Monthly Climatological Summary for Jun 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  74.6  85.5   15:47  65.1   07:17   0.0   9.6  1.69   2.1  17.0   05:45     W
02  71.8  80.7   15:55  61.0   23:58   0.3   7.1  0.00   3.5  16.0   15:20     E
03  69.2  81.7   15:25  53.1   05:51   2.8   7.0  0.00   1.7  11.0   11:07   SSE
04  72.9  84.2   14:26  57.2   05:36   1.6   9.6  0.00   4.0  20.0   13:51     S
05  77.3  85.4   15:09  68.2   05:42   0.0  12.3  0.04   4.6  20.0   14:56   SSW
06  78.9  86.6   14:02  71.6   06:01   0.0  13.9  0.00   3.8  16.0   07:33    SW
07  78.9  85.5   13:21  72.7   05:55   0.0  13.9  0.00   2.7  24.0   23:40     S
08  77.0  85.4   16:30  69.7   09:13   0.0  12.0  0.24   3.9  19.0   10:15   SSW
09  82.5  90.0   15:43  76.0   00:00   0.0  17.5  0.00   4.1  20.0   15:03    SW
10  83.6  90.5   14:31  75.7   06:19   0.0  18.6  0.01   5.1  19.0   10:39   SSW
11  80.4  90.3   14:18  69.1   05:08   0.0  15.4  0.21   5.3  28.0   14:20   SSW
12  75.1  84.3   15:47  61.9   06:11   0.2  10.3  0.00   1.4  14.0   02:11    NW
13  72.2  80.0   14:57  65.3   01:48   0.0   7.2  0.00   1.6  19.0   17:32   SSW
14  70.3  76.6   14:27   0.0   07:25   0.4   4.1  0.00   5.0  24.0   13:42   NNW
15  68.0  78.8   15:33  56.2   05:24   2.4   5.3  0.00   2.2  14.0   11:03   WNW
16  68.5  80.6   15:45  59.0   05:33   1.4   5.0  0.00   3.5  18.0   13:41   WSW
17  77.1  91.8   15:40  58.5   03:38   1.3  13.4  0.10   5.8  33.0   13:45    SW
18  69.5  78.3   11:22  63.2   23:59   0.1   4.6  0.14   2.6  15.0   12:29   WNW
19  72.7  84.5   15:54  58.9   04:23   1.3   9.0  0.00   1.3  10.0   10:39   WNW
20  75.7  84.4   14:15  67.0   02:16   0.0  10.7  0.00   1.8  10.0   09:15     N
21  72.7  81.9   17:00  65.6   23:58   0.0   7.7  0.91   3.8  20.0   16:18    SW
22  65.0  70.5   17:42  61.4   23:16   1.4   1.4  0.00   2.5  15.0   00:00     N
----------------------------------------------------------------------------------
    74.3  91.8    17     0.0    14    13.2 215.6  3.34   3.3  33.0    17      SW

Max >=  90.0  4
Max <=  32.0  0
Min <=  32.0  1
Min <=   0.0  1
Max Rain: 1.69 on day 1
Days of Rain: 8 (>= 0.01 in)  6 (>= 0.10 in)  1 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration