When to go · Groton, Connecticut
Groton, Connecticut in August
Great month. Inside Groton, Connecticut's best window: May–Oct (museum open daily mid-May to mid-Oct).
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 9
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Groton, Connecticut's best window: May–Oct (museum open daily mid-May to mid-Oct).
Is another month better than August?
No other month rates higher than August for Groton, Connecticut in this guide.
Weather in August
- Groton, ConnecticutHighs around 27 °C (81 °F), lows around 17 °C (63 °F), rain on about 9 daysHighs around 81 °F (27 °C), lows around 63 °F (17 °C), rain on about 9 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Groton, Connecticut, side by side.
Verdict
Aug: Great
May: Great
Daytime high
Aug: 27 °C (81 °F)81 °F (27 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Aug: 17 °C (63 °F)63 °F (17 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Aug: 9 (better)
May: 11
Crowds
Aug: High
May: Medium
Prices
Aug: High
May: Medium
Festivals listed
Aug: 0
May: 1
August: Inside Groton, Connecticut's best window: May–Oct (museum open daily mid-May to mid-Oct).
May: Inside Groton, Connecticut's best window: May–Oct (museum open daily mid-May to mid-Oct).
Groton, Connecticut: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.