Groton Weather in March

During March, Groton experiences low daytime temperatures of 8°C (46°F) and cooler nights around -1°C (30°F). Expect quite a bit of snow/rainfall. Around 119 mm (4.7 in) is typical.

Rainfall in Groton in March

Typically, about 11 days will experience snow/rainfall, with an average of 119 mm (4.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Groton in March

If you're visiting Groton in March, expect highs of 8°C (46°F) and overnight lows around -1°C (30°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Groton in March

Expect a lot of sunshine this month, with about 213 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

March in Groton has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.