Merrimack Weather in August

Merrimack in August averages 28°C (82°F) during the day and 15°C (59°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Merrimack in August

Typically, about 11 days will experience rainfall, with an average of 103 mm (4.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Merrimack in August

In August, expect high temperatures in Merrimack, with highs of 28°C (82°F) and lows of 15°C (59°F) at night. Experience the summer season in August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Merrimack in August

The city usually sees around 261 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July and September typically offer the best weather for Merrimack.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Merrimack's climate page.

Merrimack Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 37%  

Precipitation 103 mm (4.1 in)  

Rainy days 11 days  

Humidity 74% *  

Sunshine 261 hours *  

Percentage Sunshine *  

* Data from: Concord, the United States of America (38 KM, 23 Miles).

What to Wear in Merrimack in August

Warm but pleasant conditions in Merrimack in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Merrimack in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Merrimack's climate page.

More climate data for Merrimack

Temperature Rainfall Sunshine Humidity

See the full Merrimack climate overview or explore weather in the United States of America.