When to go · Thermopolis
Thermopolis in July
Great month. Inside Thermopolis's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 32°C (90°F)90°F (32°C) / 14°C (57°F)57°F (14°C)
- average high / low
- Rain days
- 6
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Thermopolis's best window: May–Sep.
Is another month better than July?
No other month rates higher than July for Thermopolis in this guide.
Weather in July
- ThermopolisHighs around 32 °C (90 °F), lows around 14 °C (57 °F), rain on about 6 daysHighs around 90 °F (32 °C), lows around 57 °F (14 °C), rain on about 6 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.
Independence Day big impact
4 Jul · United States
Fireworks and parades; parks, beaches and flights busy.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Thermopolis, side by side.
Verdict
Jul: Great
May: Great
Daytime high
Jul: 32 °C (90 °F)90 °F (32 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Jul: 14 °C (57 °F)57 °F (14 °C)
May: 5 °C (41 °F)41 °F (5 °C)
Rain days
Jul: 6 (better)
May: 9
Crowds
Jul: High
May: Medium
Prices
Jul: High
May: Medium
Festivals listed
Jul: 1
May: 1
July: Inside Thermopolis's best window: May–Sep.
May: Inside Thermopolis's best window: May–Sep.
Thermopolis: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen