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Report for 2026 January
Monthly Climatological Summary for Jan 2026
Name: NapervilleWather.com City: Naperville State: IL
Elevation: 781 ft Lat: N 41° 47' 23" Lon: W 088° 07' 27"
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
----------------------------------------------------------------------------------
1 15.7 20.7 23:56 10.0 06:48 49.2 0.0 0.00 0.0 0.0 00:00 ---
2 20.8 23.6 13:51 18.8 17:43 43.9 0.0 0.00 0.0 0.0 00:00 ---
3 23.6 26.7 15:23 20.2 00:00 41.2 0.0 0.00 0.0 0.0 00:00 ---
4 28.8 33.8 23:36 24.0 07:35 36.0 0.0 0.01 0.0 0.0 00:00 ---
5 37.0 46.0 15:15 30.3 06:43 27.9 0.0 0.01 0.0 0.0 00:00 ---
6 39.8 44.5 11:26 36.6 01:21 25.1 0.0 0.00 0.0 0.0 00:00 ---
7 37.6 42.4 15:37 33.0 08:24 27.3 0.0 0.00 0.0 0.0 00:00 ---
8 48.8 58.9 21:26 38.1 03:21 16.1 0.0 1.46 0.0 0.0 00:00 ---
9 44.6 58.6 01:31 40.2 22:07 20.4 0.0 0.00 0.0 0.0 00:00 ---
10 34.9 40.5 00:34 23.3 23:57 30.0 0.0 0.20 0.0 0.0 00:00 ---
11 26.6 31.9 12:56 20.7 02:32 38.3 0.0 0.00 0.0 0.0 00:00 ---
12 32.4 42.4 14:14 25.4 01:32 32.4 0.0 0.01 0.0 0.0 00:00 ---
13 40.5 50.9 14:01 32.0 00:01 24.3 0.0 0.00 0.0 0.0 00:00 ---
14 26.2 40.9 00:00 17.3 22:06 38.6 0.0 0.00 0.0 0.0 00:00 ---
15 19.5 25.0 15:22 12.2 07:41 45.3 0.0 0.00 0.0 0.0 00:00 ---
16 29.3 36.6 13:29 22.2 00:12 35.5 0.0 0.07 0.0 0.0 00:00 ---
17 15.0 23.8 00:00 11.6 07:07 49.8 0.0 0.00 0.0 0.0 00:00 ---
18 13.4 18.7 23:19 6.0 07:42 51.2 0.0 0.00 0.0 0.0 00:00 ---
19 5.3 18.6 00:00 -1.2 08:09 59.6 0.0 0.00 0.0 0.0 00:00 ---
20 13.4 24.2 23:49 2.6 07:01 51.1 0.0 0.00 0.0 0.0 00:00 ---
21 27.8 31.2 21:22 24.2 00:00 37.1 0.0 0.00 0.0 0.0 00:00 ---
22 17.8 26.4 13:16 5.3 23:59 47.0 0.0 0.00 0.0 0.0 00:00 ---
23 -5.7 5.3 00:00 -10.3 08:18 70.4 0.0 0.00 0.0 0.0 00:00 ---
24 -0.1 7.0 15:10 -8.8 05:24 64.7 0.0 0.00 0.0 0.0 00:00 ---
25 9.6 14.9 10:56 5.6 02:42 55.2 0.0 0.00 0.0 0.0 00:00 ---
26 4.5 10.1 13:38 -1.6 07:34 60.1 0.0 0.00 0.0 0.0 00:00 ---
27 11.3 15.2 13:10 5.0 23:58 53.5 0.0 0.00 0.0 0.0 00:00 ---
28 9.2 18.4 15:05 1.0 07:09 55.6 0.0 0.00 0.0 0.0 00:00 ---
29 9.3 19.2 15:13 1.4 06:53 55.4 0.0 0.00 0.0 0.0 00:00 ---
30 12.3 22.2 13:53 3.8 01:17 52.2 0.0 0.00 0.0 0.0 00:00 ---
31 18.1 27.3 14:51 10.8 01:02 46.8 0.0 0.00 0.0 0.0 00:00 ---
----------------------------------------------------------------------------------
21.5 58.9 8 -10.3 23 1341.2 0.0 1.76 0.0 0.0 0 ---
Max >= 80.0: 0
Max <= 25.2: 15
Min <= 32.0: 27
Min <= 0.0: 4
Max Rain: 1.46 on day 8
Days of Rain: 6 (>= 0.01 in) 2 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration