Annual mean 18°C · wettest around December · prevailing wind NW
Warmest
25.4 °C
Coldest
16.3 °C
Wettest
71%
Windiest
4.1 m/s
Prevailing
NW
3.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Sandton over the whole year is 18°C. January is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 6°C. The rainy (wet) season in Sandton runs from September to May, peaking in December with a 57% chance of rain on a given day. The dry season is June to August; August is the driest month, at 26%. Winds in Sandton are highest in October, averaging 3.0 m/s (11 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the NW. The clearest skies in Sandton come in July, when the sky is typically 24% covered; February is the cloudiest month, at 56%.
Month by month Sandton climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
25°C
18°C
24°C
52%
54%
2.6 m/s
76
48
35
February
25°C
17°C
24°C
53%
56%
2.4 m/s
75
49
33
March
24°C
16°C
23°C
53%
48%
2.1 m/s
81
38
44
April
22°C
13°C
20°C
51%
45%
2.0 m/s
82
12
70
May
19°C
9°C
17°C
51%
33%
2.0 m/s
70
1
83
June
17°C
6°C
13°C
33%
25%
2.1 m/s
38
0
83
July
17°C
6°C
13°C
30%
24%
2.1 m/s
34
0
82
August
20°C
8°C
15°C
26%
28%
2.5 m/s
58
0
82
September
23°C
12°C
19°C
44%
38%
2.8 m/s
78
13
68
October
24°C
14°C
21°C
52%
46%
3.0 m/s
74
27
54
November
24°C
16°C
22°C
53%
49%
2.9 m/s
74
34
49
December
25°C
18°C
24°C
57%
56%
2.8 m/s
74
43
38
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Sandton weather by season
Year round, Sandton has days of about 17°C at their warmest in July, its coolest month, and 25°C in January, its warmest; the coolest hours of the day run from 6°C to 18°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around December and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Sandton weather in winterJune to August
High 18°CLow 7°CRain 30%
Winter in Sandton has typical daily highs of about 18°C and lows of about 7°C, with a 30% chance of rain on a given day.
Sandton weather in springSeptember to November
High 24°CLow 14°CRain 50%
Spring in Sandton has typical daily highs of about 24°C and lows of about 14°C, with a 50% chance of rain on a given day.
Sandton weather in summerDecember to February
High 25°CLow 18°CRain 54%
Summer in Sandton has typical daily highs of about 25°C and lows of about 18°C, with a 54% chance of rain on a given day.
Sandton weather in autumnMarch to May
High 22°CLow 13°CRain 52%
Autumn in Sandton has typical daily highs of about 22°C and lows of about 13°C, with a 52% chance of rain on a given day.
When is the rainy season in Sandton?
The rainy (wet) season in Sandton runs from September to May, peaking in December with a 57% chance of rain on a given day. The dry season is June to August; August is the driest month, at 26%.
What time of year is Sandton windiest?
Winds in Sandton are highest in October, averaging 3.0 m/s (11 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the NW.
What is the average temperature in Sandton year round?
The average temperature in Sandton over the whole year is 18°C. January is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 6°C.