Merrimack Weather in August

What's the weather like in Merrimack (New Hampshire) in August 2024?

The climate in Merrimack during August can be summarized as warm, humid and a little damp.

August is in the summer in Merrimack and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 14°C (58°F) is normal.

Merrimack weather averages (imperial / metric)
Daytime temperature 27.1°C 80.7°F
Nightly temperature 14.2°C 57.5°F
Average temperature 20.6°C 69.1°F
Daily sunshine 9.2 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 10 days
Sea temperature 19.8°C 67.7°F
Humidity 74%
Windspeed 11.9kph 7 mph

On average August is the 6th driest month of the year in Merrimack with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

August temperatures in Merrimack

Merrimack average temperature in August

August rainfall

Merrimack average rain in August

August hourly sunshine

Merrimack average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Merrimack in August 2024.