When to go · Grand Coulee
Grand Coulee in June
Great month. Inside Grand Coulee's best window: Jun–Sep.
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 13°C (55°F)55°F (13°C)
- average high / low
- Rain days
- 3
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Grand Coulee's best window: Jun–Sep.
Is another month better than June?
No other month rates higher than June for Grand Coulee in this guide.
Weather in June
- Grand CouleeHighs around 27 °C (81 °F), lows around 13 °C (55 °F), rain on about 3 daysHighs around 81 °F (27 °C), lows around 55 °F (13 °C), rain on about 3 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Grand Coulee, side by side.
Verdict
Jun: Great
Jul: Great
Daytime high
Jun: 27 °C (81 °F)81 °F (27 °C)
Jul: 31 °C (88 °F)88 °F (31 °C)
Night low
Jun: 13 °C (55 °F)55 °F (13 °C)
Jul: 16 °C (61 °F)61 °F (16 °C)
Rain days
Jun: 3
Jul: 2 (better)
Crowds
Jun: High
Jul: High
Prices
Jun: High
Jul: High
Festivals listed
Jun: 0
Jul: 1
June: Inside Grand Coulee's best window: Jun–Sep.
July: Inside Grand Coulee's best window: Jun–Sep.
Grand Coulee: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.