Climate Groton - Connecticut
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 38 | 41 | 48 | 57 | 67 | 76 |
| Average low in ºF Av. low Lo | 22 | 25 | 32 | 41 | 49 | 59 |
| Av. precipitation in inch Av. precip. Pre. | 3.78 | 3.51 | 5.07 | 4.54 | 3.65 | 4.08 |
| Av. snowfall in inch Snowfall Sn | 6 | 8 | 3 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 81 | 80 | 74 | 63 | 54 | 44 |
| Average low in ºF Av. low Lo | 65 | 65 | 57 | 46 | 38 | 28 |
| Av. precipitation in inch Av. precip. Pre. | 3.63 | 4.29 | 4.16 | 4.15 | 4.54 | 4.28 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 5 |
What is the average weather in Groton, Connecticut?
Groton experiences a humid continental climate, marked by strong seasonal contrasts. Summers are warm, while winters are cold and bring regular snowfall. Precipitation is fairly wet overall, spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Groton Climate Graph - Connecticut Climate Chart
Weather history Groton - December 2024
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Dec | 45.0 | 27.0 | 0.00 | 0.00 | 0.0 |
| 02 Dec | 39.9 | 21.0 | 0.00 | 0.00 | 0.0 |
| 03 Dec | 37.9 | 23.0 | 0.00 | 0.00 | 0.0 |
| 04 Dec | 46.0 | 23.0 | 0.12 | 0.00 | 0.0 |
| 05 Dec | 45.0 | 35.1 | 0.85 | 0.00 | 0.0 |
| 06 Dec | 37.0 | 30.0 | 0.00 | 0.00 | 0.0 |
| 07 Dec | 39.9 | 28.9 | 0.01 | 0.00 | 0.0 |
| 08 Dec | 51.1 | 32.0 | 0.01 | 0.00 | 0.0 |
| 09 Dec | 50.0 | 30.0 | 0.24 | 0.00 | 0.0 |
| 10 Dec | 45.0 | 41.0 | 0.00 | 0.00 | 0.0 |
| 11 Dec | 60.1 | 42.1 | 3.35 | 0.00 | 0.0 |
| 12 Dec | 59.0 | 30.9 | 0.04 | 0.00 | 0.0 |
| 13 Dec | 59.0 | 25.0 | 0.00 | 0.00 | 0.0 |
| 14 Dec | 34.0 | 19.0 | 0.00 | 0.00 | 0.0 |
| 15 Dec | 36.0 | 19.0 | 0.00 | 0.00 | 0.0 |
| 16 Dec | 52.0 | 30.9 | 0.35 | 0.00 | 0.0 |
| 17 Dec | 57.9 | 34.0 | 0.45 | 0.00 | 0.0 |
| 18 Dec | 50.0 | 32.0 | 0.32 | 0.00 | 0.0 |
| 19 Dec | 48.0 | 35.1 | 0.15 | 0.00 | 0.0 |
| 20 Dec | 48.0 | 30.0 | 0.00 | 0.00 | 0.0 |
| 21 Dec | 33.1 | 18.0 | 0.03 | - | - |
| 22 Dec | 21.9 | 12.9 | 0.00 | 0.00 | - |
| 23 Dec | 28.0 | 8.1 | 0.00 | 0.00 | 0.0 |
| 24 Dec | 35.1 | 19.0 | 0.00 | 0.00 | 0.0 |
| 25 Dec | 35.1 | 23.0 | 0.00 | 0.00 | 0.0 |
| 26 Dec | 39.9 | 21.9 | 0.00 | 0.00 | 0.0 |
| 27 Dec | 41.0 | 19.9 | 0.00 | 0.00 | 0.0 |
| 28 Dec | 48.9 | 28.0 | 0.27 | 0.00 | 0.0 |
| 29 Dec | 55.0 | 39.0 | 0.13 | 0.00 | 0.0 |
| 30 Dec | 55.9 | 48.0 | 0.43 | 0.00 | 0.0 |
| 31 Dec | 53.1 | 34.0 | 0.00 | 0.00 | 0.0 |
Past weather Groton
| Dec 24 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 44.8 ºF | 38 ºF | |
| Average low temperature Av. low temp. | 27.8 ºF | 22 ºF | |
| Total precipitation Total precip. | 6.75 inch | 3.78 inch | |
| Total snowfall Total snowfall | 0.00 inch | 6 inch | |
| Highest max temperature Highest max temp. | 60.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 21.9 ºF | - | |
| Highest min temperature Highest min temp. | 48.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 8.1 ºF | - | |
Past weather December 2024 incomplete - Missing data
Geo Groton - Connecticut
| Country | United States | |
|---|---|---|
| State | Connecticut | |
| County | New London | |
| City | Groton | |
| Zip Code | 6340 | |
| Longitude | -72.05 dec. degr. | |
| Latitude | 41.33 dec. degr. | |
| Altitude - Elevation | 13ft | |
| ICAO | - | |
| IATA | - |
Date and Time Groton - Connecticut
| Local Time | 01:24 PM | |
|---|---|---|
| Sunrise | 05:18 AM | |
| Sunset | 08:26 PM | |
| Day/Night | Day | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Groton - Connecticut
USGS National Map — Open interactive map
Groton weather averages
| Annual high temperature | 60ºF |
| Annual low temperature | 44ºF |
| Average annual precip. | 49.68 inch |
| Av. annual snowfall | 24 inch |
Station Data
Monthly averages Groton
Longitude: -72.0451, Latitude: 41.3301
Average weather Groton, CT - 6340
Monthly: 1991-2020 normals
History: 2007-2024
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...