Climate data for Salt Lake City International Airport (1991–2020 normals, [a] extremes 1874–present) [b] | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °F (°C) | 63 (17) |
69 (21) |
80 (27) |
89 (32) |
99 (37) |
107 (42) |
107 (42) |
106 (41) |
107 (42) |
89 (32) |
75 (24) |
69 (21) |
107 (42) |
Mean maximum °F (°C) | 51.8 (11.0) |
58.8 (14.9) |
70.4 (21.3) |
80.2 (26.8) |
88.9 (31.6) |
97.9 (36.6) |
101.9 (38.8) |
99.6 (37.6) |
93.9 (34.4) |
82.0 (27.8) |
67.1 (19.5) |
54.3 (12.4) |
102.3 (39.1) |
Mean daily maximum °F (°C) | 38.6 (3.7) |
44.7 (7.1) |
55.3 (12.9) |
61.9 (16.6) |
72.6 (22.6) |
84.1 (28.9) |
94.0 (34.4) |
91.7 (33.2) |
80.6 (27.0) |
65.5 (18.6) |
50.7 (10.4) |
39.0 (3.9) |
64.9 (18.3) |
Daily mean °F (°C) | 31.4 (−0.3) |
36.6 (2.6) |
45.8 (7.7) |
51.8 (11.0) |
61.5 (16.4) |
71.6 (22.0) |
81.1 (27.3) |
79.1 (26.2) |
68.4 (20.2) |
54.6 (12.6) |
41.7 (5.4) |
32.2 (0.1) |
54.7 (12.6) |
Mean daily minimum °F (°C) | 24.2 (−4.3) |
28.6 (−1.9) |
36.3 (2.4) |
41.8 (5.4) |
50.4 (10.2) |
59.1 (15.1) |
68.2 (20.1) |
66.6 (19.2) |
56.3 (13.5) |
43.6 (6.4) |
32.8 (0.4) |
25.3 (−3.7) |
44.4 (6.9) |
Mean minimum °F (°C) | 6.5 (−14.2) |
9.2 (−12.7) |
21.0 (−6.1) |
28.7 (−1.8) |
34.8 (1.6) |
43.5 (6.4) |
54.9 (12.7) |
52.4 (11.3) |
39.7 (4.3) |
29.5 (−1.4) |
16.9 (−8.4) |
7.3 (−13.7) |
0.9 (−17.3) |
Record low °F (°C) | −22 (−30) |
−30 (−34) |
0 (−18) |
14 (−10) |
25 (−4) |
32 (0) |
40 (4) |
37 (3) |
27 (−3) |
14 (−10) |
−14 (−26) |
−21 (−29) |
−30 (−34) |
Average precipitation inches (mm) | 1.43 (36) |
1.30 (33) |
1.75 (44) |
2.16 (55) |
1.82 (46) |
0.95 (24) |
0.49 (12) |
0.58 (15) |
1.06 (27) |
1.26 (32) |
1.32 (34) |
1.40 (36) |
15.52 (394) |
Average snowfall inches (cm) | 12.7 (32) |
10.7 (27) |
5.9 (15) |
2.9 (7.4) |
0.1 (0.25) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.5 (1.3) |
7.0 (18) |
12.1 (31) |
51.9 (132) |
Average precipitation days (≥ 0.01 in) | 10.3 | 9.5 | 9.2 | 10.4 | 8.9 | 4.8 | 3.9 | 4.9 | 5.2 | 6.5 | 8.3 | 9.6 | 91.5 |
Average snowy days (≥ 0.1 in) | 7.6 | 6.0 | 4.0 | 2.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 3.6 | 7.1 | 31.4 |
Average relative humidity (%) | 74.0 | 69.8 | 60.2 | 53.2 | 48.7 | 41.4 | 35.9 | 38.5 | 45.6 | 55.7 | 66.3 | 74.3 | 55.3 |
Average dew point °F (°C) | 19.9 (−6.7) |
24.1 (−4.4) |
27.1 (−2.7) |
31.1 (−0.5) |
36.9 (2.7) |
41.4 (5.2) |
45.7 (7.6) |
45.1 (7.3) |
39.9 (4.4) |
34.5 (1.4) |
28.4 (−2.0) |
21.7 (−5.7) |
33.0 (0.5) |
Mean monthly sunshine hours | 127.4 | 163.1 | 241.9 | 269.1 | 321.7 | 360.5 | 380.5 | 352.5 | 301.1 | 248.1 | 150.4 | 113.1 | 3,029.4 |
Percent possible sunshine | 43 | 55 | 65 | 67 | 72 | 80 | 83 | 83 | 81 | 72 | 50 | 39 | 68 |
Average ultraviolet index | 1.7 | 2.7 | 4.6 | 6.6 | 8.4 | 9.8 | 10.4 | 9.0 | 6.6 | 4.0 | 2.2 | 1.4 | 5.6 |
Source 1: NOAA (relative humidity and sun 1961–1990) [1] [2] [3] [4] [5] | |||||||||||||
Source 2: UV Index Today (1995 to 2022) [6] |
Climate data for Salt Lake City International Airport (1991–2020 normals, [a] extremes 1874–present) [b] | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °F (°C) | 63 (17) |
69 (21) |
80 (27) |
89 (32) |
99 (37) |
107 (42) |
107 (42) |
106 (41) |
107 (42) |
89 (32) |
75 (24) |
69 (21) |
107 (42) |
Mean maximum °F (°C) | 51.8 (11.0) |
58.8 (14.9) |
70.4 (21.3) |
80.2 (26.8) |
88.9 (31.6) |
97.9 (36.6) |
101.9 (38.8) |
99.6 (37.6) |
93.9 (34.4) |
82.0 (27.8) |
67.1 (19.5) |
54.3 (12.4) |
102.3 (39.1) |
Mean daily maximum °F (°C) | 38.6 (3.7) |
44.7 (7.1) |
55.3 (12.9) |
61.9 (16.6) |
72.6 (22.6) |
84.1 (28.9) |
94.0 (34.4) |
91.7 (33.2) |
80.6 (27.0) |
65.5 (18.6) |
50.7 (10.4) |
39.0 (3.9) |
64.9 (18.3) |
Daily mean °F (°C) | 31.4 (−0.3) |
36.6 (2.6) |
45.8 (7.7) |
51.8 (11.0) |
61.5 (16.4) |
71.6 (22.0) |
81.1 (27.3) |
79.1 (26.2) |
68.4 (20.2) |
54.6 (12.6) |
41.7 (5.4) |
32.2 (0.1) |
54.7 (12.6) |
Mean daily minimum °F (°C) | 24.2 (−4.3) |
28.6 (−1.9) |
36.3 (2.4) |
41.8 (5.4) |
50.4 (10.2) |
59.1 (15.1) |
68.2 (20.1) |
66.6 (19.2) |
56.3 (13.5) |
43.6 (6.4) |
32.8 (0.4) |
25.3 (−3.7) |
44.4 (6.9) |
Mean minimum °F (°C) | 6.5 (−14.2) |
9.2 (−12.7) |
21.0 (−6.1) |
28.7 (−1.8) |
34.8 (1.6) |
43.5 (6.4) |
54.9 (12.7) |
52.4 (11.3) |
39.7 (4.3) |
29.5 (−1.4) |
16.9 (−8.4) |
7.3 (−13.7) |
0.9 (−17.3) |
Record low °F (°C) | −22 (−30) |
−30 (−34) |
0 (−18) |
14 (−10) |
25 (−4) |
32 (0) |
40 (4) |
37 (3) |
27 (−3) |
14 (−10) |
−14 (−26) |
−21 (−29) |
−30 (−34) |
Average precipitation inches (mm) | 1.43 (36) |
1.30 (33) |
1.75 (44) |
2.16 (55) |
1.82 (46) |
0.95 (24) |
0.49 (12) |
0.58 (15) |
1.06 (27) |
1.26 (32) |
1.32 (34) |
1.40 (36) |
15.52 (394) |
Average snowfall inches (cm) | 12.7 (32) |
10.7 (27) |
5.9 (15) |
2.9 (7.4) |
0.1 (0.25) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.5 (1.3) |
7.0 (18) |
12.1 (31) |
51.9 (132) |
Average precipitation days (≥ 0.01 in) | 10.3 | 9.5 | 9.2 | 10.4 | 8.9 | 4.8 | 3.9 | 4.9 | 5.2 | 6.5 | 8.3 | 9.6 | 91.5 |
Average snowy days (≥ 0.1 in) | 7.6 | 6.0 | 4.0 | 2.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 3.6 | 7.1 | 31.4 |
Average relative humidity (%) | 74.0 | 69.8 | 60.2 | 53.2 | 48.7 | 41.4 | 35.9 | 38.5 | 45.6 | 55.7 | 66.3 | 74.3 | 55.3 |
Average dew point °F (°C) | 19.9 (−6.7) |
24.1 (−4.4) |
27.1 (−2.7) |
31.1 (−0.5) |
36.9 (2.7) |
41.4 (5.2) |
45.7 (7.6) |
45.1 (7.3) |
39.9 (4.4) |
34.5 (1.4) |
28.4 (−2.0) |
21.7 (−5.7) |
33.0 (0.5) |
Mean monthly sunshine hours | 127.4 | 163.1 | 241.9 | 269.1 | 321.7 | 360.5 | 380.5 | 352.5 | 301.1 | 248.1 | 150.4 | 113.1 | 3,029.4 |
Percent possible sunshine | 43 | 55 | 65 | 67 | 72 | 80 | 83 | 83 | 81 | 72 | 50 | 39 | 68 |
Average ultraviolet index | 1.7 | 2.7 | 4.6 | 6.6 | 8.4 | 9.8 | 10.4 | 9.0 | 6.6 | 4.0 | 2.2 | 1.4 | 5.6 |
Source 1: NOAA (relative humidity and sun 1961–1990) [1] [2] [3] [4] [5] | |||||||||||||
Source 2: UV Index Today (1995 to 2022) [6] |