Annual mean 17°C · wettest around August · prevailing wind S
Warmest
33.7 °C
Coldest
7.4 °C
Wettest
94%
Windiest
6.5 m/s
Prevailing
S
5.2 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 Duncan over the whole year is 17°C. July is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 0°C. Duncan has no sharply defined rainy season: the chance of rain on a given day runs from 61% in November, the driest month, to 79% in August, the wettest. Winds in Duncan are highest in March, averaging 4.7 m/s (17 km/h), and lightest in September, at 3.3 m/s (12 km/h). The prevailing wind is from the S. The clearest skies in Duncan come in July, when the sky is typically 16% covered; May is the cloudiest month, at 36%.
Month by month Duncan 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
8°C
0°C
3°C
77%
31%
3.9 m/s
5
0
29
February
10°C
2°C
4°C
75%
33%
4.3 m/s
14
0
39
March
17°C
8°C
12°C
79%
30%
4.7 m/s
33
3
62
April
20°C
11°C
16°C
76%
36%
4.7 m/s
56
7
63
May
25°C
17°C
23°C
75%
36%
4.2 m/s
60
37
38
June
30°C
22°C
30°C
78%
24%
3.9 m/s
22
54
7
July
33°C
24°C
34°C
70%
16%
3.6 m/s
4
40
0
August
33°C
23°C
33°C
79%
17%
3.5 m/s
8
41
1
September
29°C
19°C
29°C
74%
24%
3.3 m/s
32
58
13
October
23°C
13°C
20°C
76%
25%
3.8 m/s
56
29
46
November
16°C
7°C
12°C
61%
27%
3.7 m/s
35
2
64
December
11°C
3°C
6°C
69%
32%
3.8 m/s
10
0
43
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 Duncan weather by season
Year round, Duncan has days of about 8°C at their warmest in January, its coolest month, and 33°C in July, its warmest; the coolest hours of the day run from 0°C to 24°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around August and least likely around November. 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.
Duncan weather in winterDecember to February
High 10°CLow 2°CRain 74%
Winter in Duncan has typical daily highs of about 10°C and lows of about 2°C, with a 74% chance of rain on a given day.
Duncan weather in springMarch to May
High 21°CLow 12°CRain 76%
Spring in Duncan has typical daily highs of about 21°C and lows of about 12°C, with a 76% chance of rain on a given day.
Duncan weather in summerJune to August
High 32°CLow 23°CRain 76%
Summer in Duncan has typical daily highs of about 32°C and lows of about 23°C, with a 76% chance of rain on a given day.
Duncan weather in autumnSeptember to November
High 23°CLow 13°CRain 70%
Autumn in Duncan has typical daily highs of about 23°C and lows of about 13°C, with a 70% chance of rain on a given day.
When is the rainy season in Duncan?
Duncan has no sharply defined rainy season: the chance of rain on a given day runs from 61% in November, the driest month, to 79% in August, the wettest.
What time of year is Duncan windiest?
Winds in Duncan are highest in March, averaging 4.7 m/s (17 km/h), and lightest in September, at 3.3 m/s (12 km/h). The prevailing wind is from the S.
What is the average temperature in Duncan year round?
The average temperature in Duncan over the whole year is 17°C. July is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 0°C.