Autumn weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	80.4°F	79.5°F	81.1°F	81.5°F
Sep 8	80.4°F	80.4°F	81.7°F	82.4°F
Sep 15	78.3°F	78.4°F	79.7°F	79.7°F
Sep 22	75.6°F	75.7°F	76.8°F	77.2°F
Oct 1	71.1°F	70.3°F	72.0°F	72.0°F
Oct 8	68.7°F	68.4°F	70.0°F	69.8°F
Oct 15	66.0°F	65.1°F	66.7°F	66.7°F
Oct 22	63.9°F	63.1°F	64.8°F	64.6°F
Nov 1	61.2°F	61.5°F	61.9°F	61.9°F
Nov 8	57.0°F	56.5°F	57.6°F	57.0°F
Nov 15	53.4°F	54.3°F	54.1°F	53.2°F
Nov 22	48.2°F	48.6°F	48.4°F	47.5°F
Average	66.8°F	67.8°F	67.0°F	67.9°F

Minimum Temperatures

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	71.4°F	64.4°F	68.9°F	69.1°F
Sep 8	71.1°F	63.7°F	68.5°F	68.7°F
Sep 15	69.1°F	62.4°F	66.9°F	66.9°F
Sep 22	65.7°F	57.6°F	63.0°F	63.0°F
Oct 1	61.9°F	55.2°F	60.4°F	60.1°F
Oct 8	58.6°F	51.8°F	56.7°F	56.7°F
Oct 15	54.5°F	47.1°F	52.5°F	52.3°F
Oct 22	53.2°F	46.0°F	50.7°F	50.4°F
Nov 1	50.9°F	45.0°F	48.9°F	48.7°F
Nov 8	46.4°F	41.2°F	44.8°F	43.7°F
Nov 15	42.6°F	38.7°F	41.2°F	40.3°F
Nov 22	37.2°F	34.5°F	35.6°F	34.3°F
Average	50.6°F	54.5°F	56.9°F	54.8°F

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	5.7 hours/day	4.2 hours/day	5.0 hours/day	5.3 hours/day
Sep 8	6.2 hours/day	4.7 hours/day	5.4 hours/day	5.8 hours/day
Sep 15	5.7 hours/day	4.6 hours/day	5.3 hours/day	5.6 hours/day
Sep 22	6.8 hours/day	6.4 hours/day	6.5 hours/day	6.4 hours/day
Oct 1	5.5 hours/day	4.3 hours/day	4.5 hours/day	5.1 hours/day
Oct 8	6.5 hours/day	5.7 hours/day	5.8 hours/day	6.2 hours/day
Oct 15	6.9 hours/day	6.9 hours/day	6.6 hours/day	7.1 hours/day
Oct 22	7.4 hours/day	7.6 hours/day	7.4 hours/day	7.4 hours/day
Nov 1	6.0 hours/day	7.3 hours/day	6.0 hours/day	6.1 hours/day
Nov 8	6.1 hours/day	5.6 hours/day	5.6 hours/day	6.2 hours/day
Nov 15	4.6 hours/day	4.6 hours/day	4.3 hours/day	4.7 hours/day
Nov 22	5.0 hours/day	4.2 hours/day	4.9 hours/day	5.5 hours/day
Average	5.5 hours/day	6.0 hours/day	6.0 hours/day	5.6 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	0.6in	0.5in	0.6in	0.6in
Sep 8	0.1in	0.1in	0.1in	0.1in
Sep 15	0.2in	0.3in	0.2in	0.2in
Sep 22	0.1in	0.1in	0.1in	0.1in
Oct 1	0.2in	0.3in	0.3in	0.3in
Oct 8	0.0in	0.0in	0.0in	0.0in
Oct 15	0.0in	0.1in	0.0in	0.0in
Oct 22	0.0in	0.0in	0.0in	0.0in
Nov 1	0.1in	0.1in	0.1in	0.1in
Nov 8	0.1in	0.1in	0.1in	0.1in
Nov 15	0.1in	0.1in	0.1in	0.1in
Nov 22	0.1in	0.1in	0.1in	0.1in
Average	0.1in	0.1in	0.1in	0.1in

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	12.9mph	9.1mph	9.4mph	9.2mph
Sep 8	10.5mph	7.1mph	7.9mph	7.9mph
Sep 15	11.8mph	8.4mph	8.8mph	8.4mph
Sep 22	11.1mph	7.4mph	8.0mph	8.0mph
Oct 1	13.6mph	8.4mph	9.3mph	9.5mph
Oct 8	11.6mph	7.8mph	8.5mph	8.4mph
Oct 15	11.9mph	7.6mph	8.2mph	8.2mph
Oct 22	12.0mph	7.6mph	8.4mph	8.4mph
Nov 1	12.8mph	7.5mph	8.9mph	9.0mph
Nov 8	13.3mph	7.9mph	9.1mph	9.1mph
Nov 15	13.5mph	7.8mph	9.2mph	8.9mph
Nov 22	15.4mph	8.6mph	10.3mph	9.9mph
Average	7.9mph	8.7mph	12.5mph	8.8mph

Humidity

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	69.8%	80.5%	69.2%	63.8%
Sep 8	68.0%	80.0%	67.3%	61.4%
Sep 15	67.0%	79.4%	66.1%	61.1%
Sep 22	60.6%	74.4%	60.0%	54.9%
Oct 1	61.4%	76.1%	59.8%	56.7%
Oct 8	56.4%	70.2%	54.3%	51.1%
Oct 15	52.9%	67.7%	50.7%	47.0%
Oct 22	55.8%	67.9%	52.6%	50.0%
Nov 1	57.3%	66.4%	53.6%	51.3%
Nov 8	55.3%	66.4%	50.9%	49.3%
Nov 15	55.2%	66.1%	50.6%	48.5%
Nov 22	53.9%	65.7%	48.8%	47.3%
Average	71.7%	53.5%	59.5%	57.0%

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Astronomy

Sunrise Time

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	6:06	6:04	6:04	6:04
Sep 8	6:11	6:09	6:10	6:10
Sep 15	6:17	6:14	6:15	6:16
Sep 22	6:24	6:21	6:22	6:23
Oct 1	6:31	6:28	6:29	6:30
Oct 8	6:37	6:34	6:35	6:36
Oct 15	6:44	6:40	6:41	6:43
Oct 22	6:52	6:48	6:50	6:51
Nov 1	7:01	6:56	6:58	7:00
Nov 8	7:08	7:03	7:06	7:07
Nov 15	7:16	7:10	7:13	7:15
Nov 22	7:24	7:19	7:22	7:23
Average	6:36	6:42	6:42	6:42

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	18:58	18:55	18:56	18:57
Sep 8	18:48	18:44	18:46	18:47
Sep 15	18:37	18:34	18:35	18:35
Sep 22	18:25	18:22	18:22	18:23
Oct 1	18:13	18:10	18:10	18:11
Oct 8	18:02	18:01	18:01	18:01
Oct 15	17:53	17:51	17:51	17:52
Oct 22	17:42	17:41	17:40	17:41
Nov 1	17:33	17:32	17:31	17:31
Nov 8	17:26	17:26	17:25	17:25
Nov 15	17:21	17:21	17:20	17:20
Nov 22	17:17	17:17	17:16	17:16
Average	18:00	18:00	18:00	18:00

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Incheon	Daejeon	Tongjin	Goyang
Sep 1	11:58 hours	11:55 hours	11:56 hours	11:57 hours
Sep 8	11:48 hours	11:44 hours	11:46 hours	11:47 hours
Sep 15	11:37 hours	11:34 hours	11:35 hours	11:35 hours
Sep 22	11:25 hours	11:22 hours	11:22 hours	11:23 hours
Oct 1	11:13 hours	11:10 hours	11:10 hours	11:11 hours
Oct 8	11:02 hours	11:01 hours	11:01 hours	11:01 hours
Oct 15	10:53 hours	10:51 hours	10:51 hours	10:52 hours
Oct 22	10:42 hours	10:41 hours	10:40 hours	10:41 hours
Nov 1	10:32 hours	10:32 hours	10:31 hours	10:31 hours
Nov 8	10:18 hours	10:23 hours	10:19 hours	10:17 hours
Nov 15	10:05 hours	10:11 hours	10:07 hours	10:05 hours
Nov 22	9:53 hours	9:58 hours	9:54 hours	9:52 hours
Average	10:54 hours	10:54 hours	11:00 hours	10:54 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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