Temperature in Connecticut in March

Daytime highs, nighttime lows and the warmest cities in Connecticut, the United States of America this March.

Connecticut, the United States of America, a region in the United States of America, experiences low average maximum daytime temperatures in March, ranging from 7°C (45°F) in Cornwall Bridge to 10°C (50°F) in Norwalk. Nighttime temperatures generally drop to -1°C (30°F) in Norwalk and -4°C (25°F) in Cornwall Bridge.

What is the temperature of the different cities in Connecticut, the United States of America in March?

Curious about the March temperatures in the prime spots of Connecticut? Navigate the map below and tap on a destination dot for more detailed stats.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Connecticut, check out our Connecticut's climate page.

See also: Connecticut weather by month.

Best Places to Visit in Connecticut in March

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Connecticut.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in March: blue is cold, red is hot.

See all March weather averages, cities and regions in Connecticut

Connecticut temperatures in March: frequently asked questions

How hot does it get in Connecticut, the United States of America in March?

Expect daytime temperatures around 8°C (46°F) in Mystic. That makes March a low month for Connecticut, the United States of America.

How cold does it get at night in Connecticut, the United States of America in March?

Mystic sees nighttime lows close to -1°C (30°F) in March.

What is the warmest city in March in Connecticut, the United States of America?

Data insights from our comprehensive database indicate that Norwalk is the city with the highest warmth. Daytime peaks average near 10°C (50°F), while the nights are characterized by a low temperature close to -1°C (30°F).

What is the coldest city in March in Connecticut, the United States of America?

When looking through our records, we find that Cornwall Bridge stands out as the coolest city in Connecticut, the United States of America for the month of March. Daytime highs average 7°C (45°F) and it cools down to about -4°C (25°F) at night.

How much sun does Connecticut, the United States of America get in March?

The weather is predominantly sunny, with an estimated total of around 216 hours of sunshine in Mystic. This means many sunny days, which creates a cheerful atmosphere during this month.

Interested in more climate information?

We have much more information about the climate in Connecticut.

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