NOAA-Style Climate Reports
Select a Year or Month report
2024: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2022: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2024: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2022: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Report for 2020 December
Monthly Climatological Summary for Dec 2020
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 26.5 33.1 15:18 20.4 06:53 38.5 0.0 0.00 1.5 16.0 03:46 W
2 31.1 46.2 15:21 18.6 06:44 33.9 0.0 0.00 0.4 9.0 02:39 WSW
3 34.3 44.9 13:10 26.6 07:31 30.7 0.0 0.00 1.0 10.0 05:13 SSW
4 35.2 44.5 13:31 29.7 23:50 29.8 0.0 0.00 0.9 10.0 05:13 SW
5 33.3 41.2 12:42 26.3 04:04 31.7 0.0 0.00 0.1 9.0 04:58 WNW
6 34.1 36.0 14:51 32.6 00:00 30.9 0.0 0.00 0.3 7.0 01:09 WNW
7 35.0 37.8 14:26 32.3 07:14 30.0 0.0 0.00 0.2 7.0 01:09 WNW
8 33.1 34.6 00:00 31.6 10:12 31.7 0.0 0.00 1.0 7.0 10:51 S
9 38.0 51.8 14:54 28.3 07:13 26.8 0.0 0.00 0.4 8.0 12:36 WSW
10 41.7 56.7 15:24 28.5 05:37 23.3 0.0 0.00 0.4 8.0 04:39 ESE
11 40.2 43.7 10:50 34.6 05:03 24.8 0.0 0.54 1.2 9.0 03:04 SSE
12 36.7 40.1 01:03 29.9 23:57 28.3 0.0 0.76 1.6 12.0 14:31 W
13 29.8 36.4 13:29 24.2 05:47 35.2 0.0 0.00 0.8 17.0 19:51 WSW
14 26.9 30.5 12:19 20.6 23:53 38.1 0.0 0.00 2.2 17.0 11:55 W
15 26.1 34.1 12:29 19.1 04:52 38.9 0.0 0.00 0.4 11.0 02:41 SE
16 30.0 31.9 18:43 27.1 01:55 35.0 0.0 0.00 0.3 7.0 05:45 WNW
17 30.8 34.0 12:56 23.6 23:56 34.2 0.0 0.00 0.5 7.0 14:40 WNW
18 28.7 35.9 14:58 19.7 06:11 36.3 0.0 0.00 1.3 13.0 11:10 ESE
19 38.0 43.0 13:35 34.0 00:00 27.0 0.0 0.00 1.2 13.0 11:10 SSE
20 34.7 40.4 13:39 30.6 08:41 30.3 0.0 0.00 1.0 10.0 04:31 S
21 37.5 45.3 13:38 31.6 03:19 27.5 0.0 0.00 2.4 22.0 13:05 WSW
22 35.3 39.7 14:43 28.4 07:52 29.7 0.0 0.00 1.7 22.0 05:08 SE
23 45.0 56.4 15:07 23.8 23:58 20.0 0.0 0.14 3.7 22.0 12:16 SE
24 13.7 23.8 00:00 8.1 23:57 51.3 0.0 0.00 3.0 22.0 04:19 WSW
25 14.0 21.7 14:57 6.4 02:16 51.0 0.0 0.00 2.4 14.0 03:11 WSW
26 23.7 34.4 15:29 15.9 00:47 41.3 0.0 0.00 0.6 12.0 07:07 WSW
27 34.1 46.7 13:30 22.7 01:25 30.9 0.0 0.00 1.2 17.0 11:24 SW
28 28.0 32.6 13:22 18.6 23:58 37.0 0.0 0.00 2.0 17.0 11:24 W
29 23.6 30.5 23:25 14.8 04:30 41.4 0.0 0.05 1.2 15.0 10:37 E
30 29.5 33.8 07:04 24.3 23:52 35.5 0.0 0.14 1.8 17.0 03:45 SW
31 23.5 29.6 12:38 18.8 22:59 41.5 0.0 0.01 0.6 17.0 03:45 W
----------------------------------------------------------------------------------
31.4 56.7 10 6.4 25 1042.5 0.0 1.64 1.2 22.0 21 SW
Max >= 80.0: 0
Max <= 25.2: 2
Min <= 32.0: 27
Min <= 0.0: 0
Max Rain: 0.76 on day 12
Days of Rain: 6 (>= 0.01 in) 4 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration