Annual mean 18°C · wettest around March · prevailing wind NW
Warmest
31.2 °C
Coldest
11.9 °C
Wettest
22%
Windiest
5.0 m/s
Prevailing
NW
3.6 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 Gunnedah over the whole year is 18°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 6°C. Gunnedah has no sharply defined rainy season: the chance of rain on a given day runs from 8% in May, the driest month, to 14% in March, the wettest. Winds in Gunnedah are highest in February, averaging 4.1 m/s (15 km/h), and lightest in July, at 2.5 m/s (9 km/h). The prevailing wind is from the NW. The clearest skies in Gunnedah come in April, when the sky is typically 59% covered; June is the cloudiest month, at 71%.
Month by month Gunnedah 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
30°C
22°C
29°C
12%
60%
4.0 m/s
29
67
11
February
29°C
21°C
28°C
11%
62%
4.1 m/s
45
69
16
March
27°C
19°C
25°C
14%
66%
3.6 m/s
59
57
27
April
21°C
14°C
20°C
8%
59%
2.9 m/s
82
13
72
May
16°C
10°C
14°C
8%
68%
2.6 m/s
48
1
82
June
13°C
6°C
10°C
10%
71%
2.6 m/s
15
0
71
July
12°C
6°C
9°C
9%
69%
2.5 m/s
13
0
67
August
14°C
8°C
11°C
10%
63%
2.6 m/s
22
0
74
September
18°C
10°C
15°C
11%
66%
3.0 m/s
51
2
79
October
22°C
14°C
18°C
13%
64%
3.3 m/s
70
14
72
November
26°C
17°C
24°C
14%
65%
3.8 m/s
69
46
41
December
29°C
20°C
27°C
11%
63%
3.8 m/s
49
60
23
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 Gunnedah weather by season
Year round, Gunnedah has days of about 12°C at their warmest in July, its coolest month, and 30°C in January, its warmest; the coolest hours of the day run from 6°C to 22°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around March and least likely around May. 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.
Gunnedah weather in winterJune to August
High 13°CLow 7°CRain 9%
Winter in Gunnedah has typical daily highs of about 13°C and lows of about 7°C, with a 9% chance of rain on a given day.
Gunnedah weather in springSeptember to November
High 22°CLow 14°CRain 12%
Spring in Gunnedah has typical daily highs of about 22°C and lows of about 14°C, with a 12% chance of rain on a given day.
Gunnedah weather in summerDecember to February
High 30°CLow 21°CRain 11%
Summer in Gunnedah has typical daily highs of about 30°C and lows of about 21°C, with a 11% chance of rain on a given day.
Gunnedah weather in autumnMarch to May
High 21°CLow 14°CRain 10%
Autumn in Gunnedah has typical daily highs of about 21°C and lows of about 14°C, with a 10% chance of rain on a given day.
When is the rainy season in Gunnedah?
Gunnedah has no sharply defined rainy season: the chance of rain on a given day runs from 8% in May, the driest month, to 14% in March, the wettest.
What time of year is Gunnedah windiest?
Winds in Gunnedah are highest in February, averaging 4.1 m/s (15 km/h), and lightest in July, at 2.5 m/s (9 km/h). The prevailing wind is from the NW.
What is the average temperature in Gunnedah year round?
The average temperature in Gunnedah over the whole year is 18°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 6°C.