When to go · Helena
Helena in December
Avoid month. Listed as a month to avoid: Dec–Feb (cold, snow, some seasonal closures).
Key facts
- Verdict
- Avoid
- Temperature
- 0°C (32°F)32°F (0°C) / −10°C (14°F)14°F (−10°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Dec–Feb (cold, snow, some seasonal closures).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- HelenaHighs around 0 °C (32 °F), lows around -10 °C (14 °F), rain on about 8 daysHighs around 32 °F (0 °C), lows around 14 °F (-10 °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 Helena, side by side.
Verdict
Dec: Avoid
Jun: Great (better)
Daytime high
Dec: 0 °C (32 °F)32 °F (0 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
Dec: -10 °C (14 °F)14 °F (-10 °C)
Jun: 9 °C (48 °F)48 °F (9 °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: Dec–Feb (cold, snow, some seasonal closures).
June: Inside Helena's best window: Jun–Sep.
Helena: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings