Annual mean 17°C · wettest around November · prevailing wind S
Warmest
28.5 °C
Coldest
15.3 °C
Wettest
38%
Windiest
7.0 m/s
Prevailing
S
6.2 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 Whyalla over the whole year is 17°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 7°C. The rainy (wet) season in Whyalla runs from November, peaking in November with a 34% chance of rain on a given day. The dry season is February to October; February is the driest month, at 8%. Winds in Whyalla are highest in January, averaging 6.0 m/s (22 km/h), and lightest in May, at 3.9 m/s (14 km/h). The prevailing wind is from the S. The clearest skies in Whyalla come in February, when the sky is typically 33% covered; June is the cloudiest month, at 58%.
Month by month Whyalla 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
28°C
20°C
24°C
24%
34%
6.0 m/s
60
33
40
February
27°C
19°C
24°C
8%
33%
5.7 m/s
65
35
44
March
26°C
17°C
23°C
16%
33%
5.0 m/s
70
32
48
April
23°C
13°C
19°C
13%
37%
4.2 m/s
74
14
70
May
19°C
9°C
15°C
11%
47%
3.9 m/s
51
0
85
June
16°C
7°C
11°C
16%
58%
4.0 m/s
17
0
81
July
16°C
7°C
10°C
15%
51%
4.3 m/s
11
0
76
August
17°C
8°C
12°C
15%
49%
4.4 m/s
20
0
78
September
20°C
10°C
14°C
20%
39%
4.7 m/s
42
1
79
October
22°C
13°C
17°C
20%
42%
5.1 m/s
56
8
72
November
24°C
17°C
19°C
34%
41%
5.5 m/s
61
17
61
December
26°C
19°C
22°C
17%
37%
5.9 m/s
63
25
51
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 Whyalla weather by season
Year round, Whyalla has days of about 16°C at their warmest in July, its coolest month, and 28°C in January, its warmest; the coolest hours of the day run from 7°C to 20°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around November and least likely around February. 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.
Whyalla weather in winterJune to August
High 16°CLow 7°CRain 15%
Winter in Whyalla has typical daily highs of about 16°C and lows of about 7°C, with a 15% chance of rain on a given day.
Whyalla weather in springSeptember to November
High 22°CLow 13°CRain 25%
Spring in Whyalla has typical daily highs of about 22°C and lows of about 13°C, with a 25% chance of rain on a given day.
Whyalla weather in summerDecember to February
High 27°CLow 19°CRain 16%
Summer in Whyalla has typical daily highs of about 27°C and lows of about 19°C, with a 16% chance of rain on a given day.
Whyalla weather in autumnMarch to May
High 22°CLow 13°CRain 14%
Autumn in Whyalla has typical daily highs of about 22°C and lows of about 13°C, with a 14% chance of rain on a given day.
When is the rainy season in Whyalla?
The rainy (wet) season in Whyalla runs from November, peaking in November with a 34% chance of rain on a given day. The dry season is February to October; February is the driest month, at 8%.
What time of year is Whyalla windiest?
Winds in Whyalla are highest in January, averaging 6.0 m/s (22 km/h), and lightest in May, at 3.9 m/s (14 km/h). The prevailing wind is from the S.
What is the average temperature in Whyalla year round?
The average temperature in Whyalla over the whole year is 17°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 7°C.