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Report for 2025 May
Monthly Climatological Summary for May 2025
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 58.2 65.2 11:08 51.5 03:39 6.7 0.0 0.73 0.6 11.0 18:44 SW
2 54.1 62.5 16:44 46.7 23:54 10.9 0.0 0.00 0.1 5.0 18:07 SSE
3 51.0 60.9 14:38 44.2 05:15 14.0 0.0 0.00 0.5 7.0 13:39 SSW
4 49.8 61.8 14:54 45.4 04:06 15.2 0.0 0.08 0.3 7.0 12:36 SSW
5 52.9 62.1 14:56 47.6 00:00 12.1 0.0 0.02 0.1 7.0 05:52 SW
6 60.8 77.0 16:49 43.9 05:06 7.4 3.2 0.00 0.8 13.0 14:43 W
7 60.1 78.1 12:56 49.4 23:56 7.2 2.3 0.00 0.5 7.0 15:02 S
8 52.3 62.0 12:34 43.6 23:28 12.7 0.0 0.00 0.8 8.0 13:03 WNW
9 54.0 70.4 15:46 38.7 05:55 11.8 0.9 0.00 0.2 6.0 12:01 S
10 57.3 76.2 11:18 44.5 04:46 8.8 1.1 0.00 0.4 12.0 10:01 S
11 60.3 77.4 15:55 42.8 06:00 7.8 3.1 0.00 0.2 9.0 11:50 ESE
12 67.4 82.3 12:07 51.4 04:26 4.0 6.5 0.00 0.2 10.0 12:14 ESE
13 69.6 83.0 15:36 60.3 06:10 1.0 5.6 0.00 0.1 8.0 14:55 E
14 67.4 82.0 15:08 57.3 05:54 2.9 5.3 0.00 0.2 7.0 11:35 W
15 73.2 83.5 12:29 62.3 03:22 1.0 9.2 0.02 0.8 13.0 19:26 ENE
16 73.2 86.3 16:03 59.6 05:18 0.8 9.1 0.00 1.3 18.0 21:11 SE
17 61.2 70.0 15:33 52.4 06:32 4.5 0.7 0.00 1.8 16.0 09:23 WSW
18 57.8 72.2 14:44 45.5 23:56 7.9 0.7 0.00 0.3 7.0 13:16 E
19 49.5 55.1 16:04 43.7 06:38 15.5 0.0 0.00 0.5 6.0 10:40 SE
20 53.5 56.0 14:59 50.0 06:42 11.5 0.0 0.68 1.0 10.0 07:53 NE
21 50.1 51.9 00:00 48.6 23:44 14.9 0.0 0.07 0.3 8.0 13:15 NNW
22 51.5 58.2 15:46 45.1 23:33 13.4 0.0 0.02 0.5 10.0 10:05 WNW
23 53.0 68.4 14:59 41.3 03:42 12.1 0.2 0.00 0.4 11.0 12:07 NW
24 55.6 69.4 15:24 42.2 05:07 9.8 0.4 0.00 0.2 6.0 12:27 NE
25 56.6 69.2 15:40 50.3 03:17 8.8 0.4 0.09 0.1 6.0 12:51 E
26 57.5 71.2 15:33 44.2 04:42 8.4 0.9 0.00 0.1 6.0 13:36 NNE
27 59.9 70.9 14:14 52.1 05:55 5.7 0.7 0.00 0.0 4.0 12:55 WSW
28 57.6 63.9 16:42 53.1 23:13 7.4 0.0 0.42 0.0 5.0 10:06 ---
29 61.5 73.2 15:20 52.5 02:40 5.2 1.7 0.00 0.2 7.0 11:24 WNW
30 64.4 74.4 14:37 50.4 05:46 4.0 3.4 0.00 0.5 9.0 10:00 NW
31 59.2 71.3 14:40 46.6 23:59 6.6 0.8 0.00 0.0 8.0 01:31 NNE
----------------------------------------------------------------------------------
58.4 86.3 16 38.7 9 260.0 56.2 2.13 0.4 18.0 16 SW
Max >= 80.0: 5
Max <= 25.2: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.73 on day 1
Days of Rain: 9 (>= 0.01 in) 3 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration