When to go · Merrimack
Merrimack in July
Great month. Inside Merrimack's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 29°C (84°F)84°F (29°C) / 18°C (64°F)64°F (18°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Merrimack's best window: May–Oct.
Is another month better than July?
No other month rates higher than July for Merrimack in this guide.
Weather in July
- MerrimackHighs around 29 °C (84 °F), lows around 18 °C (64 °F), rain on about 8 daysHighs around 84 °F (29 °C), lows around 64 °F (18 °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.
Independence Day big impact
4 Jul · United States
Fireworks and parades; parks, beaches and flights busy.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Merrimack, side by side.
Verdict
Jul: Great
May: Great
Daytime high
Jul: 29 °C (84 °F)84 °F (29 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Jul: 18 °C (64 °F)64 °F (18 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Jul: 8 (better)
May: 9
Crowds
Jul: High
May: Medium
Prices
Jul: High
May: Medium
Festivals listed
Jul: 1
May: 1
July: Inside Merrimack's best window: May–Oct.
May: Inside Merrimack's best window: May–Oct.
Merrimack: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.