Merrimack Weather in March

Merrimack in March sees low daytime temperatures of 7°C (45°F) and nighttime lows of -4°C (25°F). Rainfall is fairly high this month at around 103 mm (4.1 in), so pack a rain jacket to stay dry.

Rainfall in Merrimack in March

Based on our climate data of the past 30 years, about 10 days of snow/rain are anticipated, with 103 mm (4.1 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Merrimack in March

Daytime temperatures in Merrimack reach 7°C (45°F) in March, dropping to -4°C (25°F) at night. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. At -4°C (25°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Merrimack in March

Expect a lot of sunshine this month, with about 210 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Merrimack. Our weather planner can help you explore destinations with more pleasant weather conditions.