Groton weather in November: Groton, Connecticut: normal highs, lows, rain and records for November

Groton in November has a normal high of 53°F and a normal low of 37°F, a daily mean of 45°F, falling from 58°F on the 1st to 49°F by the 30th. Measurable precipitation falls on 9 days in a normal November, 3.24 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 12°C and low of 3°C, 82 mm of precipitation in November.

  • NOAA stationGroton New London Airport
  • Station IDUSW00014707
  • Location41.33°N 72.05°W
  • Elevation10 ft (3 m)
  • Population10,160
  1. Jan 38° 23°
  2. Feb 40° 25°
  3. Mar 47° 31°
  4. Apr 56° 39°
  5. May 65° 49°
  6. Jun 74° 58°
  7. Jul 80° 65°
  8. Aug 79° 64°
  9. Sep 74° 57°
  10. Oct 63° 46°
  11. Nov 53° 37°
  12. Dec 44° 29°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Groton in November?

The normal high is 53°F and the normal low 37°F, for a daily mean of 45.1°F. November is 9.3°F cooler than October and 8.6°F warmer than December. November is the 8th warmest month of the year in Groton and the 8th wettest. Across the month the normal high falls 9°F, from 58°F on November 1 to 49°F on November 30. From one year to the next November's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Novembers in three average between 43°F and 48°F.

Groton in November, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).

Normal high and low on five days of November, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
November 158°F40°F30%17%
November 856°F39°F30%17%
November 1554°F37°F31%18%
November 2251°F35°F32%19%
November 3049°F33°F32%20%
Every day of November: normal high, low and chance of precipitation (warmest afternoon November 1, coldest night November 30)
Groton: NOAA 1991-2020 daily normals for each day of November
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
November 158°F40°F30%17%10 h 30 min
November 258°F40°F30%17%10 h 20 min
November 357°F40°F30%17%10 h 20 min
November 457°F40°F30%17%10 h 20 min
November 557°F39°F30%17%10 h 20 min
November 656°F39°F30%17%10 h 10 min
November 756°F39°F30%17%10 h 10 min
November 856°F39°F30%17%10 h 10 min
November 956°F38°F30%17%10 h 10 min
November 1055°F38°F30%17%10 h 10 min
November 1155°F38°F30%17%10 h
November 1255°F38°F30%18%10 h
November 1354°F37°F31%18%10 h
November 1454°F37°F31%18%10 h
November 1554°F37°F31%18%9 h 50 min
November 1653°F37°F31%18%9 h 50 min
November 1753°F36°F31%18%9 h 50 min
November 1853°F36°F31%18%9 h 50 min
November 1952°F36°F31%18%9 h 50 min
November 2052°F36°F31%19%9 h 40 min
November 2152°F36°F31%19%9 h 40 min
November 2251°F35°F32%19%9 h 40 min
November 2351°F35°F32%19%9 h 40 min
November 2451°F35°F32%19%9 h 40 min
November 2550°F35°F32%19%9 h 40 min
November 2650°F34°F32%19%9 h 30 min
November 2750°F34°F32%19%9 h 30 min
November 2849°F34°F32%19%9 h 30 min
November 2949°F34°F32%20%9 h 30 min
November 3049°F33°F32%20%9 h 30 min
Normal high
53°FNovember average
Normal low
37°FNovember average
Precipitation
3.24 inmonth total
Days with precipitation
90.01 inch or more
Nights at 32°F or colder
10
Daylight
10 h 30 min to 9 h 30 minNovember 1 to November 30
Sunshine
72%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014707; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Groton in November?

On a given November day the chance of 0.01 inch or more is 31% on average, highest around November 30 (32%). In all, 3.24 in falls on 9 days of a normal November, 1 of them with an inch or more.

In a normal November in Groton, 10 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014707.

What are the records for November in Groton?

The warmest November temperature on this station's record (since 1999) is 79°F, on November 7, 2022; the coldest is 12°F, on November 23, 2018. The wettest November brought 5.80 in (2018).

The November mean against the 1991-2020 normal of 45.1°F: 2021 42.8°F (−2.3), 2022 49.0°F (+3.9), 2023 43.0°F (−2.1), 2024 47.1°F (+2.0), 2025 42.6°F (−2.5). 2 of 5 ran warmer than normal.

Groton: November in recent years against the 1991-2020 normal
NovemberMeanAgainst normalPrecip.
202142.8°F−2.3°F1.92 in
202249.0°F+3.9°F2.37 in
202343.0°F−2.1°F1.53 in
202447.1°F+2.0°F2.04 in
202542.6°F−2.5°F–

Source: records: ACIS, station USW00014707; recent months: ACIS, station USW00014707. Records and recent months use complete months only.

How does November in Groton compare across Connecticut?

Across the 13 places PlainClimate covers in Connecticut, November normal highs run from 45°F in Norfolk to 54°F in Bridgeport; Groton's is 53°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places