Template:Weather box New London
| Climate data for New London (Groton) 1991–2020 normals, extremes 1957–2021 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 69 (20.6) |
67 (19.4) |
78 (25.6) |
88 (31.1) |
91 (32.8) |
95 (35) |
101 (38.3) |
99 (37.2) |
93 (33.9) |
87 (30.6) |
79 (26.1) |
69 (20.6) |
101 (38.3) |
| Average high °F (°C) | 38.8 (3.78) |
40.8 (4.89) |
47.3 (8.5) |
56.9 (13.83) |
66.4 (19.11) |
75.2 (24) |
80.8 (27.11) |
79.8 (26.56) |
73.6 (23.11) |
63.3 (17.39) |
53.2 (11.78) |
44.1 (6.72) |
60.0 (15.56) |
| Daily mean °F (°C) | 31.3 (-0.39) |
32.9 (0.5) |
39.5 (4.17) |
48.9 (9.39) |
58.1 (14.5) |
67.3 (19.61) |
73.4 (23) |
72.5 (22.5) |
65.8 (18.78) |
55.2 (12.89) |
45.5 (7.5) |
36.8 (2.67) |
52.3 (11.28) |
| Average low °F (°C) | 23.8 (-4.56) |
24.9 (-3.94) |
31.6 (-0.22) |
40.9 (4.94) |
49.9 (9.94) |
59.3 (15.17) |
65.9 (18.83) |
65.1 (18.39) |
58.0 (14.44) |
47.1 (8.39) |
37.9 (3.28) |
29.5 (-1.39) |
44.5 (6.94) |
| Record low °F (°C) | −14 (-25.6) |
−12 (-24.4) |
0 (-17.8) |
14 (-10) |
30 (-1.1) |
38 (3.3) |
47 (8.3) |
41 (5) |
29 (-1.7) |
22 (-5.6) |
8 (-13.3) |
−10 (-23.3) |
−14 (-25.6) |
| Precipitation inches (mm) | 3.91 (99.3) |
3.42 (86.9) |
4.92 (125) |
4.40 (111.8) |
3.67 (93.2) |
3.93 (99.8) |
3.42 (86.9) |
4.19 (106.4) |
4.29 (109) |
4.42 (112.3) |
3.75 (95.3) |
4.59 (116.6) |
48.91 (1,242.3) |
| Snowfall inches (cm) | 5.8 (14.7) |
8.3 (21.1) |
3.9 (9.9) |
0.8 (2) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
0.5 (1.3) |
5.2 (13.2) |
24.5 (62.2) |
| Avg. precipitation days (≥ 0.01 in) | 11.4 | 9.7 | 11.5 | 11.6 | 11.9 | 9.5 | 9.7 | 9.3 | 10.2 | 10.4 | 10.0 | 12.4 | 127.6 |
| Avg. snowy days (≥ 0.1 in) | 3.1 | 2.7 | 1.7 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 1.9 | 9.9 |
| Source: NOAA[1][2] | |||||||||||||
- ↑ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved June 2, 2021.
- ↑ "Station: Groton, CT". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved June 2, 2021.