Annual Climatological Summary for 2026

Name: NapervilleWather.com   City: Naperville   State: IL
Elevation: 781 ft  Lat: N 41° 47' 23"   Lon: W 088° 07' 27"

                  Temperature (°F), Heat Base: 65.0  Cool Base: 65.0
                          Dep.  Heat  Cool                       Max  Max  Min  Min
        Mean  Mean        From  Deg   Deg                        >=   <=   <=   <=
 YR MO  Max   Min   Mean  Norm  Days  Days  Hi  Date  Low  Date 80.0 25.2 32.0   0.0
------------------------------------------------------------------------------------
 26  1  29.6  15.5  22.1   2.8  1793     0  58.9   8 -10.3   23    0   21   35    6
 26  2  40.3  20.8  30.0   5.7   661     0  61.5  15   6.7    1    0    0   19    0
 26  3
 26  4
 26  5
 26  6
 26  7
 26  8
 26  9
 26 10
 26 11
 26 12
------------------------------------------------------------------------------------
        34.9  18.2  26.0   4.2  2454     0  61.5 Feb -10.3  Jan    0   21   54    6

                                Precipitation (in)

              Dep.   Max        Days of Rain
              From   Obs.           >=
 YR MO Total  Norm   Day Date 0.01 0.10 1.00
---------------------------------------------
 26  1  3.24  1.54  1.46   8     9    3    2
 26  2  0.08 -1.32  0.03   3     3    0    0
 26  3
 26  4
 26  5
 26  6
 26  7
 26  8
 26  9
 26 10
 26 11
 26 12
---------------------------------------------
        3.32  0.22  1.46  Jan   12    3    2

                                Wind Speed (mph)
                          Dom
 YR MO   Avg.  Hi   Date  Dir
------------------------------
 26  1   0.0   0.0    0   ---
 26  2   0.1  10.0   13   WSW
 26  3
 26  4
 26  5
 26  6
 26  7
 26  8
 26  9
 26 10
 26 11
 26 12
------------------------------
         0.0  10.0  Feb   WSW