Annual mean 21°C · wettest around March · prevailing wind SE
Warmest
29.3 °C
Coldest
20.1 °C
Wettest
35%
Windiest
5.6 m/s
Prevailing
SE
4.8 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 Hervey Bay over the whole year is 21°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 11°C. The rainy (wet) season in Hervey Bay runs from December to March, peaking in March with a 23% chance of rain on a given day. The dry season is June to September; September is the driest month, at 6%. Winds in Hervey Bay are highest in February, averaging 4.2 m/s (15 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SE. The clearest skies in Hervey Bay come in August, when the sky is typically 64% covered; May is the cloudiest month, at 70%.
Month by month Hervey 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
29°C
23°C
29°C
15%
64%
3.9 m/s
27
68
4
February
29°C
22°C
29°C
21%
66%
4.2 m/s
30
62
6
March
28°C
22°C
28°C
23%
70%
3.8 m/s
33
61
7
April
26°C
18°C
25°C
13%
66%
3.7 m/s
72
50
28
May
23°C
16°C
22°C
16%
70%
3.3 m/s
80
23
55
June
21°C
13°C
18°C
9%
69%
3.0 m/s
80
5
80
July
20°C
11°C
18°C
10%
69%
2.9 m/s
77
3
81
August
22°C
12°C
19°C
6%
64%
3.0 m/s
85
7
79
September
24°C
15°C
22°C
6%
66%
3.4 m/s
89
21
62
October
25°C
18°C
24°C
15%
67%
3.7 m/s
76
43
35
November
27°C
21°C
26°C
13%
65%
3.9 m/s
64
55
23
December
28°C
23°C
28°C
16%
66%
4.0 m/s
37
65
9
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 Hervey Bay weather by season
Year round, Hervey Bay has days of about 20°C at their warmest in July, its coolest month, and 29°C in January, its warmest; the coolest hours of the day run from 11°C to 23°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around March and least likely around September. 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.
Hervey Bay weather in winterJune to August
High 21°CLow 12°CRain 8%
Winter in Hervey Bay has typical daily highs of about 21°C and lows of about 12°C, with a 8% chance of rain on a given day.
Hervey Bay weather in springSeptember to November
High 25°CLow 18°CRain 11%
Spring in Hervey Bay has typical daily highs of about 25°C and lows of about 18°C, with a 11% chance of rain on a given day.
Hervey Bay weather in summerDecember to February
High 29°CLow 23°CRain 17%
Summer in Hervey Bay has typical daily highs of about 29°C and lows of about 23°C, with a 17% chance of rain on a given day.
Hervey Bay weather in autumnMarch to May
High 26°CLow 19°CRain 17%
Autumn in Hervey Bay has typical daily highs of about 26°C and lows of about 19°C, with a 17% chance of rain on a given day.
When is the rainy season in Hervey Bay?
The rainy (wet) season in Hervey Bay runs from December to March, peaking in March with a 23% chance of rain on a given day. The dry season is June to September; September is the driest month, at 6%.
What time of year is Hervey Bay windiest?
Winds in Hervey Bay are highest in February, averaging 4.2 m/s (15 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SE.
What is the average temperature in Hervey Bay year round?
The average temperature in Hervey Bay over the whole year is 21°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 11°C.