When to go · Green River
Green River in May
Great month. Inside Green River's best window: Apr–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 24°C (75°F)75°F (24°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Green River's best window: Apr–Jun, Sep–Oct.
Is another month better than May?
No other month rates higher than May for Green River in this guide.
Weather in May
- Green RiverHighs around 24 °C (75 °F), lows around 9 °C (48 °F), rain on about 8 daysHighs around 75 °F (24 °C), lows around 48 °F (9 °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.
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 Green River, side by side.
Verdict
May: Great
Apr: Great
Daytime high
May: 24 °C (75 °F)75 °F (24 °C)
Apr: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Apr: 4 °C (39 °F)39 °F (4 °C)
Rain days
May: 8
Apr: 7 (better)
Crowds
May: Medium
Apr: Medium
Prices
May: Medium
Apr: Medium
Festivals listed
May: 1
Apr: 1
May: Inside Green River's best window: Apr–Jun, Sep–Oct.
April: Inside Green River's best window: Apr–Jun, Sep–Oct.
Green River: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings