Winter weather

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

Temperatures

Maximum Temperatures

Period	Tehran	Yingkou
Dec 1	11.5°C	1.6°C
Dec 8	10.3°C	-0.3°C
Dec 15	10.1°C	-1.9°C
Dec 22	10.0°C	-2.7°C
Jan 1	8.9°C	-2.9°C
Jan 8	9.1°C	-2.4°C
Jan 15	8.0°C	-2.2°C
Jan 22	7.8°C	-2.9°C
Feb 1	9.0°C	-3.7°C
Feb 8	9.6°C	0.8°C
Feb 15	9.9°C	-0.2°C
Feb 22	10.5°C	3.5°C
Average	9.6°C	-1.1°C

Minimum Temperatures

Period	Tehran	Yingkou
Dec 1	3.7°C	-4.2°C
Dec 8	1.3°C	-5.9°C
Dec 15	1.5°C	-7.7°C
Dec 22	1.1°C	-9.2°C
Jan 1	0.5°C	-9.6°C
Jan 8	0.6°C	-9.5°C
Jan 15	-0.5°C	-8.9°C
Jan 22	-1.1°C	-10.1°C
Feb 1	-0.5°C	-11.1°C
Feb 8	0.4°C	-6.6°C
Feb 15	0.5°C	-7.0°C
Feb 22	0.6°C	-4.1°C
Average	0.7°C	-7.8°C

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

Conditions

Sunny Weather

Period	Tehran	Yingkou
Dec 1	5.8 hours/day	8.0 hours/day
Dec 8	7.0 hours/day	6.3 hours/day
Dec 15	6.5 hours/day	7.0 hours/day
Dec 22	6.4 hours/day	6.4 hours/day
Jan 1	7.4 hours/day	6.9 hours/day
Jan 8	6.5 hours/day	5.3 hours/day
Jan 15	6.3 hours/day	5.9 hours/day
Jan 22	6.1 hours/day	6.9 hours/day
Feb 1	6.1 hours/day	7.0 hours/day
Feb 8	6.8 hours/day	7.6 hours/day
Feb 15	6.3 hours/day	6.9 hours/day
Feb 22	7.2 hours/day	7.5 hours/day
Average	6.5 hours/day	6.8 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	Tehran	Yingkou
Dec 1	1.7mm	0.2mm
Dec 8	0.4mm	0.2mm
Dec 15	1.1mm	0.3mm
Dec 22	0.6mm	0.2mm
Jan 1	0.8mm	0.0mm
Jan 8	0.6mm	0.1mm
Jan 15	0.9mm	0.0mm
Jan 22	1.9mm	0.5mm
Feb 1	1.4mm	0.0mm
Feb 8	1.2mm	0.4mm
Feb 15	2.0mm	0.6mm
Feb 22	2.9mm	0.3mm
Average	1.3mm	0.2mm

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

Wind Speed

Period	Tehran	Yingkou
Dec 1	8.7km/h	20.9km/h
Dec 8	9.8km/h	22.3km/h
Dec 15	8.3km/h	20.6km/h
Dec 22	9.4km/h	20.2km/h
Jan 1	10.6km/h	14.9km/h
Jan 8	9.6km/h	20.4km/h
Jan 15	12.7km/h	19.9km/h
Jan 22	10.9km/h	18.6km/h
Feb 1	12.9km/h	20.0km/h
Feb 8	12.9km/h	19.9km/h
Feb 15	13.5km/h	22.0km/h
Feb 22	13.2km/h	21.3km/h
Average	11.0km/h	20.1km/h

Humidity

Period	Tehran	Yingkou
Dec 1	48.3%	46.1%
Dec 8	46.4%	49.1%
Dec 15	48.1%	51.8%
Dec 22	43.0%	55.1%
Jan 1	41.1%	55.4%
Jan 8	42.4%	59.4%
Jan 15	44.6%	55.8%
Jan 22	44.3%	55.2%
Feb 1	42.9%	56.0%
Feb 8	43.0%	58.7%
Feb 15	44.8%	55.6%
Feb 22	43.9%	53.7%
Average	44.4%	54.3%

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Astronomy

Sunrise Time

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

Sunset Time

Period	Tehran	Yingkou
Dec 1	16:51	16:24
Dec 8	16:52	16:23
Dec 15	16:53	16:25
Dec 22	16:58	16:30
Jan 1	17:04	16:37
Jan 8	17:11	16:43
Jan 15	17:17	16:51
Jan 22	17:26	17:01
Feb 1	17:35	17:12
Feb 8	17:42	17:20
Feb 15	17:49	17:29
Feb 22	17:56	17:38
Average	17:18	16:54

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

Useful Day Length

Period	Tehran	Yingkou
Dec 1	9:51 hours	9:24 hours
Dec 8	9:47 hours	9:19 hours
Dec 15	9:44 hours	9:16 hours
Dec 22	9:45 hours	9:16 hours
Jan 1	9:49 hours	9:22 hours
Jan 8	9:56 hours	9:29 hours
Jan 15	10:04 hours	9:39 hours
Jan 22	10:17 hours	9:55 hours
Feb 1	10:33 hours	10:12 hours
Feb 8	10:42 hours	10:20 hours
Feb 15	10:49 hours	10:29 hours
Feb 22	10:56 hours	10:38 hours
Average	10:12 hours	9:48 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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Tehran06:53

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Yingkou11:23

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	Tehran IR	Yingkou CN
Today Mon May 19
Tue May 20
Wed May 21
Thu May 22
Fri May 23
Sat May 24
Sun May 25

	Today Mon May 19	Tue May 20	Wed May 21	Thu May 22	Fri May 23	Sat May 24	Sun May 25	Mon May 26	Tue May 27	Wed May 28	Thu May 29	Fri May 30	Sat May 31	Sun Jun 01
Tehran IR
Yingkou CN

Period	Tehran	Yingkou
Dec 1	6:58	6:58
Dec 8	7:04	7:05
Dec 15	7:09	7:10
Dec 22	7:13	7:14
Jan 1	7:15	7:15
Jan 8	7:15	7:14
Jan 15	7:13	7:12
Jan 22	7:09	7:06
Feb 1	7:02	6:59
Feb 8	6:56	6:50
Feb 15	6:49	6:41
Feb 22	6:40	6:31
Average	7:06	7:00

Weather in Tehran and Yingkou

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Daily Forecast

Winter weather

Temperatures

Conditions

Astronomy

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