Spring weather

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

Temperatures

Maximum Temperatures

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	82.6°F	78.8°F	87.1°F
Mar 8	82.6°F	76.6°F	87.1°F
Mar 15	80.6°F	78.1°F	84.9°F
Mar 22	78.4°F	74.7°F	83.1°F
Apr 1	76.1°F	72.9°F	80.6°F
Apr 8	73.6°F	72.3°F	78.3°F
Apr 15	73.8°F	75.0°F	78.3°F
Apr 22	74.5°F	72.0°F	79.0°F
May 1	74.1°F	70.5°F	78.3°F
May 8	72.0°F	68.4°F	75.9°F
May 15	70.0°F	69.1°F	74.1°F
May 22	69.4°F	66.0°F	73.0°F
Average	72.9°F	75.6°F	80.0°F

Minimum Temperatures

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	62.1°F	63.9°F	63.1°F
Mar 8	62.1°F	62.4°F	63.1°F
Mar 15	60.8°F	62.8°F	62.2°F
Mar 22	60.1°F	61.0°F	61.5°F
Apr 1	58.5°F	59.4°F	60.6°F
Apr 8	56.5°F	59.0°F	58.3°F
Apr 15	54.9°F	59.2°F	56.3°F
Apr 22	55.8°F	58.5°F	56.5°F
May 1	54.1°F	57.4°F	54.5°F
May 8	53.1°F	55.8°F	53.1°F
May 15	51.3°F	55.9°F	51.3°F
May 22	49.5°F	54.1°F	49.5°F
Average	59.1°F	56.6°F	57.5°F

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

Conditions

Sunny Weather

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	8.1 hours/day	9.1 hours/day	8.2 hours/day
Mar 8	8.9 hours/day	8.0 hours/day	8.8 hours/day
Mar 15	7.7 hours/day	9.6 hours/day	7.8 hours/day
Mar 22	7.6 hours/day	8.0 hours/day	8.0 hours/day
Apr 1	6.6 hours/day	7.8 hours/day	7.2 hours/day
Apr 8	7.1 hours/day	7.4 hours/day	7.6 hours/day
Apr 15	8.1 hours/day	8.9 hours/day	8.4 hours/day
Apr 22	8.7 hours/day	7.1 hours/day	8.8 hours/day
May 1	10.1 hours/day	6.3 hours/day	10.3 hours/day
May 8	9.2 hours/day	6.9 hours/day	9.5 hours/day
May 15	9.1 hours/day	5.2 hours/day	9.0 hours/day
May 22	10.3 hours/day	5.2 hours/day	10.3 hours/day
Average	7.5 hours/day	8.5 hours/day	8.7 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	Johannesburg	Cape Town	Rustenburg
Mar 1	0.1in	0.1in	0.1in
Mar 8	0.1in	0.0in	0.0in
Mar 15	0.1in	0.0in	0.1in
Mar 22	0.2in	0.0in	0.1in
Apr 1	0.2in	0.0in	0.2in
Apr 8	0.1in	0.0in	0.1in
Apr 15	0.1in	0.0in	0.0in
Apr 22	0.1in	0.0in	0.0in
May 1	0.0in	0.1in	0.0in
May 8	0.1in	0.0in	0.0in
May 15	0.1in	0.1in	0.0in
May 22	0.0in	0.1in	0.0in
Average	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	Johannesburg	Cape Town	Rustenburg
Mar 1	9.3mph	12.7mph	8.6mph
Mar 8	9.9mph	13.1mph	9.6mph
Mar 15	9.4mph	12.6mph	9.0mph
Mar 22	9.4mph	12.8mph	9.4mph
Apr 1	9.1mph	13.1mph	8.8mph
Apr 8	9.4mph	11.8mph	9.3mph
Apr 15	8.8mph	9.8mph	8.7mph
Apr 22	8.5mph	11.4mph	8.1mph
May 1	7.0mph	10.4mph	7.3mph
May 8	7.4mph	9.9mph	7.4mph
May 15	8.1mph	9.5mph	8.0mph
May 22	8.5mph	10.1mph	7.8mph
Average	11.4mph	8.7mph	8.5mph

Humidity

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	51.2%	69.1%	52.3%
Mar 8	48.7%	68.2%	49.3%
Mar 15	51.5%	66.9%	51.7%
Mar 22	53.5%	68.5%	54.1%
Apr 1	54.1%	67.7%	55.6%
Apr 8	54.5%	67.5%	55.3%
Apr 15	45.4%	62.0%	46.6%
Apr 22	42.0%	66.5%	43.9%
May 1	38.2%	68.9%	39.8%
May 8	37.8%	69.0%	40.1%
May 15	38.8%	65.9%	41.0%
May 22	37.0%	70.4%	38.4%
Average	67.6%	46.1%	47.3%

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Astronomy

Sunrise Time

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	6:03	6:37	6:07
Mar 8	6:07	6:43	6:10
Mar 15	6:10	6:48	6:13
Mar 22	6:14	6:55	6:17
Apr 1	6:18	7:01	6:21
Apr 8	6:22	7:06	6:25
Apr 15	6:25	7:11	6:28
Apr 22	6:29	7:17	6:31
May 1	6:33	7:23	6:35
May 8	6:37	7:29	6:39
May 15	6:40	7:34	6:43
May 22	6:44	7:40	6:47
Average	7:06	6:24	6:24

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

Sunset Time

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	18:35	19:19	18:38
Mar 8	18:28	19:10	18:31
Mar 15	18:20	19:00	18:24
Mar 22	18:11	18:49	18:15
Apr 1	18:03	18:37	18:07
Apr 8	17:56	18:28	17:59
Apr 15	17:49	18:19	17:53
Apr 22	17:42	18:10	17:46
May 1	17:36	18:02	17:40
May 8	17:32	17:56	17:35
May 15	17:28	17:52	17:32
May 22	17:25	17:47	17:29
Average	18:30	17:54	18:00

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

Useful Day Length

Period	Johannesburg	Cape Town	Rustenburg
Mar 1	11:35 hours	12:19 hours	11:38 hours
Mar 8	11:28 hours	12:10 hours	11:31 hours
Mar 15	11:20 hours	12:00 hours	11:24 hours
Mar 22	11:11 hours	11:49 hours	11:15 hours
Apr 1	11:03 hours	11:37 hours	11:07 hours
Apr 8	10:56 hours	11:22 hours	10:59 hours
Apr 15	10:49 hours	11:08 hours	10:53 hours
Apr 22	10:42 hours	10:53 hours	10:46 hours
May 1	10:36 hours	10:39 hours	10:40 hours
May 8	10:32 hours	10:28 hours	10:35 hours
May 15	10:28 hours	10:17 hours	10:32 hours
May 22	10:25 hours	10:08 hours	10:29 hours
Average	11:12 hours	10:54 hours	11:00 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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Spring weather

Temperatures

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Astronomy

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