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Sea Temperature in Groton in May
Complete information on the sea temperature range in the Atlantic Ocean in Groton in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Groton. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Groton in May
8°C
MINIMUN
12.5°C
AVERAGE
17°C
MAXIMUM
Historical Data of Water Temperature in May in Groton
Water Temperature Chart for Atlantic Ocean in Groton in May
Sea Temperature Table in Groton in May Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| May 1 | 10°C | 8°C | 8°C | 8.5°C |
| May 2 | 10°C | 8°C | 9°C | 9.0°C |
| May 3 | 10°C | 9°C | 9°C | 9.0°C |
| May 4 | 11°C | 9°C | 9°C | 9.3°C |
| May 5 | 10°C | 9°C | 10°C | 9.5°C |
| May 6 | 10°C | 10°C | 10°C | 9.8°C |
| May 7 | 9°C | 10°C | 10°C | 9.5°C |
| May 8 | 10°C | 9°C | 10°C | 9.8°C |
| May 9 | 10°C | 9°C | 11°C | 9.8°C |
| May 10 | 11°C | 9°C | 11°C | 10.0°C |
| May 11 | 10°C | 9°C | 11°C | 9.8°C |
| May 12 | 11°C | 9°C | 12°C | 10.3°C |
| May 13 | 11°C | 9°C | 12°C | 10.5°C |
| May 14 | 12°C | 9°C | 12°C | 11.0°C |
| May 15 | 11°C | 10°C | 13°C | 11.3°C |
| May 16 | 12°C | 11°C | 13°C | 11.8°C |
| May 17 | 13°C | 11°C | 13°C | 11.8°C |
| May 18 | 13°C | 11°C | 13°C | 11.8°C |
| May 19 | 13°C | 12°C | 14°C | 12.5°C |
| May 20 | 13°C | 12°C | 14°C | 12.5°C |
| May 21 | 14°C | 11°C | 14°C | 12.8°C |
| May 22 | 14°C | 12°C | 14°C | 13.0°C |
| May 23 | 16°C | 12°C | 14°C | 13.5°C |
| May 24 | 15°C | 12°C | 14°C | 13.5°C |
| May 25 | 15°C | 12°C | 14°C | 13.5°C |
| May 26 | 14°C | 12°C | 14°C | 13.3°C |
| May 27 | 15°C | 13°C | 14°C | 14.0°C |
| May 28 | 14°C | 14°C | 14°C | 14.0°C |
| May 29 | 14°C | 14°C | 14°C | 14.3°C |
| May 30 | 13°C | 14°C | 14°C | 13.8°C |
Groton Climate and Swimming Opportunities in May
20°C
Average Day Air Temperature
9°C
Average Night Air Temperature
92 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
14 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
69%
Average
humidity
Groton lies within the Connecticut in United States. The average daytime temperature in Groton in May is 68°F (20°C), while the nighttime average is 48°F (9°C). There are typically 11 rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in May in Groton is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in May is 9 mph (15 km/h), and the humidity level is around 69%.
The water temperature in Groton in May ranges from 46°F to 57°F (8°C to 14°C). At the beginning of the month, the average temperature is around 48°F (9°C), shifting to 52°F (11°C) by mid-May and reaching 55°F (13°C) in the last ten days. Overall, the average sea temperature in Groton for May is 52°F (11°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in May in Nearby Cities
Frequently Asked Questions About Water Temperatures in May in Groton
What is the sea temperature in Groton in May?
The water temperature in the Atlantic Ocean in Groton in May ranges from 46°F to 57°F (8°C to 14°C).
Is it possible to swim in the Atlantic Ocean in Groton in May?
The average sea temperature in Groton in May is 52°F (11°C), and the air temperature is 68°F (20°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.