| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Johnstown, Pa in December is very cool at 0.4 °C (32.72 °F).
- Afternoons can be cool with average high temperatures reaching 4.8 °C (40.6 °F).
- Overnight temperatures are generally slightly cold with an average low of -4 °C (24.8 °F).
- In December there is a range/ variation of mean daily temperatures of 8.8 °C (15.8 °F).
- The weather in December is hardly arid. Circa 91.2mm (3.6in) of H2O descends.
- The shortest day is 9:17 long and the longest day is 9:29 long with an average length of 9:21.
Check the distance to and compare the Johnstown, Pa December averages with somewhere beginning with:
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Weather Trend Graph for December in Johnstown, Pa, Usa
Navigate to December Weather in Locations Surrounding Johnstown, Pa:
- Warren, Pa, Usa - 186.2 kms (115.7 miles) N
- Youngstown/ Oh, Usa - 180.3 kms (112 miles) NW
- New Castlen, Pa, Usa - 117.8 kms (73.2 miles) NW
- Franklin, Pa, Usa - 117.8 kms (73.2 miles) NW
- Greenville, Pa, Usa - 117.8 kms (73.2 miles) NW
- Pittsburgh, Pennsylvania, Usa - 111.6 kms (69.4 miles) WNW
- Wellsburg, Wv, Usa - 180.3 kms (112 miles) W
- Uniontownne, Pa, Usa - 82.6 kms (51.3 miles) SW
- Oakland, Md, Usa - 147.7 kms (91.8 miles) S
- Buckhannon, Wv, Usa - 185.8 kms (115.5 miles) SW
- Elkins/ Randolph Co, Wv, Usa - 179.1 kms (111.3 miles) SSW
- State College, Pa, Usa - 103.6 kms (64.4 miles) ENE
- Harrisburg, Pennsylvania, Usa - 176.3 kms (109.5 miles) E
- York, Pa, Usa - 167.3 kms (104 miles) ESE
- Chambersburg, Pa, Usa - 115.6 kms (71.8 miles) ESE
- Martinsburg, Wv, Usa - 167.3 kms (104 miles) SSE
- Lincoln, Va, Usa - 167.3 kms (104 miles) SSE
- Woodstock, Va, Usa - 164.6 kms (102.3 miles) SSE