November Weather in Groton, United States

Last updated: June 24, 2025

In Groton, United States, the average temperature in November hovers around 0°C (33°F). Expect chilly conditions, with minimums dipping to -16°C (4°F) and occasional highs reaching 23°C (74°F). During this month, you can anticipate approximately 17 mm (0.7 in) of precipitation spread over 3 days, complemented by a notably high average humidity of 84%.

November Temperature in Groton

In November in Groton, the average temperature is 0°C (33°F). Maximums can reach 23°C (74°F) and minimums can be as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, while visiting during this time.

November Weather in Groton: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Groton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groton, November typically has an average temperature of 0°C (33°F), with highs reaching up to 23°C (74°F) and lows dropping to around -16°C (4°F).

Data source: Temperature data for Groton generated using information from the Copernicus Climate Change Service.

November Precipitation in Groton

In Groton in November, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

November Precipitation Trends in Groton

The chart displays monthly precipitation patterns in Groton, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Groton, November typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

November Humidity in Groton

In Groton in November humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.

November Average Humidity in Groton

This chart illustrates the average monthly humidity levels in Groton, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Groton is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Groton

In Groton in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Groton, you can check the information here.

Maximum UV Index Levels in Groton for November

The chart shows the monthly maximum UV Index (UVI) for Groton in November, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In November, the maximum UV index in Groton typically reaches 3, which falls under the moderate exposure category.

Data source: Groton November UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How November Weather in Groton Compares to Other Months

Weather in Groton varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in Groton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Groton, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	18 mm (0.7 inches)	81%	moderate
February Weather	-10°C (14°F)	16 mm (0.6 inches)	85%	moderate
March Weather	-1°C (31°F)	35 mm (1.4 inches)	76%	moderate
April Weather	5°C (41°F)	47 mm (1.9 inches)	79%	high
May Weather	14°C (57°F)	64 mm (2.5 inches)	76%	very high
June Weather	22°C (71°F)	65 mm (2.6 inches)	81%	very high
July Weather	24°C (75°F)	76 mm (3.0 inches)	82%	very high
August Weather	21°C (71°F)	108 mm (4.2 inches)	82%	very high
September Weather	17°C (63°F)	88 mm (3.5 inches)	77%	high
October Weather	8°C (46°F)	76 mm (3.0 inches)	76%	moderate
November Weather	0°C (33°F)	17 mm (0.7 inches)	84%	moderate
December Weather	-5°C (23°F)	33 mm (1.3 inches)	81%	low