Annual mean 18°C · wettest around January · prevailing wind SW
Warmest
27.7 °C
Coldest
16.2 °C
Wettest
88%
Windiest
3.9 m/s
Prevailing
SW
3.3 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 Graaff-Reinet over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 6°C. The rainy (wet) season in Graaff-Reinet runs from January to March, peaking in January with a 47% chance of rain on a given day. The dry season is July to August; July is the driest month, at 22%. Winds in Graaff-Reinet are highest in December, averaging 3.3 m/s (12 km/h), and lightest in May, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Graaff-Reinet come in August, when the sky is typically 30% covered; February is the cloudiest month, at 53%.
Month by month Graaff-Reinet 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
29°C
18°C
26°C
47%
46%
3.2 m/s
55
52
27
February
29°C
17°C
25°C
40%
53%
2.9 m/s
62
47
32
March
27°C
16°C
24°C
47%
45%
2.7 m/s
70
37
43
April
23°C
12°C
20°C
34%
48%
2.4 m/s
71
18
65
May
20°C
9°C
17°C
38%
43%
2.3 m/s
67
6
76
June
17°C
8°C
13°C
44%
40%
2.8 m/s
41
0
80
July
17°C
6°C
12°C
22%
36%
2.8 m/s
35
0
76
August
19°C
6°C
13°C
25%
30%
2.8 m/s
39
1
76
September
21°C
9°C
16°C
44%
35%
2.9 m/s
56
6
74
October
24°C
11°C
19°C
37%
37%
3.1 m/s
60
20
61
November
26°C
13°C
22°C
40%
40%
3.2 m/s
69
27
54
December
28°C
16°C
24°C
34%
43%
3.3 m/s
66
41
40
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 Graaff-Reinet weather by season
Year round, Graaff-Reinet has days of about 17°C at their warmest in June, its coolest month, and 29°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 January and least likely around July. 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.
Graaff-Reinet weather in winterJune to August
High 18°CLow 7°CRain 31%
Winter in Graaff-Reinet has typical daily highs of about 18°C and lows of about 7°C, with a 31% chance of rain on a given day.
Graaff-Reinet weather in springSeptember to November
High 24°CLow 11°CRain 40%
Spring in Graaff-Reinet has typical daily highs of about 24°C and lows of about 11°C, with a 40% chance of rain on a given day.
Graaff-Reinet weather in summerDecember to February
High 29°CLow 17°CRain 41%
Summer in Graaff-Reinet has typical daily highs of about 29°C and lows of about 17°C, with a 41% chance of rain on a given day.
Graaff-Reinet weather in autumnMarch to May
High 23°CLow 13°CRain 40%
Autumn in Graaff-Reinet has typical daily highs of about 23°C and lows of about 13°C, with a 40% chance of rain on a given day.
When is the rainy season in Graaff-Reinet?
The rainy (wet) season in Graaff-Reinet runs from January to March, peaking in January with a 47% chance of rain on a given day. The dry season is July to August; July is the driest month, at 22%.
What time of year is Graaff-Reinet windiest?
Winds in Graaff-Reinet are highest in December, averaging 3.3 m/s (12 km/h), and lightest in May, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Graaff-Reinet year round?
The average temperature in Graaff-Reinet over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 6°C.