October weather forecast and climate
Greenwich, CT

What is the temperature in October in Greenwich?

In October, in Greenwich, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 45°F (7.2°C).

How much does it rain in Greenwich in October?

In Greenwich, in October, typically 4.2" (105.9mm) of precipitation is accumulated.

Does it snow in Greenwich in October?

In Greenwich, Connecticut, in October, it doesn't snow. In November, it regularly snows.
Average temperature in October - Greenwich, CT
  • Average high temperature in October: 62°F

The warmest month (with the highest average high temperature) is July (83°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (65°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average rainfall in October - Greenwich, CT
  • Average rainfall in October: 4.2"

Wettest months (with the highest rainfall) are March and September (4.7").
The driest month (with the lowest rainfall) is February (3.2").

Average snowfall in October - Greenwich, CT
  • Average snowfall in October: 0"

The month with the highest snowfall is February (8.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average sea temperature in October - Greenwich, CT
  • Average sea temperature in October: 62.2°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).

Average daylight in October - Greenwich, CT
  • Average daylight in October: 11.1h

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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