Monthly Climatological Summary for Dec 2025

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  24.2  26.2   13:51  21.8   23:50  40.8   0.0  0.00   1.4  11.0   09:17    SE
----------------------------------------------------------------------------------
    24.2  26.2     1    21.8     1    40.8   0.0  0.00   1.4  11.0     1      SE

Max >=  90.0  0
Max <=  32.0  1
Min <=  32.0  1
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