When to go · St. Mary
St. Mary in December
Avoid month. Listed as a month to avoid: Nov–Apr (Going-to-the-Sun Road closed over Logan Pass; most services shut).
Key facts
- Verdict
- Avoid
- Temperature
- −1°C (30°F)30°F (−1°C) / −11°C (12°F)12°F (−11°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Nov–Apr (Going-to-the-Sun Road closed over Logan Pass; most services shut).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- St. MaryHighs around -1 °C (30 °F), lows around -11 °C (12 °F), rain on about 8 daysHighs around 30 °F (-1 °C), lows around 12 °F (-11 °C), rain on about 8 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. Mary, side by side.
Verdict
Dec: Avoid
Jun: Great (better)
Daytime high
Dec: -1 °C (30 °F)30 °F (-1 °C)
Jun: 19 °C (66 °F)66 °F (19 °C)
Night low
Dec: -11 °C (12 °F)12 °F (-11 °C)
Jun: 6 °C (43 °F)43 °F (6 °C)
Rain days
Dec: 8 (better)
Jun: 10
Crowds
Dec: High
Jun: High
Prices
Dec: High
Jun: High
Festivals listed
Dec: 1
Jun: 0
December: Listed as a month to avoid: Nov–Apr (Going-to-the-Sun Road closed over Logan Pass; most services shut).
June: Inside St. Mary's best window: Jun–Sep.
St. Mary: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings