November weather forecast and climate
Greenwich, CT

The straight road of North Street cutting through the green leafy suburbs of the scenic Greenwich City in Connecticut
The straight road of North Street cutting through the green leafy suburbs of the scenic Greenwich City in Connecticut

Weather in November

November, the last month of the autumn, in Greenwich, is also a fresh month, with average temperature varying between 50.9°F (10.5°C) and 40.6°F (4.8°C).

Temperature

In Greenwich, Connecticut, the average high-temperature in November decreases, from a comfortable 62.4°F (16.9°C) in October, to a cool 50.9°F (10.5°C). In November, the average low-temperature is 40.6°F (4.8°C).

Humidity

In November, the average relative humidity is 72%.

Rainfall

In Greenwich, Connecticut, during November, the rain falls for 10.2 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 165.6 rainfall days, and 37.64" (956mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Greenwich. November is the first month it typically snows. Throughout November, in the average 1 snowfall days, it receives 0.24" (6mm) of snow. In Greenwich, during the entire year, snow falls for 25.5 days, and aggregates up to 8.78" (223mm) of snow.

Ocean temperature

In November, the average ocean temperature in Greenwich is 53.8°F (12.1°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In November, the average length of the day in Greenwich is 9.9h.

Sunshine

In Greenwich, Connecticut, the average sunshine in November is 5.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Greenwich. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in November in Greenwich?

In November, the average relative humidity is 72%.

How much does it rain in Greenwich in November?

In Greenwich, in November, it is raining for 10.2 days, with typically 2.83" (72mm) of accumulated precipitation.

When does it start to snow in Greenwich?

November is the first month it typically snows in Greenwich, Connecticut. Throughout November, in the average 1 snowfall days, it receives 0.24" (6mm) of snow.

How cold is the water in November in Greenwich?

In November, the average ocean temperature in Greenwich, Connecticut, is 53.8°F (12.1°C). Swimming in 53.8°F (12.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Greenwich have in November?

In November, the average length of the day in Greenwich is 9.9h.

How long on average sun shines in November in Greenwich?

In Greenwich, Connecticut, the average sunshine in November is 5.6h.

What are the months with the lowest UV index in Greenwich?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in November in Greenwich?

The average daily maximum UV index in November in Greenwich, Connecticut, is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.

Average temperature in November
Greenwich, CT

Average temperature in November - Greenwich, CT
  • Average high temperature in November: 50.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in November: 40.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in November
Greenwich, CT

Average pressure in November - Greenwich, CT
  • Average pressure in November: 30.1"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in November
Greenwich, CT

Average wind speed in November - Greenwich, CT
  • Average wind speed in November: 9.4mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in November
Greenwich, CT

Average humidity in November - Greenwich, CT
  • Average humidity in November: 72%

Months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in November
Greenwich, CT

Average rainfall in November - Greenwich, CT
  • Average rainfall in November: 2.83"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.4").

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Average rainfall days in November
Greenwich, CT

Average rainfall days in November - Greenwich, CT
  • Average rainfall days in November: 10.2 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in November
Greenwich, CT

Average snowfall in November - Greenwich, CT
  • Average snowfall in November: 0.24"

The month with the highest snowfall is February (2.52").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in November
Greenwich, CT

Average snowfall days in November - Greenwich, CT
  • Average snowfall days in November: 1 days

The month with the highest number of snowfall days is January (7.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in November
Greenwich, CT

Average sea temperature in November - Greenwich, CT
  • Average sea temperature in November: 53.8°F

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).

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Average daylight in November /
Average sunshine in November
Greenwich, CT

Average daylight in November / Average sunshine in November - Greenwich, CT
  • Average daylight in November: 9.9h

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

  • Average sunshine in November: 5.6h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in November
Greenwich, CT

Average sunshine days in November - Greenwich, CT
  • Average sunshine days in November: 17.8 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in November
Greenwich, CT

Average UV index in November - Greenwich, CT
  • Average UV index in November: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in November
Greenwich, CT

Average cloud cover in November - Greenwich, CT
  • Average cloud cover in November: 38

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in November
Greenwich, CT

Average visibility in November - Greenwich, CT
  • Average visibility in November: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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