Annual mean 20°C · wettest around March · prevailing wind SE
Warmest
28.9 °C
Coldest
17.8 °C
Wettest
42%
Windiest
5.4 m/s
Prevailing
SE
4.6 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 Goonellabah over the whole year is 20°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 10°C. The rainy (wet) season in Goonellabah runs from January to May, peaking in March with a 36% chance of rain on a given day. The dry season is June to December; August is the driest month, at 14%. Winds in Goonellabah are highest in December, averaging 4.1 m/s (15 km/h), and lightest in May, at 3.2 m/s (12 km/h). The prevailing wind is from the SE. The clearest skies in Goonellabah come in August, when the sky is typically 64% covered; March is the cloudiest month, at 76%.
Month by month Goonellabah 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
22°C
29°C
25%
70%
3.9 m/s
38
63
10
February
28°C
21°C
28°C
29%
70%
4.0 m/s
40
61
11
March
27°C
20°C
27°C
36%
76%
3.7 m/s
47
57
15
April
24°C
17°C
23°C
27%
68%
3.5 m/s
76
34
41
May
21°C
14°C
19°C
25%
69%
3.2 m/s
77
9
67
June
19°C
11°C
16°C
18%
69%
3.3 m/s
65
1
83
July
18°C
10°C
16°C
16%
68%
3.3 m/s
62
1
83
August
20°C
11°C
17°C
14%
64%
3.4 m/s
71
4
80
September
22°C
13°C
20°C
14%
66%
3.8 m/s
78
13
68
October
24°C
17°C
22°C
22%
71%
4.0 m/s
76
29
51
November
26°C
19°C
24°C
20%
68%
3.9 m/s
68
42
37
December
28°C
21°C
27°C
23%
70%
4.1 m/s
49
59
17
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 Goonellabah weather by season
Year round, Goonellabah has days of about 18°C at their warmest in July, its coolest month, and 28°C in January, its warmest; the coolest hours of the day run from 10°C to 22°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around March 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.
Goonellabah weather in winterJune to August
High 19°CLow 11°CRain 16%
Winter in Goonellabah has typical daily highs of about 19°C and lows of about 11°C, with a 16% chance of rain on a given day.
Goonellabah weather in springSeptember to November
High 24°CLow 16°CRain 19%
Spring in Goonellabah has typical daily highs of about 24°C and lows of about 16°C, with a 19% chance of rain on a given day.
Goonellabah weather in summerDecember to February
High 28°CLow 21°CRain 26%
Summer in Goonellabah has typical daily highs of about 28°C and lows of about 21°C, with a 26% chance of rain on a given day.
Goonellabah weather in autumnMarch to May
High 24°CLow 17°CRain 29%
Autumn in Goonellabah has typical daily highs of about 24°C and lows of about 17°C, with a 29% chance of rain on a given day.
When is the rainy season in Goonellabah?
The rainy (wet) season in Goonellabah runs from January to May, peaking in March with a 36% chance of rain on a given day. The dry season is June to December; August is the driest month, at 14%.
What time of year is Goonellabah windiest?
Winds in Goonellabah are highest in December, averaging 4.1 m/s (15 km/h), and lightest in May, at 3.2 m/s (12 km/h). The prevailing wind is from the SE.
What is the average temperature in Goonellabah year round?
The average temperature in Goonellabah over the whole year is 20°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 10°C.