Autumn: First frost, daily normals, shorter days, foliage

Fall begins on Saturday, September 22 at 10:49 am. We have already experienced some early-fall weather in Southern New England, and the landscape will be changing quite a bit in the next few months. Here is a look at how the weather typically changes in Southern New England from the start of fall to the start of winter.

Average Temperature – Providence, RI

September 22
High: 72
Low: 53

October 8 (Columbus Day)
High: 66
Low: 46

October 31 (Halloween)
High: 59
Low: 40

November 22 (Thanksgiving)
High: 51
Low: 34

December 21 (Winter Solstice)
High: 41
Low: 25

Sunrise/Sunset (Length of day) – Providence, RI

September 22
Sunrise: 6:34 am
Sunset: 6:42 pm
Daylight: 12 hours 8 minutes

October 8 (Columbus Day)
Sunrise: 6:51 am
Sunset: 6:15 pm
Daylight: 11 hours 24 minutes

October 31 (Halloween)
Sunrise: 7:17 am
Sunset: 5:41 pm
Daylight: 10 hours 24 minutes

November 22 (Thanksgiving)
Sunrise: 6:44 am
Sunset: 4:20 pm
Daylight: 9 hours 36 minutes

December 21 (Winter Solstice)
Sunrise: 7:10 am
Sunset: 4:18 pm
Daylight: 9 hours 9 minutes

First frost – Providence, RI

Data from the National Climatic Data Center

The first frost can occur anytime in the next few weeks, especially in the countryside where temperatures have already dipped into the 30s. However, using TF Green Airport to represent the Providence Metro area, it becomes more than 50% likely to have reached these temperatures on the  following dates:

32 degrees – October 22
28 degrees – Nov 4
24 degrees – Nov 17

Fall foliage in New England

The 2012 fall foliage season in New England should be much better than 2011 was. There has been a near-normal amount of rain in most places since late-spring. Temperatures have been above normal, but we have had some cool nights lately followed by warm days – that’s a good recipe for nice fall colors.

Peak foliage in Northern New England is generally before mid-October, with the far northern mountains peaking around October 1. In Southern New England, the peak is typically from Columbus Day in the Berkshires, to late-October for the coastal plain.

Fred Campagna

President and Chief Meteorologist - Right Weather LLC AMS Certified Consulting Meteorologist #756 AMS Certified Broadcast Meteorologist #126

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