Annual mean 10°C · wettest around January · prevailing wind SE
Warmest
20.5 °C
Coldest
4.9 °C
Wettest
41%
Windiest
3.8 m/s
Prevailing
SE
3.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 10°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Duncan runs from October to March, peaking in January with a 38% chance of rain on a given day. The dry season is April to September; July is the driest month, at 13%. Winds in Duncan are highest in July, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.4 m/s (9 km/h). The prevailing wind is from the SE. The clearest skies in Duncan come in July, when the sky is typically 31% covered; January is the cloudiest month, at 60%.
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
6°C
4°C
2°C
38%
60%
2.8 m/s
0
0
15
February
6°C
3°C
2°C
33%
56%
2.9 m/s
0
0
16
March
8°C
5°C
4°C
28%
53%
2.8 m/s
1
0
32
April
11°C
7°C
7°C
24%
47%
3.0 m/s
7
0
54
May
15°C
11°C
12°C
18%
44%
3.0 m/s
31
1
76
June
17°C
13°C
15°C
17%
43%
3.0 m/s
47
4
79
July
20°C
15°C
18°C
13%
31%
3.1 m/s
69
12
73
August
20°C
15°C
19°C
14%
36%
2.7 m/s
71
16
71
September
17°C
12°C
15°C
21%
43%
2.4 m/s
52
4
81
October
12°C
9°C
10°C
28%
47%
2.5 m/s
12
0
68
November
8°C
6°C
5°C
36%
56%
2.8 m/s
1
0
35
December
6°C
4°C
2°C
37%
59%
2.8 m/s
0
0
15
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 6°C at their warmest in December, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from 3°C to 15°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January and least likely around July. 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 6°CLow 4°CRain 36%
Winter in Duncan has typical daily highs of about 6°C and lows of about 4°C, with a 36% chance of rain on a given day.
Duncan weather in springMarch to May
High 11°CLow 7°CRain 24%
Spring in Duncan has typical daily highs of about 11°C and lows of about 7°C, with a 24% chance of rain on a given day.
Duncan weather in summerJune to August
High 19°CLow 14°CRain 15%
Summer in Duncan has typical daily highs of about 19°C and lows of about 14°C, with a 15% chance of rain on a given day.
Duncan weather in autumnSeptember to November
High 13°CLow 9°CRain 28%
Autumn in Duncan has typical daily highs of about 13°C and lows of about 9°C, with a 28% chance of rain on a given day.
When is the rainy season in Duncan?
The rainy (wet) season in Duncan runs from October to March, peaking in January with a 38% chance of rain on a given day. The dry season is April to September; July is the driest month, at 13%.
What time of year is Duncan windiest?
Winds in Duncan are highest in July, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.4 m/s (9 km/h). The prevailing wind is from the SE.
What is the average temperature in Duncan year round?
The average temperature in Duncan over the whole year is 10°C. July is the hottest month, with highs of about 20°C; February is the coldest, with lows of about 3°C.