Groton Weather in February
Average highs run from 35°F on February 1 to 41°F on February 28, and lows from 13°F to 19°F. Normal precipitation for the month is 3.07 in.
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
- 38°F
- Average low
- 16°F
- Precipitation
- 3.07 in
- Snowfall
- 14.5 in
- Record high
- 80°FFeb 21, 2018
- Record low
- -15°FFeb 24, 2015
- Chance of a freeze
- 100%
- Daylight
- 10 h 00 min to 11 h 12 min
- Cloud cover
- 62%
- Humidity
- 87%
- Dew point
- 23°F
- Wind
- 7.6 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 | 35°F | 13°F | 63°F 2016 | -3°F 2026 | 17% | |
| Feb 2 | 35°F | 13°F | 53°F 2014 | 1°F 2019 | 17% | |
| Feb 3 | 35°F | 13°F | 58°F 2016 | -10°F 2023 | 17% | |
| Feb 4 | 35°F | 14°F | 61°F 2019 | -13°F 2023 | 17% | |
| Feb 5 | 36°F | 14°F | 60°F 2019 | 2°F 2026 | 17% | |
| Feb 6 | 36°F | 14°F | 51°F 2012 | -11°F 2015 | 17% | |
| Feb 7 | 36°F | 14°F | 52°F 2005 | -1°F 2014 | 17% | |
| Feb 8 | 36°F | 14°F | 51°F 2005 | -4°F 2003 | 16% | |
| Feb 9 | 36°F | 14°F | 52°F 2024 | 4°F 2026 | 16% | |
| Feb 10 | 37°F | 14°F | 59°F 2024 | 2°F 2011 | 16% | |
| Feb 11 | 37°F | 15°F | 58°F 2009 | -9°F 2011 | 16% | |
| Feb 12 | 37°F | 15°F | 57°F 1999 | -6°F 2014 | 16% | |
| Feb 13 | 37°F | 15°F | 47°F 2023 | -8°F 2016 | 16% | |
| Feb 14 | 37°F | 15°F | 54°F 2011 | -12°F 2016 | 16% | |
| Feb 15 | 38°F | 15°F | 62°F 2023 | -5°F 2016 | 16% | |
| Feb 16 | 38°F | 16°F | 60°F 2006 | -5°F 2015 | 16% | |
| Feb 17 | 38°F | 16°F | 61°F 2022 | 1°F 2014 | 16% | |
| Feb 18 | 38°F | 16°F | 62°F 2022 | -6°F 2015 | 16% | |
| Feb 19 | 38°F | 16°F | 59°F 2017 | -2°F 2015 | 16% | |
| Feb 20 | 39°F | 17°F | 72°F 2018 | 2°F 2015 | 16% | |
| Feb 21 | 39°F | 17°F | 80°F 2018 | -14°F 2015 | 16% | |
| Feb 22 | 39°F | 17°F | 61°F 2017 | 6°F 2001 | 16% | |
| Feb 23 | 39°F | 17°F | 69°F 2017 | -5°F 2015 | 15% | |
| Feb 24 | 40°F | 18°F | 73°F 2017 | -15°F 2015 | 15% | |
| Feb 25 | 40°F | 18°F | 69°F 2017 | 4°F 2015 | 15% | |
| Feb 26 | 40°F | 18°F | 62°F 2002 | 0°F 2003 | 15% | |
| Feb 27 | 40°F | 19°F | 62°F 2024 | 1°F 2003 | 15% | |
| Feb 28 | 41°F | 19°F | 64°F 2018 | -1°F 2015 | 15% | |
| Feb 29 | 41°F | 19°F | 62°F 2016 | 2°F 2008 | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- February 1
- sunrise 7:00 AM, sunset 5:00 PM
- February 28
- sunrise 6:23 AM, sunset 5:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00275703 (Nashua Cwsu), public domain. Records: NOAA GHCN-Daily, station USW00004780, 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.