United States · 1991–2020 normal
Groton in
May.
Typical May weather in Groton: 20°C by day, 7.8°C at night, 74 mm of rain over 7.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high20°C
Typical low7.8°C
Rain74 mm
Wet days7.9
Comfort score 64 this month (August leads the year at 83). Daylight is calculated as 14 h 52 from latitude 45.45°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5228242
- NOAA station
- USC00390120 · ANDOVER #2
- Station distance
- 15.5 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.