When to go · Waterloo, Iowa
Waterloo, Iowa in June
Great month. Inside Waterloo, Iowa's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 80°C (176°F)176°F (80°C) / 60°C (140°F)140°F (60°C)
- average high / low
- Rain days
- 3
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Waterloo, Iowa's best window: May–Oct.
Is another month better than June?
No other month rates higher than June for Waterloo, Iowa in this guide.
Weather in June
- Waterloo, IowaHighs around 80 °C (176 °F), lows around 60 °C (140 °F), rain on about 3 daysHighs around 176 °F (80 °C), lows around 140 °F (60 °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 Waterloo, Iowa, side by side.
Verdict
Jun: Great
May: Great
Daytime high
Jun: 80 °C (176 °F)176 °F (80 °C)
May: 71 °C (160 °F)160 °F (71 °C)
Night low
Jun: 60 °C (140 °F)140 °F (60 °C)
May: 50 °C (122 °F)122 °F (50 °C)
Rain days
Jun: 3 (better)
May: 4
Crowds
Jun: High
May: Medium
Prices
Jun: High
May: Medium
Festivals listed
Jun: 0
May: 1
June: Inside Waterloo, Iowa's best window: May–Oct.
May: Inside Waterloo, Iowa's best window: May–Oct.
Waterloo, Iowa: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen