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Climate Lab — St. Louis, United States

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
6
14
19
24
28
32
32
32
29
25
19
12
23
Daily mean°C
1
2
9
14
19
27
28
26
23
17
9
6
15
Daily low°C
-4
-4
3
6
12
21
23
20
17
6
1
-4
8
Thermal comfort
High feels°C
9
13
20
25
30
35
37
37
33
26
20
12
25
Mean feels°C
-6
-3
8
13
19
30
32
29
25
15
6
1
14
Low feels°C
-14
-14
-4
0
8
20
24
21
14
1
-6
-12
3
Humidity
Humidity%
75
65
57
55
64
55
65
66
63
66
60
71
63
Dewpoint°C
-2.1
-2.3
1.4
4.0
11.9
17.2
20.4
19.7
15.9
6.8
1.7
0.6
7.9
Precipitation
Rainfallmm
73
46
114
115
124
91
117
101
53
79
42
75
1028
Rain days≥1mm
7
6
11
11
15
9
12
11
8
8
7
10
115
Snowfallmm
15
22
1
0
0
0
0
0
0
0
0
1
39
Snow days≥1mm
3
5
0
0
0
0
0
0
0
0
0
0
8
Wind
Wind avgm/s
3.4
3.4
3.6
3.5
3.0
2.6
2.2
2.2
2.2
3.2
3.4
3.3
3.0
Wind gustsm/s
6.4
6.3
7.0
7.7
5.9
5.3
4.1
4.4
5.3
6.3
6.9
6.5
6.0
Sun & UV
Sunshinehrs/day
4.7
8.5
9.0
10.0
9.9
12.1
12.0
10.4
10.0
9.1
7.9
6.7
9.2
Clear skyindex
34%
55%
43%
47%
36%
58%
50%
55%
55%
57%
58%
45%
50%
UV indexmax avg
1.5
3.0
4.4
6.0
6.7
8.1
7.9
7.4
5.8
3.9
2.3
1.5
4.9
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across United States

St. Louis: -9.4 °C. Typical range in United States: -12.9–-0.8 °C. Low anchor: Anchorage, -21.6 °C. High anchor: Kailua, 16.7 °C.

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