Annual mean 17°C · wettest around September · prevailing wind SW
Warmest
24.4 °C
Coldest
16.5 °C
Wettest
73%
Windiest
3.9 m/s
Prevailing
SW
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 Plettenberg Bay over the whole year is 17°C. January is the hottest month, with highs of about 24°C; August is the coldest, with lows of about 11°C. Plettenberg Bay has no sharply defined rainy season: the chance of rain on a given day runs from 35% in April, the driest month, to 53% in September, the wettest. Winds in Plettenberg Bay are highest in October, averaging 2.9 m/s (10 km/h), and lightest in May, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Plettenberg Bay come in July, when the sky is typically 45% covered; January is the cloudiest month, at 58%.
Month by month Plettenberg Bay 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
24°C
18°C
24°C
39%
58%
2.8 m/s
72
37
42
February
24°C
18°C
24°C
36%
56%
2.6 m/s
76
37
43
March
23°C
17°C
23°C
41%
57%
2.5 m/s
77
27
51
April
21°C
15°C
20°C
35%
55%
2.3 m/s
75
15
66
May
20°C
13°C
19°C
38%
49%
2.1 m/s
77
8
74
June
18°C
12°C
16°C
39%
46%
2.3 m/s
60
4
77
July
17°C
11°C
15°C
46%
45%
2.4 m/s
51
2
78
August
17°C
11°C
15°C
48%
47%
2.6 m/s
49
3
77
September
18°C
12°C
16°C
53%
53%
2.7 m/s
57
4
75
October
20°C
14°C
18°C
46%
56%
2.9 m/s
67
9
72
November
21°C
15°C
20°C
45%
57%
2.8 m/s
78
11
69
December
23°C
17°C
22°C
38%
57%
2.7 m/s
79
26
54
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 Plettenberg Bay weather by season
Year round, Plettenberg Bay has days of about 17°C at their warmest in July, its coolest month, and 24°C in January, its warmest; the coolest hours of the day run from 11°C to 18°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around September and least likely around April. 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.
Plettenberg Bay weather in winterJune to August
High 17°CLow 12°CRain 44%
Winter in Plettenberg Bay has typical daily highs of about 17°C and lows of about 12°C, with a 44% chance of rain on a given day.
Plettenberg Bay weather in springSeptember to November
High 20°CLow 14°CRain 48%
Spring in Plettenberg Bay has typical daily highs of about 20°C and lows of about 14°C, with a 48% chance of rain on a given day.
Plettenberg Bay weather in summerDecember to February
High 24°CLow 18°CRain 38%
Summer in Plettenberg Bay has typical daily highs of about 24°C and lows of about 18°C, with a 38% chance of rain on a given day.
Plettenberg Bay weather in autumnMarch to May
High 21°CLow 15°CRain 38%
Autumn in Plettenberg Bay has typical daily highs of about 21°C and lows of about 15°C, with a 38% chance of rain on a given day.
When is the rainy season in Plettenberg Bay?
Plettenberg Bay has no sharply defined rainy season: the chance of rain on a given day runs from 35% in April, the driest month, to 53% in September, the wettest.
What time of year is Plettenberg Bay windiest?
Winds in Plettenberg Bay are highest in October, averaging 2.9 m/s (10 km/h), and lightest in May, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Plettenberg Bay year round?
The average temperature in Plettenberg Bay over the whole year is 17°C. January is the hottest month, with highs of about 24°C; August is the coldest, with lows of about 11°C.