Monthly Climatological Summary for Apr 2026

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
----------------------------------------------------------------------------------
01  53.1  65.4   00:00  48.3   09:32  12.0   0.0  1.31   4.3  18.0   03:54   ENE
02  68.5  78.6   18:23  54.1   00:00   2.4   5.9  0.03   8.2  34.0   17:51     S
03  71.0  83.6   16:10  56.9   06:09   2.1   8.0  0.19   4.2  27.0   13:24   SSW
04  54.6  75.2   00:03  40.9   23:17  11.8   1.4  0.32   7.3  30.0   02:46   WNW
05  48.3  59.4   16:19  38.6   07:09  16.7   0.0  0.00   5.5  23.0   16:52   WNW
06  52.6  64.1   16:26  41.8   06:49  12.4   0.0  0.00   4.3  17.0   12:50   NNW
07  48.2  55.8   16:36  41.0   07:38  16.8   0.0  0.00   6.0  19.0   02:15     E
08  60.7  77.8   16:37  41.7   06:47   7.9   3.6  0.00   6.0  31.0   15:23     S
09  71.1  81.4   15:52  59.4   06:28   0.9   7.0  0.00   6.3  22.0   11:40   SSW
10  62.9  69.4   00:00  53.8   23:54   3.0   0.9  0.00   4.4  19.0   16:37    NW
11  59.2  70.2   15:40  48.7   03:48   6.8   1.0  0.00   3.7  15.0   14:35    SE
12  70.6  79.2   12:08  61.6   06:52   0.2   5.9  0.00   7.2  32.0   18:56   SSW
13  75.7  84.4   15:57  68.5   06:54   0.0  10.7  0.00   7.5  28.0   23:26   SSW
14  76.8  87.8   16:24  63.3   05:58   0.1  11.9  0.09   7.4  29.0   21:49   SSW
15  70.1  73.7   00:00  61.5   23:46   0.2   5.3  1.37   6.0  26.0   02:57   SSW
16  69.6  84.0   16:35  57.9   07:00   1.8   6.5  0.22   5.0  24.0   02:37    SW
17  72.6  85.5   14:47  62.0   23:58   0.3   7.9  0.25   5.2  37.0   22:07   SSW
18  51.9  62.0   00:00  41.3   23:56  13.1   0.0  0.62   6.0  29.0   02:46   WNW
19  53.8  67.6   16:50  38.4   06:03  11.6   0.3  0.00   4.4  26.0   14:03   WNW
20  55.4  68.0   16:44  39.1   06:47  10.0   0.3  0.00   3.3  16.0   11:49    SE
21  67.3  81.2   16:15  51.5   03:54   3.8   6.1  0.00   5.5  24.0   13:02    SW
22  65.8  73.8   17:36  56.3   06:39   2.1   2.9  0.00   3.2  17.0   15:30   WSW
23  70.6  83.4   15:47  58.2   06:27   1.7   7.3  0.00   5.6  30.0   17:02     S
24  66.2  75.8   15:56  59.2   08:12   2.1   3.2  0.50   2.6  22.0   02:37    SW
25  64.4  76.4   16:08  50.6   06:20   4.1   3.5  0.00   2.1  15.0   17:41     E
26  67.5  79.3   15:14  50.5   06:37   3.3   5.8  0.07   3.3  17.0   13:32    SE
27  64.6  70.9   18:10  61.1   03:39   1.3   0.9  1.46   4.6  28.0   18:31   SSE
28  57.6  62.4   00:00  54.0   07:54   7.4   0.0  0.20   2.9  16.0   00:52    NW
29  55.2  63.6   15:03  44.7   23:56   9.8   0.0  0.15   3.9  18.0   12:35    NW
30  54.2  65.8   14:15  38.6   05:52  10.8   0.0  0.00   2.4  16.0   20:06   WSW
----------------------------------------------------------------------------------
    62.7  87.8    14    38.4    19   176.4 106.4  6.78   4.9  37.0    17      SW

Max >=  90.0  0
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 1.46 on day 27
Days of Rain: 14 (>= 0.01 in)  11 (>= 0.10 in)  3 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration