| Climate data for Newark, New Jersey (Newark Liberty Int'l), 1991–2020 normals, extremes 1893–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 74 (23) |
80 (27) |
89 (32) |
97 (36) |
99 (37) |
103 (39) |
108 (42) |
105 (41) |
105 (41) |
96 (36) |
85 (29) |
76 (24) |
108 (42) |
| Mean maximum °F (°C) | 61.8 (16.6) |
62.5 (16.9) |
72.3 (22.4) |
84.4 (29.1) |
91.4 (33.0) |
95.9 (35.5) |
98.7 (37.1) |
95.9 (35.5) |
91.5 (33.1) |
82.4 (28.0) |
72.2 (22.3) |
63.8 (17.7) |
100.0 (37.8) |
| Mean daily maximum °F (°C) | 40.0 (4.4) |
43.0 (6.1) |
50.9 (10.5) |
62.6 (17.0) |
72.6 (22.6) |
81.8 (27.7) |
86.9 (30.5) |
84.7 (29.3) |
77.7 (25.4) |
66.0 (18.9) |
54.9 (12.7) |
44.8 (7.1) |
63.8 (17.7) |
| Daily mean °F (°C) | 32.8 (0.4) |
35.1 (1.7) |
42.5 (5.8) |
53.3 (11.8) |
63.3 (17.4) |
72.7 (22.6) |
78.2 (25.7) |
76.4 (24.7) |
69.2 (20.7) |
57.5 (14.2) |
47.0 (8.3) |
38.0 (3.3) |
55.5 (13.1) |
| Mean daily minimum °F (°C) | 25.5 (−3.6) |
27.2 (−2.7) |
34.2 (1.2) |
44.1 (6.7) |
53.9 (12.2) |
63.6 (17.6) |
69.4 (20.8) |
68.0 (20.0) |
60.7 (15.9) |
49.0 (9.4) |
39.0 (3.9) |
31.2 (−0.4) |
47.1 (8.4) |
| Mean minimum °F (°C) | 9.1 (−12.7) |
12.1 (−11.1) |
19.4 (−7.0) |
32.3 (0.2) |
42.5 (5.8) |
52.5 (11.4) |
61.9 (16.6) |
59.2 (15.1) |
48.3 (9.1) |
36.1 (2.3) |
25.9 (−3.4) |
17.2 (−8.2) |
7.0 (−13.9) |
| Record low °F (°C) | −10 (−23) |
−14 (−26) |
3 (−16) |
13 (−11) |
33 (1) |
41 (5) |
49 (9) |
45 (7) |
34 (1) |
25 (−4) |
12 (−11) |
−13 (−25) |
−14 (−26) |
| Average precipitation inches (mm) | 3.42 (87) |
2.98 (76) |
4.13 (105) |
3.87 (98) |
3.97 (101) |
4.34 (110) |
4.66 (118) |
4.15 (105) |
3.82 (97) |
3.79 (96) |
3.33 (85) |
4.14 (105) |
46.60 (1,184) |
| Average snowfall inches (cm) | 9.1 (23) |
10.1 (26) |
5.6 (14) |
0.5 (1.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.2 (0.51) |
0.6 (1.5) |
5.4 (14) |
31.5 (80) |
| Average extreme snow depth inches (cm) | 5.6 (14) |
6.3 (16) |
3.2 (8.1) |
0.2 (0.51) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.25) |
0.4 (1.0) |
3.7 (9.4) |
10.8 (27) |
| Average precipitation days (≥ 0.01 in) | 10.6 | 10.0 | 10.9 | 11.5 | 11.4 | 10.9 | 10.0 | 9.8 | 8.7 | 9.4 | 8.8 | 11.1 | 123.1 |
| Average snowy days (≥ 0.1 in) | 4.6 | 3.8 | 2.7 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 2.8 | 14.5 |
| Average relative humidity (%) | 65.4 | 63.3 | 59.9 | 57.5 | 62.0 | 63.0 | 63.4 | 66.2 | 67.9 | 66.3 | 66.5 | 66.7 | 64.0 |
| Average dew point °F (°C) | 19.2 (−7.1) |
20.5 (−6.4) |
27.1 (−2.7) |
35.2 (1.8) |
47.7 (8.7) |
57.0 (13.9) |
62.2 (16.8) |
62.4 (16.9) |
56.1 (13.4) |
44.6 (7.0) |
35.2 (1.8) |
24.8 (−4.0) |
41.0 (5.0) |
| Average ultraviolet index | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 | 5 |
| Source 1: NOAA (relative humidity and dew point 1961-1989)[1][2][3] | |||||||||||||
| Source 2: Weather Atlas (UV)[4] | |||||||||||||
| Climate data for Newark | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average sea temperature °F (°C) | 41.7 (5.4) |
39.7 (4.3) |
40.2 (4.5) |
45.1 (7.3) |
52.5 (11.4) |
64.5 (18.1) |
72.1 (22.3) |
74.1 (23.4) |
70.1 (21.2) |
63.0 (17.3) |
54.3 (12.4) |
47.2 (8.4) |
55.4 (13.0) |
| Source: Weather Atlas[4] | |||||||||||||
- ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved August 10, 2021.
- ^ "Station: Newark INTL AP, NJ". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved August 10, 2021.
- ^ "Newark Climate Normals 1961-1990". National Oceanic and Atmospheric Administration. Retrieved August 21, 2023.
- ^ a b "Newark, New Jersey, USA - Monthly weather forecast and Climate data". Weather Atlas. Retrieved July 4, 2019.