| Climate data for Omaha (Eppley Airfield), 1991–2020 normals[a], extremes 1871–present[b] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 69 (21) |
80 (27) |
91 (33) |
96 (36) |
103 (39) |
107 (42) |
114 (46) |
111 (44) |
104 (40) |
96 (36) |
83 (28) |
74 (23) |
114 (46) |
| Mean maximum °F (°C) | 56.2 (13.4) |
61.6 (16.4) |
76.8 (24.9) |
86.3 (30.2) |
91.3 (32.9) |
95.9 (35.5) |
98.4 (36.9) |
96.8 (36.0) |
93.0 (33.9) |
85.3 (29.6) |
71.2 (21.8) |
58.3 (14.6) |
99.8 (37.7) |
| Mean daily maximum °F (°C) | 33.6 (0.9) |
38.6 (3.7) |
52.1 (11.2) |
64.1 (17.8) |
74.6 (23.7) |
84.4 (29.1) |
88.1 (31.2) |
85.8 (29.9) |
79.1 (26.2) |
65.5 (18.6) |
50.3 (10.2) |
37.7 (3.2) |
62.8 (17.1) |
| Daily mean °F (°C) | 24.4 (−4.2) |
28.9 (−1.7) |
41.0 (5.0) |
52.6 (11.4) |
63.6 (17.6) |
73.9 (23.3) |
78.1 (25.6) |
75.7 (24.3) |
67.6 (19.8) |
54.4 (12.4) |
40.2 (4.6) |
28.7 (−1.8) |
52.4 (11.3) |
| Mean daily minimum °F (°C) | 15.2 (−9.3) |
19.3 (−7.1) |
30.0 (−1.1) |
41.1 (5.1) |
52.7 (11.5) |
63.4 (17.4) |
68.0 (20.0) |
65.6 (18.7) |
56.1 (13.4) |
43.2 (6.2) |
30.2 (−1.0) |
19.8 (−6.8) |
42.1 (5.6) |
| Mean minimum °F (°C) | −7 (−22) |
−2.1 (−18.9) |
8.8 (−12.9) |
24.1 (−4.4) |
37.1 (2.8) |
49.8 (9.9) |
55.8 (13.2) |
53.6 (12.0) |
39.4 (4.1) |
25.7 (−3.5) |
12.9 (−10.6) |
−0.8 (−18.2) |
−10.6 (−23.7) |
| Record low °F (°C) | −32 (−36) |
−26 (−32) |
−16 (−27) |
5 (−15) |
25 (−4) |
39 (4) |
44 (7) |
43 (6) |
28 (−2) |
8 (−13) |
−14 (−26) |
−25 (−32) |
−32 (−36) |
| Average precipitation inches (mm) | 0.75 (19) |
0.95 (24) |
1.79 (45) |
3.17 (81) |
4.66 (118) |
4.44 (113) |
3.55 (90) |
4.60 (117) |
2.96 (75) |
2.32 (59) |
1.45 (37) |
1.22 (31) |
31.86 (809) |
| Average snowfall inches (cm) | 7.2 (18) |
7.8 (20) |
3.0 (7.6) |
1.0 (2.5) |
0.1 (0.25) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.5 (1.3) |
1.7 (4.3) |
5.8 (15) |
27.1 (69) |
| Average extreme snow depth inches (cm) | 5.5 (14) |
6.2 (16) |
3.2 (8.1) |
0.6 (1.5) |
0.1 (0.25) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.4 (1.0) |
0.8 (2.0) |
3.6 (9.1) |
9.1 (23) |
| Average precipitation days (≥ 0.01 in) | 6.9 | 7.3 | 8.0 | 10.5 | 12.8 | 11.0 | 9.9 | 8.9 | 7.8 | 7.2 | 6.0 | 6.8 | 103.1 |
| Average snowy days (≥ 0.1 in) | 5.6 | 5.7 | 2.4 | 0.9 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 1.8 | 4.8 | 21.7 |
| Average relative humidity (%) | 71.1 | 71.1 | 66.3 | 60.6 | 63.8 | 65.8 | 68.3 | 70.9 | 71.8 | 67.4 | 71.1 | 73.8 | 68.5 |
| Average dew point °F (°C) | 12.7 (−10.7) |
17.8 (−7.9) |
26.8 (−2.9) |
37.0 (2.8) |
48.7 (9.3) |
59.2 (15.1) |
64.8 (18.2) |
63.0 (17.2) |
54.3 (12.4) |
41.4 (5.2) |
29.5 (−1.4) |
17.6 (−8.0) |
39.4 (4.1) |
| Mean monthly sunshine hours | 167.8 | 157.6 | 206.4 | 230.1 | 277.1 | 314.0 | 332.5 | 296.3 | 245.5 | 217.5 | 148.0 | 134.1 | 2,726.9 |
| Percent possible sunshine | 56 | 53 | 56 | 58 | 62 | 69 | 72 | 69 | 66 | 63 | 50 | 47 | 61 |
| Average ultraviolet index | 2 | 2 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | 5 |
| Source: NOAA (relative humidity 1961–1990 at Eppley Airfield, sun 1961–1990 at former Omaha NWS weather forecast office at 41°21′13″N 96°01′24″W / 41.3536°N 96.0233°W)[2][3][4][5] | |||||||||||||
Notes
edit- ^ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
- ^ Official records for Omaha kept at the Weather Bureau Office from January 1871 to May 1935 and at Eppley Airfield since June 1935 except for June 1977 thru December 1993 when the official station was Omaha WSFO.[1]
References
edit- ^ ThreadEx
- ^ "Station: Omaha Eppley Airfield, NE". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2024-01-10. Retrieved November 11, 2021.
- ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved November 11, 2021.
- ^ "WMO Climate Normals for OMAHA,EPPLEY FIELD, NE 1961–1990". National Oceanic and Atmospheric Administration. Archived from the original on 2023-12-24. Retrieved November 11, 2021.
- ^ "WMO Climate Normals for OMAHA/NORTH, NE 1961–1990". National Oceanic and Atmospheric Administration. Archived from the original on 2023-03-23. Retrieved November 11, 2021.