When to go · Dillon
Dillon in May
Good month. Outside the best window (Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Key facts
- Verdict
- Good
- Temperature
- 19°C (66°F)66°F (19°C) / 4°C (39°F)39°F (4°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Is another month better than May?
May is rated good. These months rate higher:
- JuneGreatInside Dillon's best window: Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing.
- JulyGreatInside Dillon's best window: Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing.
- AugustGreatInside Dillon's best window: Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing.
- SeptemberGreatInside Dillon's best window: Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing.
Weather in May
- DillonHighs around 19 °C (66 °F), lows around 4 °C (39 °F), rain on about 10 daysHighs around 66 °F (19 °C), lows around 39 °F (4 °C), rain on about 10 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.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Compare two months
Weather, crowds and prices for any two months in Dillon, side by side.
Verdict
May: Good
Jan: Great (better)
Daytime high
May: 19 °C (66 °F)66 °F (19 °C)
Jan: 1 °C (34 °F)34 °F (1 °C)
Night low
May: 4 °C (39 °F)39 °F (4 °C)
Jan: -11 °C (12 °F)12 °F (-11 °C)
Rain days
May: 10
Jan: 7 (better)
Crowds
May: Medium
Jan: Low
Prices
May: Medium
Jan: Low
Festivals listed
May: 1
Jan: 0
May: Outside the best window (Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
January: Inside Dillon's best window: Jun–Sep for Bannack, fishing and the rodeo; Jan–Mar for Maverick Mountain skiing.
Dillon: 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