°C10810.011.912 h
April 20.4°C8.8°C8.8°C939.513.113 h
May 24.9°C14.0°C14.0°C8410.914.114 h
June 29.0°C18.7°C18.7°C9112.114.615 h
July 31.1°C21.0°C21.0°C9314.014.414 h
August 29.9°C20.2°C20.2°C9111.813.514 h
September 26.4°C17.0°C17.0°C1019.012.412 h
October 20.8°C10.6°C10.6°C837.311.311 h
November 14.6°C4.6°C4.6°C857.710.310 h
December, selected 10.0°C1.0°C1.0°C939.09.810 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

Distance from Winston-Salem

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Winston-Salem) is explained once on the Winston-Salem year overview and on the Sources, method and limits page.