Stamford

Connecticut Weather in March

Average temperatures, rainfall, sunshine and the best places to visit in Connecticut, the United States of America in March.

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Mystic Danbury Windsor Locks Groton

Planning a getaway to Connecticut, the United States of America this March and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Connecticut in March

Connecticut, the United States of America is a region in the United States of America. March in Connecticut generally has cold temperatures, with precipitation levels ranging from moderate to high.

Temperatures

The average maximum temperatures are cold and range 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.

For specific regional insights in Connecticut, the United States of America, refer to the map provided below.

Precipitation

In March, precipitation varies across different areas. From moderate snow/rainfall in Cornwall Bridge with an average of 88 mm (3.5 in) to high snow/rainfall in Norwich with 132 mm (5.2 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in March. Mystic typically receives 216 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Connecticut by month

Pick a month to see the average temperature, rainfall and sunshine in Connecticut — and find the best time to visit. (based on Mystic)

January4°C (39°F) February4°C (39°F) March8°C (46°F) April14°C (57°F) May19°C (66°F) June23°C (73°F) This monthJuly27°C (81°F) August26°C (79°F) September23°C (73°F) October18°C (64°F) November12°C (54°F) December7°C (45°F)
Best Time to Visit Connecticut →

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
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Connecticut

What is the weather like in March for some of the most popular destinations in Connecticut, the United States of America?

Temperature range in Connecticut (March)

Precipitation variation in Connecticut (March)

Mystic

In March Mystic generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around -1°C (30°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

« February
March
April »
February
March
April
Max temperature
4°C (39°F)
8°C (46°F)
14°C (57°F)
Min temperature
-5°C (23°F)
-1°C (30°F)
4°C (39°F)
Monthly sun hours
173 hours
216 hours
223 hours
Monthly snow/rainfall
97 mm (3.8 in)
116 mm (4.6 in)
98 mm (3.9 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
poor
poor
tolerable
Climate in Mystic →

Danbury

In March Danbury generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around -3°C (27°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

« February
March
April »
February
March
April
Max temperature
3°C (37°F)
8°C (46°F)
15°C (59°F)
Min temperature
-8°C (18°F)
-3°C (27°F)
3°C (37°F)
Monthly snow/rainfall
93 mm (3.7 in)
103 mm (4.1 in)
103 mm (4.1 in)
Monthly rainy days
10 days
11 days
11 days
Weather conditions
poor
poor
unpleasant
Climate in Danbury →

Windsor Locks

In March Windsor Locks generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around -2°C (28°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

« February
March
April »
February
March
April
Max temperature
3°C (37°F)
9°C (48°F)
16°C (61°F)
Min temperature
-7°C (19°F)
-2°C (28°F)
4°C (39°F)
Monthly sun hours
176 hours
213 hours
228 hours
Monthly snow/rainfall
93 mm (3.7 in)
93 mm (3.7 in)
100 mm (3.9 in)
Monthly rainy days
10 days
10 days
12 days
Weather conditions
poor
poor
unpleasant
Climate in Windsor Locks →

Groton

In March Groton generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around -1°C (30°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

« February
March
April »
February
March
April
Max temperature
4°C (39°F)
8°C (46°F)
14°C (57°F)
Min temperature
-5°C (23°F)
-1°C (30°F)
4°C (39°F)
Monthly sun hours
176 hours
213 hours
228 hours
Monthly snow/rainfall
98 mm (3.9 in)
119 mm (4.7 in)
96 mm (3.8 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
poor
poor
tolerable
Climate in Groton →

Milford

In March Milford generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 0°C (32°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

« February
March
April »
February
March
April
Max temperature
4°C (39°F)
9°C (48°F)
15°C (59°F)
Min temperature
-5°C (23°F)
0°C (32°F)
5°C (41°F)
Monthly sun hours
176 hours
213 hours
228 hours
Monthly snow/rainfall
96 mm (3.8 in)
105 mm (4.1 in)
114 mm (4.5 in)
Monthly rainy days
10 days
10 days
12 days
Weather conditions
poor
poor
unpleasant
Climate in Milford →

Is your destination not in the list? Have a look at all destinations in Connecticut, in the United States of America.

Popular cities in March

Day & night temperatures, rainfall and average weather in Connecticut in March.

City Weather Day temp Night temp Rainfall
Mystic 8°C (46°F) -1°C (30°F) 116 mm (4.6 in)
Danbury 8°C (46°F) -3°C (27°F) 103 mm (4.1 in)
Windsor Locks 9°C (48°F) -2°C (28°F) 93 mm (3.7 in)
Groton 8°C (46°F) -1°C (30°F) 119 mm (4.7 in)
Milford 9°C (48°F) 0°C (32°F) 105 mm (4.1 in)
Norwalk 10°C (50°F) -1°C (30°F) 101 mm (4 in)

Connecticut weather in March: frequently asked questions

What is the weather like in Connecticut, the United States of America in March?

Expect poor weather across Connecticut, the United States of America in March. The popular destination of Mystic averages 8°C (46°F) by day and -1°C (30°F) at night during this month.

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

Daytime temperatures in Mystic peak at roughly 8°C (46°F) in March, dropping to about -1°C (30°F) overnight.

Does Connecticut, the United States of America get a lot of snow/rain in March?

Connecticut, the United States of America sees substantial snow/rainfall in March. Mystic typically averages about 116 mm (4.6 in), a mix of wet and dry days, but bring an umbrella.

Is March a Good Time to Visit Connecticut, the United States of America?

In our opinion, March may not be the ideal time to visit Connecticut, the United States of America due to the typically poor weather in Mystic.

Generally speaking, August and September provide perfect weather in Mystic. In contrast, January, February, March and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Connecticut.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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