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.