Annual mean 17°C · wettest around September · prevailing wind S
Warmest
24.5 °C
Coldest
17.1 °C
Wettest
73%
Windiest
4.7 m/s
Prevailing
S
3.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Mossel Bay over the whole year is 17°C. February is the hottest month, with highs of about 24°C; August is the coldest, with lows of about 10°C. Mossel Bay has no sharply defined rainy season: the chance of rain on a given day runs from 29% in June, the driest month, to 47% in September, the wettest. Winds in Mossel Bay are highest in January, averaging 3.2 m/s (12 km/h), and lightest in May, at 2.4 m/s (9 km/h). The prevailing wind is from the S. The clearest skies in Mossel Bay come in July, when the sky is typically 47% covered; January is the cloudiest month, at 64%.
Month by month Mossel 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
19°C
23°C
36%
64%
3.2 m/s
74
34
44
February
24°C
19°C
24°C
33%
60%
2.9 m/s
75
33
45
March
23°C
18°C
22°C
40%
61%
2.6 m/s
78
25
53
April
21°C
15°C
20°C
34%
57%
2.5 m/s
77
14
68
May
20°C
13°C
18°C
38%
51%
2.4 m/s
75
9
73
June
19°C
12°C
16°C
29%
48%
2.8 m/s
58
5
77
July
18°C
11°C
15°C
40%
47%
2.9 m/s
50
2
77
August
18°C
10°C
14°C
38%
50%
2.8 m/s
49
3
78
September
19°C
12°C
16°C
47%
56%
2.9 m/s
55
4
77
October
20°C
14°C
17°C
37%
60%
3.2 m/s
66
7
74
November
21°C
15°C
19°C
37%
60%
3.0 m/s
76
9
72
December
23°C
17°C
22°C
30%
62%
3.1 m/s
79
22
58
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 Mossel Bay weather by season
Year round, Mossel Bay has days of about 18°C at their warmest in August, its coolest month, and 24°C in February, its warmest; the coolest hours of the day run from 10°C to 19°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 June. 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.
Mossel Bay weather in winterJune to August
High 18°CLow 11°CRain 36%
Winter in Mossel Bay has typical daily highs of about 18°C and lows of about 11°C, with a 36% chance of rain on a given day.
Mossel Bay weather in springSeptember to November
High 20°CLow 14°CRain 40%
Spring in Mossel Bay has typical daily highs of about 20°C and lows of about 14°C, with a 40% chance of rain on a given day.
Mossel Bay weather in summerDecember to February
High 24°CLow 18°CRain 33%
Summer in Mossel Bay has typical daily highs of about 24°C and lows of about 18°C, with a 33% chance of rain on a given day.
Mossel Bay weather in autumnMarch to May
High 22°CLow 15°CRain 37%
Autumn in Mossel Bay has typical daily highs of about 22°C and lows of about 15°C, with a 37% chance of rain on a given day.
When is the rainy season in Mossel Bay?
Mossel Bay has no sharply defined rainy season: the chance of rain on a given day runs from 29% in June, the driest month, to 47% in September, the wettest.
What time of year is Mossel Bay windiest?
Winds in Mossel Bay are highest in January, averaging 3.2 m/s (12 km/h), and lightest in May, at 2.4 m/s (9 km/h). The prevailing wind is from the S.
What is the average temperature in Mossel Bay year round?
The average temperature in Mossel Bay over the whole year is 17°C. February is the hottest month, with highs of about 24°C; August is the coldest, with lows of about 10°C.