Groton, us-Connecticut State, USA in December 2025 Historical Weather Query

Temperature Unit：

Wind Speed Unit：

Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
1 -1.9 28.6 ~ 5.8°C 42.4°F Sunrise: 06:55 Sunset: 16:19	2 -1.9 28.6 ~ 6.5°C 43.7°F Sunrise: 06:56 Sunset: 16:19	3 -0.7 30.7 ~ 5°C 41°F Sunrise: 06:57 Sunset: 16:19	4 -6.2 20.8 ~ 5.4°C 41.7°F Sunrise: 06:58 Sunset: 16:18	5 -9.4 15.1 ~ -0.6°C 30.9°F Sunrise: 06:59 Sunset: 16:18	6 -1.1 30 ~ 6.5°C 43.7°F Sunrise: 07:00 Sunset: 16:18	7 -1.2 29.8 ~ 5°C 41°F Sunrise: 07:01 Sunset: 16:18
8 -6.9 19.6 ~ 1.5°C 34.7°F Sunrise: 07:01 Sunset: 16:18	9 -10.2 13.6 ~ 4.8°C 40.6°F Sunrise: 07:02 Sunset: 16:18	10 2.5 36.5 ~ 9.3°C 48.7°F Sunrise: 07:03 Sunset: 16:18	11 -3.6 25.5 ~ 5.8°C 42.4°F Sunrise: 07:04 Sunset: 16:18	12 -4.8 23.4 ~ 1.6°C 34.9°F Sunrise: 07:05 Sunset: 16:18	13 -3.7 25.3 ~ 5°C 41°F Sunrise: 07:05 Sunset: 16:18	14 -6.8 19.8 ~ 0.8°C 33.4°F Sunrise: 07:06 Sunset: 16:19
15 -11.1 12 ~ -4.1°C 24.6°F Sunrise: 07:07 Sunset: 16:19	16 -5.4 22.3 ~ 0.6°C 33.1°F Sunrise: 07:07 Sunset: 16:19	17 -0.9 30.4 ~ 6.5°C 43.7°F Sunrise: 07:08 Sunset: 16:20	18 -2.2 28 ~ 9.8°C 49.6°F Sunrise: 07:09 Sunset: 16:20	19 1.4 34.5 ~ 13.3°C 55.9°F Sunrise: 07:09 Sunset: 16:20	20 -1.2 29.8 ~ 3.7°C 38.7°F Sunrise: 07:10 Sunset: 16:21	21 -1.6 29.1 ~ 8.5°C 47.3°F Sunrise: 07:10 Sunset: 16:21
22 -4 24.8 ~ 2.2°C 36°F Sunrise: 07:11 Sunset: 16:22	23 0.4 32.7 ~ 4.1°C 39.4°F Sunrise: 07:11 Sunset: 16:22	24 -2.6 27.3 ~ 5.6°C 42.1°F Sunrise: 07:12 Sunset: 16:23	25 -5.7 21.7 ~ 6.3°C 43.3°F Sunrise: 07:12 Sunset: 16:24	26 -8.6 16.5 ~ -2.9°C 26.8°F Sunrise: 07:12 Sunset: 16:24	27 -7.4 18.7 ~ -2.5°C 27.5°F Sunrise: 07:13 Sunset: 16:25	28 -9.3 15.3 ~ 4.1°C 39.4°F Sunrise: 07:13 Sunset: 16:26
29 -0.6 30.9 ~ 8.2°C 46.8°F Sunrise: 07:13 Sunset: 16:26	30 -4.4 24.1 ~ -1.3°C 29.7°F Sunrise: 07:13 Sunset: 16:27	31 -3.6 25.5 ~ 0.2°C 32.4°F Sunrise: 07:14 Sunset: 16:28

Groton, us-Connecticut State, USA December 2025, including Minimum Temperature, Maximum Temperature, Total Precipitation, Total Snowfall, Rainy Days, Snowy Days, Maximum Wind Speed etc. Minimum Temperature is -11.1 °C, Maximum Temperature is 13.3 °C, Total Precipitation is 77.5 mm, Total Snowfall is 14.7 cm, Rainy Days is 7 days, Snowy Days is 5 days, Maximum Wind Speed is 112 km/h.

Show Fields

Wind Speed Wind Direction Apparent Temperature Precipitation Snowfall Sunshine Duration Shortwave Radiation ET0 FAO Evapotranspiration

Date

Weather

Temperature

Wind Speed

Wind Direction

Apparent Temperature

Precipitation

Snowfall

Sunshine Duration

Shortwave Radiation

ET0 FAO Evapotranspiration

12/1

Overcast

-1.9 28.6

5.8°C 42.4°F

52.9 km/h 32.9 mph 14.7 m/s 28.6 knots

↑

-6.3 ~ 1.5°C 20.7 ~ 34.7°F

0 mm

0 cm

8.4 h

9.3 MJ/m²

1.5 mm

12/2

Moderate rain

-1.9 28.6

6.5°C 43.7°F

61.2 km/h 38 mph 17 m/s 33 knots

↑

-6.8 ~ 3.4°C 19.8 ~ 38.1°F

18.6 mm

0 cm

0 h

1 MJ/m²

0.4 mm

12/3

Light drizzle

-0.7 30.7

5°C 41°F

55.1 km/h 34.2 mph 15.3 m/s 29.8 knots

↑

-5.7 ~ 0.9°C 21.7 ~ 33.6°F

0.5 mm

0 cm

8.3 h

8.9 MJ/m²

1.1 mm

12/4

Overcast

-6.2 20.8

5.4°C 41.7°F

64.4 km/h 40 mph 17.9 m/s 34.8 knots

↑

-13.3 ~ 0.1°C 8.1 ~ 32.2°F

0 mm

0 cm

6.1 h

6.2 MJ/m²

1.3 mm

12/5

Overcast

-9.4 15.1

-0.6°C 30.9°F

47.9 km/h 29.8 mph 13.3 m/s 25.9 knots

↑

-14.5 ~ -4.3°C 5.9 ~ 24.3°F

0 mm

0 cm

7.5 h

8.7 MJ/m²

0.9 mm

12/6

Overcast

-1.1 30

6.5°C 43.7°F

34.6 km/h 21.5 mph 9.6 m/s 18.7 knots

↑

-5.1 ~ 2.3°C 22.8 ~ 36.1°F

0 mm

0 cm

3.5 h

4.5 MJ/m²

0.6 mm

12/7

Overcast

-1.2 29.8

5°C 41°F

36 km/h 22.4 mph 10 m/s 19.4 knots

↑

-5.1 ~ 1.6°C 22.8 ~ 34.9°F

0 mm

0 cm

8.2 h

8.6 MJ/m²

1.2 mm

12/8

Overcast

-6.9 19.6

1.5°C 34.7°F

48.6 km/h 30.2 mph 13.5 m/s 26.2 knots

↑

-12.8 ~ -3.8°C 9 ~ 25.2°F

0 mm

0 cm

7.6 h

7.9 MJ/m²

1.4 mm

12/9

Overcast

-10.2 13.6

4.8°C 40.6°F

61.6 km/h 38.3 mph 17.1 m/s 33.3 knots

↑

-15.5 ~ -2°C 4.1 ~ 28.4°F

0 mm

0 cm

7.8 h

9.1 MJ/m²

1.3 mm

12/10

Moderate drizzle

2.5 36.5

9.3°C 48.7°F

67.3 km/h 41.8 mph 18.7 m/s 36.3 knots

↑

-3.2 ~ 4.1°C 26.2 ~ 39.4°F

2.1 mm

0 cm

5.4 h

5.8 MJ/m²

1.2 mm

12/11

Overcast

-3.6 25.5

5.8°C 42.4°F

65.9 km/h 40.9 mph 18.3 m/s 35.6 knots

↑

-10.8 ~ 0.9°C 12.6 ~ 33.6°F

0 mm

0 cm

7 h

8.1 MJ/m²

1.5 mm

12/12

Clear sky

-4.8 23.4

1.6°C 34.9°F

52.6 km/h 32.7 mph 14.6 m/s 28.4 knots

↑

-11.1 ~ -4.7°C 12 ~ 23.5°F

0 mm

0 cm

8.2 h

8.8 MJ/m²

1.6 mm

12/13

Slight snow

-3.7 25.3

5°C 41°F

47.9 km/h 29.8 mph 13.3 m/s 25.9 knots

↑

-7.9 ~ -0.3°C 17.8 ~ 31.5°F

0.4 mm

0.3 cm

3 h

5 MJ/m²

1 mm

12/14

Moderate snow

-6.8 19.8

0.8°C 33.4°F

52.6 km/h 32.7 mph 14.6 m/s 28.4 knots

↑

-13.5 ~ -2.6°C 7.7 ~ 27.3°F

8.3 mm

5.8 cm

0 h

2.7 MJ/m²

0.5 mm

12/15

Overcast

-11.1 12

-4.1°C 24.6°F

50.8 km/h 31.6 mph 14.1 m/s 27.4 knots

↑

-17.7 ~ -9.6°C 0.1 ~ 14.7°F

0 mm

0 cm

8.1 h

9 MJ/m²

0.9 mm

12/16

Overcast

-5.4 22.3

0.6°C 33.1°F

42.8 km/h 26.6 mph 11.9 m/s 23.1 knots

↑

-10.4 ~ -4.2°C 13.3 ~ 24.4°F

0 mm

0 cm

8.1 h

9 MJ/m²

1 mm

12/17

Overcast

-0.9 30.4

6.5°C 43.7°F

48.2 km/h 30 mph 13.4 m/s 26 knots

↑

-6.3 ~ 1.5°C 20.7 ~ 34.7°F

0 mm

0 cm

5.1 h

5.4 MJ/m²

1.2 mm

12/18

Overcast

-2.2 28

9.8°C 49.6°F

40.7 km/h 25.3 mph 11.3 m/s 22 knots

↑

-5.7 ~ 6.4°C 21.7 ~ 43.5°F

0 mm

0 cm

8.1 h

8.7 MJ/m²

1 mm

12/19

Moderate rain

1.4 34.5

13.3°C 55.9°F

112 km/h 69.6 mph 31.1 m/s 60.5 knots

↑

-5.9 ~ 8.6°C 21.4 ~ 47.5°F

22.7 mm

0 cm

0.8 h

1.8 MJ/m²

0.6 mm

12/20

Overcast

-1.2 29.8

3.7°C 38.7°F

58.7 km/h 36.5 mph 16.3 m/s 31.7 knots

↑

-7.3 ~ -0.6°C 18.9 ~ 30.9°F

0 mm

0 cm

8.1 h

8.2 MJ/m²

1.4 mm

12/21

Overcast

-1.6 29.1

8.5°C 47.3°F

58.7 km/h 36.5 mph 16.3 m/s 31.7 knots

↑

-7.3 ~ 2.6°C 18.9 ~ 36.7°F

0 mm

0 cm

8 h

8 MJ/m²

1.7 mm

12/22

Overcast

-4 24.8

2.2°C 36°F

50.4 km/h 31.3 mph 14 m/s 27.2 knots

↑

-11 ~ -2.8°C 12.2 ~ 27°F

0 mm

0 cm

8.1 h

8.5 MJ/m²

1.4 mm

12/23

Moderate snow

0.4 32.7

4.1°C 39.4°F

30.6 km/h 19 mph 8.5 m/s 16.5 knots

↑

-4.1 ~ 1.3°C 24.6 ~ 34.3°F

4.5 mm

0.7 cm

0 h

3 MJ/m²

0.5 mm

12/24

Overcast

-2.6 27.3

5.6°C 42.1°F

78.5 km/h 48.8 mph 21.8 m/s 42.4 knots

↑

-6.8 ~ -0.7°C 19.8 ~ 30.7°F

0 mm

0 cm

6.5 h

6.1 MJ/m²

1.2 mm

12/25

Overcast

-5.7 21.7

6.3°C 43.3°F

58.3 km/h 36.2 mph 16.2 m/s 31.5 knots

↑

-12.4 ~ 1.6°C 9.7 ~ 34.9°F

0 mm

0 cm

2.3 h

3.7 MJ/m²

1.1 mm

12/26

Heavy snow

-8.6 16.5

-2.9°C 26.8°F

51.1 km/h 31.8 mph 14.2 m/s 27.6 knots

↑

-15.2 ~ -7.2°C 4.6 ~ 19°F

8.1 mm

5.7 cm

6.9 h

6.8 MJ/m²

1 mm

12/27

Moderate snow

-7.4 18.7

-2.5°C 27.5°F

40 km/h 24.9 mph 11.1 m/s 21.6 knots

↑

-12.3 ~ -7.3°C 9.9 ~ 18.9°F

3.1 mm

2.2 cm

4.9 h

6.4 MJ/m²

0.5 mm

12/28

Light drizzle

-9.3 15.3

4.1°C 39.4°F

34.2 km/h 21.3 mph 9.5 m/s 18.5 knots

↑

-14.4 ~ -0.3°C 6.1 ~ 31.5°F

0.4 mm

0 cm

6.1 h

7.7 MJ/m²

0.7 mm

12/29

Slight rain

-0.6 30.9

8.2°C 46.8°F

64.4 km/h 40 mph 17.9 m/s 34.8 knots

↑

-8.2 ~ 4.9°C 17.2 ~ 40.8°F

8.8 mm

0 cm

0 h

1.2 MJ/m²

0.5 mm

12/30

Overcast

-4.4 24.1

-1.3°C 29.7°F

83.5 km/h 51.9 mph 23.2 m/s 45.1 knots

↑

-11.4 ~ -8.9°C 11.5 ~ 16°F

0 mm

0 cm

6.2 h

6.6 MJ/m²

1.7 mm

12/31

Overcast

-3.6 25.5

0.2°C 32.4°F

56.2 km/h 34.9 mph 15.6 m/s 30.3 knots

↑

-10.9 ~ -5.9°C 12.4 ~ 21.4°F

0 mm

0 cm

7 h

7.9 MJ/m²

1.5 mm

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Monthly Statistics

77.5 mm

Total Precipitation

14.7 cm

Total Snowfall

9.2 hour

Average Daily Daylight Duration

5.7 hour

Average Daily Sunshine Duration

-11.1 °C 12 °F

Minimum Temperature

13.3 °C 55.9 °F

Maximum Temperature

Location Map

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