December

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December

Johnstown Weather December

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November

January

Temperatures trend during December in Johnstown

See the weather trend as well as the moving average line

December weather in Johnstown day by day

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November January

Date	Weather	Temperatures	Rain	Snow
Dec. 1	Overcast	-1° /-3°	0 mm	0 cm
Dec. 2	Moderate or heavy snow showers	0° /-2°	44.8 mm	32.4 cm
Dec. 3	Overcast	0° /-3°	0 mm	0 cm
Dec. 4	Overcast	-2° /-8°	0 mm	0 cm
Dec. 5	Overcast	-1° /-11°	0 mm	0 cm
Dec. 6	Overcast	1° /-2°	0 mm	0 cm
Dec. 7	Moderate rain at times	3° /-1°	3.6 mm	1.5 cm
Dec. 8	Partly cloudy	-2° /-7°	0 mm	0 cm
Dec. 9	Overcast	0° /-10°	2.8 mm	2 cm
Dec. 10	Heavy rain at times	2° /0°	11.6 mm	0 cm
Dec. 11	Overcast	-2° /-7°	3.8 mm	0 cm
Dec. 12	Overcast	-1° /-6°	0 mm	0 cm
Dec. 13	Overcast	-1° /-4°	2.2 mm	1.6 cm
Dec. 14	Overcast	-4° /-10°	8.6 mm	6.2 cm
Dec. 15	Overcast	-6° /-10°	0 mm	0 cm
Dec. 16	Cloudy	2° /-7°	0 mm	0 cm
Dec. 17	Overcast	1° /-2°	0 mm	0 cm
Dec. 18	Overcast	4° /0°	0 mm	0 cm
Dec. 19	Moderate snow	6° /-7°	23.3 mm	2 cm
Dec. 20	Overcast	0° /-9°	0 mm	0 cm
Dec. 21	Overcast	4° /-6°	0 mm	0 cm
Dec. 22	Overcast	1° /-9°	0 mm	0 cm
Dec. 23	Heavy snow	2° /-1°	34.9 mm	12.9 cm
Dec. 24	Overcast	2° /-1°	0 mm	0 cm
Dec. 25	Moderate or heavy snow showers	3° /-1°	20.4 mm	4.3 cm
Dec. 26	Moderate or heavy snow showers	0° /-3°	27 mm	11.1 cm
Dec. 27	Mist	3° /0°	9.7 mm	0 cm
Dec. 28	Overcast	3° /-2°	0 mm	0 cm
Dec. 29	Overcast	12° /-7°	0 mm	0 cm
Dec. 30	Overcast	-6° /-8°	0 mm	0 cm
Dec. 31	Overcast	-3° /-7°	0 mm	0 cm
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Important Notice

Our weather forecast for Johnstown in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johnstown forecast closer to your planned date for the most up-to-date weather information.

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Johnstown in December - FAQ

What are the expected maximum and minimum temperatures in Johnstown during December?

Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Johnstown during December?

Significant rainfall exceeding 192.7 mm is expected in Johnstown during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Johnstown in December 2026?

Johnstown experiences an average snowfall of 74.1 cm during December, occurring over 9 days.

What are the typical wind conditions in Johnstown during December?

The average wind speed in Johnstown during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Johnstown snow forecast December 2026

Track daily snowfall levels and discover Johnstown’s snowy potential this December ❄️

On average, Johnstown sees 9 snowy days during December, with approximately 74.1 cm of total snowfall.

December rainfall patterns in Johnstown

Explore the daily rainfall trends and prepare for Johnstowns December weather 💧

Typically, Johnstown has 3 rainy days in December with a total of 192.7 mm of rainfall.

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Where is Johnstown?

Get accurate weather forecasts for Johnstown, located at latitude 40.327 and longitude -78.922. Stay updated with localized weather information tailored for Johnstown.

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 -1°	2 0°	3 0°	4 -2°	5 -1°
6 1°	7 3°	8 -2°	9 0°	10 2°	11 -2°	12 -1°
13 -1°	14 -4°	15 -6°	16 2°	17 1°	18 4°	19 6°
20 0°	21 4°	22 1°	23 2°	24 2°	25 3°	26 0°
27 3°	28 3°	29 12°	30 -6°	31 -3°