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Monthly Climatological Summary for Jan 2023
Name: OFallon Weather City: OFallon State: MO
Elevation: 532 ft Lat: N 38° 50' 20" Lon: W 090° 43' 42"
Temperature (°F), Rain (in), Wind Speed (mph)
Heat Cool Avg
Mean Deg Deg Wind Dom
Day Temp High Time Low Time Days Days Rain Speed High Time Dir
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01 54.0 65.2 14:33 43.3 06:11 11.0 0.0 0.00 3.2 18.0 18:50 S
02 54.0 59.5 23:41 49.8 07:15 11.0 0.0 0.54 2.8 15.0 23:27 SE
03 58.8 69.4 14:32 41.8 23:58 6.8 0.6 0.54 5.6 26.0 14:54 SW
04 39.9 44.2 19:28 35.8 08:15 25.1 0.0 0.00 5.7 21.0 00:04 WSW
05 36.2 38.3 00:00 30.7 23:54 28.8 0.0 0.00 5.1 20.0 08:30 W
06 35.5 47.7 14:37 26.4 06:10 29.4 0.0 0.00 1.7 9.0 13:14 WSW
07 34.0 41.1 13:39 26.6 07:43 31.0 0.0 0.00 3.7 13.0 10:23 NE
08 31.7 37.6 15:15 22.9 22:53 33.3 0.0 0.01 2.2 13.0 15:03 NW
09 38.3 55.2 14:41 21.3 03:26 26.7 0.0 0.00 3.2 16.0 13:10 S
10 46.5 59.5 14:20 36.6 07:36 18.5 0.0 0.00 3.0 12.0 09:29 SW
11 50.4 63.1 14:24 42.6 02:49 14.6 0.0 0.00 2.0 10.0 12:58 SW
12 37.2 47.0 00:00 29.8 23:54 27.8 0.0 0.16 7.0 27.0 13:25 NNW
13 26.5 30.1 15:30 18.1 22:47 38.5 0.0 0.00 5.1 21.0 00:39 NW
14 28.3 39.7 15:26 14.6 06:47 36.7 0.0 0.00 2.4 13.0 21:02 SSE
15 42.0 52.2 14:32 30.3 06:11 22.9 0.0 0.00 6.8 29.0 13:47 SSE
16 53.0 60.9 14:18 48.0 05:56 12.0 0.0 0.00 6.9 24.0 10:21 S
17 42.3 49.9 00:00 36.5 20:34 22.7 0.0 0.00 3.4 16.0 09:16 WNW
18 38.2 40.8 17:01 35.7 10:02 26.8 0.0 0.78 3.7 20.0 16:05 E
19 38.9 42.6 02:53 35.0 23:53 26.1 0.0 0.01 8.3 29.0 07:36 W
20 31.8 35.3 14:43 22.4 23:55 33.2 0.0 0.00 4.8 19.0 01:47 WNW
21 32.1 44.0 14:31 19.2 05:41 32.9 0.0 0.00 1.8 10.0 10:26 SE
22 35.6 39.4 14:58 29.6 08:21 29.4 0.0 0.00 2.8 14.0 23:07 NW
23 35.9 45.6 15:13 30.3 23:58 29.1 0.0 0.00 4.3 16.0 12:47 W
24 36.2 44.0 13:27 25.8 03:29 28.8 0.0 0.01 2.0 10.0 09:42 S
25 34.1 37.6 00:00 31.1 23:58 30.9 0.0 0.35 5.8 25.0 23:14 NW
26 27.4 32.7 14:20 18.2 22:10 37.6 0.0 0.00 6.5 22.0 00:09 WNW
27 38.2 53.2 13:20 22.4 00:00 26.8 0.0 0.00 6.0 29.0 14:41 SW
28 45.3 58.6 14:52 31.3 07:20 19.7 0.0 0.00 5.3 22.0 13:04 S
29 26.2 47.9 00:00 21.5 23:59 38.8 0.0 0.00 4.6 16.0 04:51 NNW
30 17.8 21.6 00:02 15.5 08:34 47.2 0.0 0.00 5.1 14.0 03:58 N
31 16.1 21.4 16:24 9.6 07:13 48.9 0.0 0.00 2.7 11.0 00:32 NNE
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37.5 69.4 3 9.6 31 853.0 0.6 2.40 4.3 29.0 15 W
Max >= 90.0 0
Max <= 32.0 3
Min <= 32.0 21
Min <= 0.0 0
Max Rain: 0.78 on day 18
Days of Rain: 8 (>= 0.01 in) 5 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration