When to go · Denver
Denver in May
Great month. Inside Denver's best window: May–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 22°C (72°F)72°F (22°C) / 6°C (43°F)43°F (6°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Denver's best window: May–Jun, Sep–Oct.
Is another month better than May?
No other month rates higher than May for Denver in this guide.
Weather in May
- DenverHighs around 22 °C (72 °F), lows around 6 °C (43 °F), rain on about 10 daysHighs around 72 °F (22 °C), lows around 43 °F (6 °C), rain on about 10 days
- Rockies and national parks, United States · Yellowstone, Grand Teton, Glacier, Rocky Mountain, Denverfine
High roads (Going-to-the-Sun, Beartooth, Trail Ridge) open only about June–October; snow possible any month at altitude.
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 Denver, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 22 °C (72 °F)72 °F (22 °C)
Jun: 28 °C (82 °F)82 °F (28 °C)
Night low
May: 6 °C (43 °F)43 °F (6 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
May: 10
Jun: 8 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Denver's best window: May–Jun, Sep–Oct.
June: Inside Denver's best window: May–Jun, Sep–Oct.
Denver: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast