February Weather in Groton, United States

Last updated: June 24, 2025

In February, the average temperature in Groton, United States hovers around -10°C (14°F). Expect some impressive temperature variations, with a minimum dipping to -32°C (-25°F) and a maximum reaching 16°C (61°F). The region receives approximately 16 mm (0.6 in) of precipitation over 4 days, while the average humidity sits at a brisk 85%.

February Temperature in Groton

In February in Groton, the average temperature is -10°C (14°F), with maximums reaching 16°C (61°F) and minimums plummeting to -32°C (-25°F). Be prepared for a wide temperature range when traveling during this time, ensuring you pack for both chilly days and warmer spells.

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

The chart illustrates February 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, February typically has an average temperature of -10°C (14°F), with highs reaching up to 16°C (61°F) and lows dropping to around -32°C (-25°F).

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

February Precipitation in Groton

In Groton in February, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

February Precipitation Trends in Groton

The chart displays monthly precipitation patterns in Groton, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Groton, February typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Groton

In Groton in February, humidity is 85%. With an average temperature of -10°C (14°F), this humidity feels like navigating through a cold, damp fog that clings to your skin, making every step outside a challenge as the chill seeps into your bones.

February Average Humidity in Groton

This chart illustrates the average monthly humidity levels in Groton, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Groton is approximately 85%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Groton

In Groton in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Groton.

Maximum UV Index Levels in Groton for February

The chart shows the monthly maximum UV Index (UVI) for Groton in February, 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 February, the maximum UV index in Groton typically reaches 5, which falls under the moderate exposure category.

Data source: Groton February 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 February 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 February’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 February’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