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Template:Anchorage weatherbox

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Climate data for Ted Stevens Anchorage International Airport, Alaska (1991−2020 normals,[1] extremes 1953−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 50
(10)
49
(9)
53
(12)
69
(21)
77
(25)
85
(29)
90
(32)
82
(28)
73
(23)
64
(18)
54
(12)
51
(11)
90
(32)
Mean maximum °F (°C) 41.8
(5.4)
42.7
(5.9)
44.2
(6.8)
56.3
(13.5)
69.5
(20.8)
74.5
(23.6)
76.0
(24.4)
73.7
(23.2)
65.0
(18.3)
54.8
(12.7)
42.7
(5.9)
42.3
(5.7)
77.7
(25.4)
Mean daily maximum °F (°C) 22.7
(−5.2)
27.3
(−2.6)
33.0
(0.6)
45.1
(7.3)
56.3
(13.5)
63.4
(17.4)
66.2
(19.0)
64.0
(17.8)
55.7
(13.2)
42.0
(5.6)
28.9
(−1.7)
25.0
(−3.9)
44.1
(6.7)
Daily mean °F (°C) 16.9
(−8.4)
21.3
(−5.9)
25.8
(−3.4)
37.5
(3.1)
48.1
(8.9)
55.9
(13.3)
59.6
(15.3)
57.5
(14.2)
49.3
(9.6)
36.3
(2.4)
23.6
(−4.7)
19.4
(−7.0)
37.6
(3.1)
Mean daily minimum °F (°C) 11.0
(−11.7)
15.2
(−9.3)
18.6
(−7.4)
29.9
(−1.2)
40.0
(4.4)
48.4
(9.1)
52.9
(11.6)
50.9
(10.5)
42.9
(6.1)
30.7
(−0.7)
18.3
(−7.6)
13.8
(−10.1)
31.0
(−0.6)
Mean minimum °F (°C) −9.3
(−22.9)
−3.6
(−19.8)
1.2
(−17.1)
17.6
(−8.0)
30.7
(−0.7)
40.5
(4.7)
46.7
(8.2)
42.7
(5.9)
30.9
(−0.6)
16.1
(−8.8)
0.8
(−17.3)
−4.9
(−20.5)
−13.2
(−25.1)
Record low °F (°C) −34
(−37)
−28
(−33)
−24
(−31)
−4
(−20)
17
(−8)
33
(1)
36
(2)
31
(−1)
19
(−7)
−5
(−21)
−21
(−29)
−30
(−34)
−34
(−37)
Average precipitation inches (mm) 0.75
(19)
0.86
(22)
0.69
(18)
0.43
(11)
0.65
(17)
1.02
(26)
1.82
(46)
2.93
(74)
3.10
(79)
1.82
(46)
1.19
(30)
1.16
(29)
16.42
(417)
Average snowfall inches (cm) 12.4
(31)
13.4
(34)
11.0
(28)
4.0
(10)
0.3
(0.76)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.4
(1.0)
5.6
(14)
12.6
(32)
18.2
(46)
77.9
(198)
Average extreme snow depth inches (cm) 16.4
(42)
19.0
(48)
19.9
(51)
12.7
(32)
0.3
(0.76)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.2
(0.51)
3.2
(8.1)
8.8
(22)
14.7
(37)
24.5
(62)
Average precipitation days (≥ 0.01 in) 8.1 7.9 6.0 4.9 6.5 8.6 11.7 14.4 14.9 11.5 9.8 10.8 115.1
Average snowy days (≥ 0.1 in) 8.8 7.8 6.1 2.5 0.3 0.0 0.0 0.0 0.3 3.2 7.7 10.8 47.5
Average relative humidity (%) 73.4 71.4 66.1 64.3 61.6 65.6 71.4 75.1 75.9 74.5 77.1 77.1 71.1
Average dew point °F (°C) 8.1
(−13.3)
11.1
(−11.6)
15.4
(−9.2)
24.1
(−4.4)
33.4
(0.8)
42.4
(5.8)
48.6
(9.2)
47.8
(8.8)
40.6
(4.8)
27.0
(−2.8)
15.3
(−9.3)
10.6
(−11.9)
27.0
(−2.8)
Mean monthly sunshine hours 82.9 120.5 195.8 235.3 288.7 274.7 250.1 203.9 159.8 117.1 80.6 51.8 2,061.2
Percent possible sunshine 41 48 53 53 53 48 44 42 41 38 37 30 46
Average ultraviolet index 0 0 1 2 4 5 5 4 2 1 0 0 2
Source 1: NOAA (relative humidity and sun 1961–1990)[2][3][4]
Source 2: Weather Atlas (UV)[5]
Climate data for Anchorage
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average sea temperature °F (°C) 36.9
(2.8)
35.8
(2.1)
36.1
(2.3)
37.5
(3.0)
42.4
(5.8)
47.7
(8.8)
52.4
(11.3)
53.1
(11.7)
51.6
(10.9)
47.5
(8.6)
43.0
(6.1)
39.6
(4.2)
43.6
(6.5)
Mean daily daylight hours 7.0 9.0 12.0 15.0 18.0 19.0 18.0 16.0 13.0 10.0 7.0 6.0 12.5
Source: Weather Atlas[5]

References

[edit]
  1. ^ Mean monthly maxima and minima (i.e. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020.
  2. ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 29, 2021.
  3. ^ "Station: Anchorage INTL AP, AK". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2023-07-14. Retrieved May 29, 2021.
  4. ^ "WMO climate normals for Anchorage/INTL, AK 1961−1990". National Oceanic and Atmospheric Administration. Archived from the original on 2023-07-14. Retrieved August 30, 2020.
  5. ^ a b "Anchorage, Alaska, USA - Monthly weather forecast and Climate data". Weather Atlas. Retrieved July 4, 2019.