Monthly weather forecast and climate
Greenwich, CT

What is the coldest month in Greenwich?

With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month in Greenwich, Connecticut.

How much does it rain in Greenwich?

Throughout the year, in Greenwich, Connecticut, 50.4" (1281.4mm) of rain is accumulated.

When does it snow in Greenwich?

Months with snowfall are January through April, November and December.

How much does it snow in Greenwich?

Throughout the year, 27.7" (703.7mm) of snow is accumulated.

What is the driest month in Greenwich?

February is the month with the least rainfall in Greenwich, with 3.2" (82.3mm) of accumulated precipitation.

What is the snowiest month in Greenwich?

The month with the most snowfall is February when 8.3" (210.8mm) of snow is typically aggregated.

What is the wettest month in Greenwich?

The month with the most rainfall in Greenwich, Connecticut, is March when 4.7" (120.1mm) of precipitation is typically aggregated.

What is the warmest month in Greenwich?

July is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64.9°F (18.3°C).
Average rainfall - Greenwich, CT
Average snowfall - Greenwich, CT
Average sea temperature - Greenwich, CT

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

Average daylight - Greenwich, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

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