Monthly Climatological Summary for May 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  54.1  63.2   15:11  40.4   06:28  10.9   0.0  0.00   2.9  16.0   15:12    NW
02  52.6  60.9   15:46  43.2   23:34  12.4   0.0  0.00   2.2  16.0   11:06     N
03  60.2  77.6   17:27  42.0   02:30   8.3   3.5  0.00   4.9  24.0   13:30    SW
----------------------------------------------------------------------------------
    55.6  77.6     3    40.4     1    31.6   3.5  0.00   3.3  24.0     3       W

Max >=  90.0  0
Max <=  32.0  0
Min <=  32.0  0
Min <=   0.0  0
Max Rain: 0.00 on day 0
Days of Rain: 0 (>= 0.01 in)  0 (>= 0.10 in)  0 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration