Johnstown Weather in December

With daytime temperatures of 5°C (41°F) and nighttime lows of -3°C (27°F), December in Johnstown brings low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 125 mm (4.9 in) falls on average.

Rainfall in Johnstown in December

On average, there are about 20 days with snow/rain during this month, averaging 125 mm (4.9 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Johnstown in December

December in Johnstown sees highs of 5°C (41°F) and lows of -3°C (27°F) overnight. December is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Johnstown in December

With limited sunshine this month, there are about 78 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Johnstown. Our weather planner can help you explore destinations with more pleasant weather conditions.