Groton Weather in February
Average highs run from 30°F on February 1 to 36°F on February 28, and lows from 10°F to 15°F. Normal precipitation for the month is 2.02 in over about 11 wet days.
February day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
February at a glance
- Average high
- 33°F
- Average low
- 12°F
- Precipitation
- 2.02 in
- Snowfall
- 14.5 in
- Record high
- 71°FFeb 25, 2017
- Record low
- -29°FFeb 24, 2015
- Chance of a freeze
- 100%
- Daylight
- 10 h 00 min to 11 h 11 min
- Cloud cover
- 75%
- Humidity
- 91%
- Dew point
- 20°F
- Wind
- 8.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Feb 1 | 30°F | 10°F | 56°F 2012 | -16°F 2019 | 41% | 29% |
| Feb 2 | 30°F | 10°F | 54°F 2012 | -14°F 2019 | 41% | 29% |
| Feb 3 | 30°F | 10°F | 41°F 2016 | -5°F 2026 | 41% | 28% |
| Feb 4 | 31°F | 10°F | 51°F 2016 | -11°F 2023 | 41% | 28% |
| Feb 5 | 31°F | 10°F | 59°F 2019 | -9°F 2023 | 40% | 28% |
| Feb 6 | 31°F | 10°F | 49°F 2019 | -21°F 2015 | 40% | 28% |
| Feb 7 | 31°F | 11°F | 50°F 2012 | -9°F 2014 | 40% | 28% |
| Feb 8 | 31°F | 11°F | 50°F 2019 | -21°F 2014 | 40% | 28% |
| Feb 9 | 31°F | 11°F | 53°F 2024 | -20°F 2014 | 40% | 28% |
| Feb 10 | 32°F | 11°F | 59°F 2024 | -9°F 2014 | 39% | 27% |
| Feb 11 | 32°F | 11°F | 55°F 2024 | -13°F 2011 | 39% | 27% |
| Feb 12 | 32°F | 12°F | 50°F 2022 | -21°F 2014 | 39% | 27% |
| Feb 13 | 32°F | 12°F | 50°F 2023 | -15°F 2014 | 39% | 27% |
| Feb 14 | 32°F | 12°F | 50°F 2023 | -21°F 2016 | 39% | 27% |
| Feb 15 | 32°F | 12°F | 51°F 2023 | -19°F 2016 | 39% | 26% |
| Feb 16 | 33°F | 12°F | 67°F 2023 | -8°F 2015 | 39% | 26% |
| Feb 17 | 33°F | 13°F | 55°F 2023 | -20°F 2014 | 39% | 26% |
| Feb 18 | 33°F | 13°F | 54°F 2022 | -17°F 2015 | 39% | 26% |
| Feb 19 | 33°F | 13°F | 61°F 2017 | -6°F 2015 | 39% | 26% |
| Feb 20 | 34°F | 13°F | 54°F 2017 | -9°F 2015 | 39% | 25% |
| Feb 21 | 34°F | 14°F | 65°F 2018 | -20°F 2015 | 39% | 25% |
| Feb 22 | 34°F | 14°F | 68°F 2018 | -7°F 2011 | 39% | 25% |
| Feb 23 | 34°F | 14°F | 57°F 2017 | -17°F 2011 | 38% | 25% |
| Feb 24 | 35°F | 14°F | 67°F 2017 | -29°F 2015 | 39% | 25% |
| Feb 25 | 35°F | 15°F | 71°F 2017 | -17°F 2015 | 39% | 24% |
| Feb 26 | 35°F | 15°F | 62°F 2017 | -7°F 2015 | 38% | 24% |
| Feb 27 | 35°F | 15°F | 56°F 2024 | -7°F 2015 | 38% | 24% |
| Feb 28 | 36°F | 15°F | 64°F 2024 | -25°F 2015 | 38% | 24% |
| Feb 29 | 36°F | 15°F | 61°F 2016 | 16°F 2020 | 38% | 23% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- February 1
- sunrise 7:19 AM, sunset 5:19 PM
- February 28
- sunrise 6:43 AM, sunset 5:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00303050 (Freeville 1 Ne), public domain. Records: NOAA GHCN-Daily, station USC00303050, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.