April weather in Groton, NY
The average temperature in Groton in April is 42.9°F (32.6°F–53.2°F). Average precipitation: 3.19 inches. Average snowfall is 2.4 inches.
April is a spring month in Groton, and is cooler than the annual average of 45.2°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 10m. For travel, April is cool.
Avg High
53.2°F
Avg Low
32.6°F
Precipitation
3.19 in
Snow
2.4 in
April records in Groton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 70.0°F (2026) | 15.1°F (2015) | 1.52 in (2026) |
| April 2 | 69.1°F (2023) | 15.1°F (2021) | 1.01 in (1973) |
| April 3 | 61.0°F (2015) | 16.0°F (2021) | 2.34 in (2005) |
| April 4 | 73.9°F (2025) | 15.1°F (2013) | 1.77 in (2009) |
| April 5 | 70.0°F (2026) | -4.0°F (2016) | 0.86 in (2003) |
| April 6 | 70.0°F (2023) | 5.0°F (2016) | 1.50 in (1984) |
| April 7 | 69.1°F (2021) | 19.0°F (2012) | 1.40 in (2017) |
| April 8 | 68.0°F (2019) | 17.1°F (2018) | 0.93 in (2022) |
| April 9 | 73.0°F (2021) | 17.1°F (2018) | 0.70 in (2015) |
| April 10 | 75.9°F (2024) | 21.0°F (2016) | 0.79 in (1980) |
| April 11 | 77.0°F (2017) | 21.0°F (2018) | 1.57 in (1993) |
| April 12 | 77.0°F (2017) | 23.0°F (2015) | 0.49 in (1999) |
| April 13 | 75.9°F (2023) | 21.9°F (2016) | 1.10 in (1987) |
| April 14 | 84.0°F (2023) | 24.1°F (2016) | 1.65 in (2004) |
| April 15 | 84.9°F (2023) | 25.0°F (2020) | 0.81 in (2019) |
| April 16 | 80.1°F (2023) | 19.9°F (2014) | 2.05 in (1983) |
| April 17 | 82.9°F (2012) | 21.0°F (2014) | 1.39 in (1993) |
| April 18 | 70.0°F (2016) | 21.9°F (1978) | 0.75 in (1967) |
| April 19 | 75.9°F (2026) | 28.0°F (2015) | 1.00 in (2026) |
| April 20 | 73.0°F (2025) | 24.1°F (2016) | 1.21 in (1985) |
| April 21 | 75.0°F (2019) | 21.9°F (2018) | 1.40 in (2017) |
| April 22 | 84.0°F (2023) | 21.9°F (2018) | 1.34 in (1958) |
| April 23 | 73.0°F (2023) | 19.9°F (2021) | 1.14 in (2012) |
| April 24 | 72.0°F (2019) | 21.9°F (2020) | 1.07 in (1977) |
| April 25 | 82.0°F (2022) | 21.9°F (2024) | 0.93 in (1961) |
| April 26 | 75.9°F (2025) | 21.0°F (2024) | 0.81 in (1976) |
| April 27 | 81.0°F (2011) | 25.0°F (2016) | 1.28 in (2020) |
| April 28 | 75.9°F (2011) | 21.9°F (2012) | 1.00 in (2011) |
| April 29 | 75.9°F (2021) | 19.9°F (2012) | 0.53 in (1980) |
| April 30 | 82.0°F (2025) | 24.1°F (2012) | 1.00 in (2021) |