When to go · St. Marys, Pennsylvania
St. Marys, Pennsylvania in December
Mixed month. Outside the best window (May–Oct; Sep–Oct for elk and foliage). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
Key facts
- Verdict
- Mixed
- Temperature
- 2°C (36°F)36°F (2°C) / −6°C (21°F)21°F (−6°C)
- average high / low
- Rain days
- 15
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Outside the best window (May–Oct; Sep–Oct for elk and foliage). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
Is another month better than December?
December is rated mixed. These months rate higher:
- MayGreatInside St. Marys, Pennsylvania's best window: May–Oct; Sep–Oct for elk and foliage.
- JuneGreatInside St. Marys, Pennsylvania's best window: May–Oct; Sep–Oct for elk and foliage.
- JulyGreatInside St. Marys, Pennsylvania's best window: May–Oct; Sep–Oct for elk and foliage.
- AugustGreatInside St. Marys, Pennsylvania's best window: May–Oct; Sep–Oct for elk and foliage.
Weather in December
- St. Marys, PennsylvaniaHighs around 2 °C (36 °F), lows around -6 °C (21 °F), rain on about 15 daysHighs around 36 °F (2 °C), lows around 21 °F (-6 °C), rain on about 15 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas Day big impact
25 Dec · United States
Most businesses closed; flights full from about 20 Dec to 2 Jan.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in St. Marys, Pennsylvania, side by side.
Verdict
Dec: Mixed
May: Great (better)
Daytime high
Dec: 2 °C (36 °F)36 °F (2 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Dec: -6 °C (21 °F)21 °F (-6 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Dec: 15
May: 13 (better)
Crowds
Dec: High
May: Medium
Prices
Dec: High
May: Medium
Festivals listed
Dec: 1
May: 1
December: Outside the best window (May–Oct; Sep–Oct for elk and foliage). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
May: Inside St. Marys, Pennsylvania's best window: May–Oct; Sep–Oct for elk and foliage.
St. Marys, Pennsylvania: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast