Spring weather

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

Temperatures

Maximum Temperatures

Period	San Diego	Heihe
Mar 1	17.2°C	-5.8°C
Mar 8	18.3°C	-0.8°C
Mar 15	18.9°C	0.5°C
Mar 22	19.0°C	4.0°C
Apr 1	19.9°C	6.8°C
Apr 8	20.7°C	9.7°C
Apr 15	21.0°C	11.7°C
Apr 22	22.4°C	14.0°C
May 1	21.8°C	16.9°C
May 8	21.6°C	18.2°C
May 15	21.1°C	20.4°C
May 22	21.5°C	20.2°C
Average	9.7°C	20.3°C

Minimum Temperatures

Period	San Diego	Heihe
Mar 1	10.2°C	-17.6°C
Mar 8	10.9°C	-12.1°C
Mar 15	10.8°C	-10.1°C
Mar 22	11.1°C	-5.6°C
Apr 1	11.8°C	-2.6°C
Apr 8	12.3°C	-1.4°C
Apr 15	12.5°C	0.6°C
Apr 22	14.0°C	2.5°C
May 1	14.0°C	5.0°C
May 8	13.8°C	5.9°C
May 15	14.1°C	8.2°C
May 22	14.3°C	8.9°C
Average	-1.5°C	12.5°C

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

Conditions

Sunny Weather

Period	San Diego	Heihe
Mar 1	4.8 hours/day	2.2 hours/day
Mar 8	5.2 hours/day	2.8 hours/day
Mar 15	7.0 hours/day	4.0 hours/day
Mar 22	7.3 hours/day	4.3 hours/day
Apr 1	8.2 hours/day	4.7 hours/day
Apr 8	8.8 hours/day	6.0 hours/day
Apr 15	9.8 hours/day	6.1 hours/day
Apr 22	10.2 hours/day	5.7 hours/day
May 1	10.1 hours/day	6.1 hours/day
May 8	9.9 hours/day	5.5 hours/day
May 15	8.8 hours/day	7.8 hours/day
May 22	10.3 hours/day	6.6 hours/day
Average	5.2 hours/day	8.4 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	San Diego	Heihe
Mar 1	3.3mm	0.2mm
Mar 8	3.3mm	1.3mm
Mar 15	1.6mm	0.5mm
Mar 22	1.8mm	1.2mm
Apr 1	0.9mm	0.3mm
Apr 8	1.2mm	1.1mm
Apr 15	0.1mm	2.4mm
Apr 22	0.2mm	0.8mm
May 1	1.0mm	1.2mm
May 8	0.2mm	2.2mm
May 15	0.4mm	1.5mm
May 22	0.3mm	2.8mm
Average	1.3mm	1.2mm

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

Wind Speed

Period	San Diego	Heihe
Mar 1	16.8km/h	15.2km/h
Mar 8	15.9km/h	18.0km/h
Mar 15	16.6km/h	17.3km/h
Mar 22	17.3km/h	20.5km/h
Apr 1	16.8km/h	24.2km/h
Apr 8	17.0km/h	21.4km/h
Apr 15	16.8km/h	22.3km/h
Apr 22	16.0km/h	22.2km/h
May 1	17.0km/h	22.1km/h
May 8	17.2km/h	22.8km/h
May 15	17.9km/h	21.5km/h
May 22	16.7km/h	20.0km/h
Average	20.6km/h	16.8km/h

Humidity

Period	San Diego	Heihe
Mar 1	61.0%	86.4%
Mar 8	63.1%	84.3%
Mar 15	63.1%	80.3%
Mar 22	63.6%	69.8%
Apr 1	61.1%	53.0%
Apr 8	58.5%	47.5%
Apr 15	60.8%	49.2%
Apr 22	59.0%	42.5%
May 1	61.2%	41.6%
May 8	63.7%	51.9%
May 15	65.0%	47.3%
May 22	65.2%	56.5%
Average	59.2%	62.1%

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Astronomy

Sunrise Time

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

Sunset Time

Period	San Diego	Heihe
Mar 1	17:48	17:16
Mar 8	18:19	17:28
Mar 15	18:59	17:40
Mar 22	19:05	17:53
Apr 1	19:11	18:06
Apr 8	19:16	18:17
Apr 15	19:21	18:28
Apr 22	19:27	18:41
May 1	19:32	18:53
May 8	19:38	19:04
May 15	19:43	19:14
May 22	19:49	19:25
Average	18:24	19:12

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

Useful Day Length

Period	San Diego	Heihe
Mar 1	10:48 hours	10:16 hours
Mar 8	11:19 hours	10:28 hours
Mar 15	11:59 hours	10:40 hours
Mar 22	12:05 hours	10:53 hours
Apr 1	12:11 hours	11:06 hours
Apr 8	12:16 hours	11:17 hours
Apr 15	12:21 hours	11:28 hours
Apr 22	12:27 hours	11:41 hours
May 1	12:32 hours	11:53 hours
May 8	12:38 hours	12:04 hours
May 15	12:43 hours	12:14 hours
May 22	12:49 hours	12:25 hours
Average	11:24 hours	12:12 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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	San Diego US	Heihe 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
San Diego US
Heihe CN

Period	San Diego	Heihe
Mar 1	6:12	6:08
Mar 8	6:29	5:53
Mar 15	6:54	5:38
Mar 22	6:43	5:19
Apr 1	6:32	5:01
Apr 8	6:23	4:46
Apr 15	6:14	4:31
Apr 22	6:06	4:15
May 1	5:58	4:01
May 8	5:52	3:50
May 15	5:47	3:40
May 22	5:43	3:30
Average	4:42	6:12

Weather in San Diego and Heihe

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Daily Forecast

Spring weather

Temperatures

Conditions

Astronomy

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