Spring (March–May): Average 43–55°F, mild but still relatively humid with occasional showers. March and April may still experience colder temperatures. Common activities: Outdoor walks, flower viewing. Recommended clothing: Light jacket, warm underlayers, rain gear.
Summer (June–August): Average 60–67°F, comfortable and pleasant with abundant sunshine and low rainfall. Common activities: Hiking, camping, water activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 60–41°F, cool with gradually increasing rainfall, with October being the rainiest month. Common activities: Fall foliage viewing, enjoying autumn cuisine. Recommended clothing: Warm jacket, comfortable trousers, rain gear.
Winter (December–February): Average 39–38°F, cold and humid with higher rainfall, with January being the rainiest month. Common activities: Indoor activities, appreciating winter scenery. Recommended clothing: Warm coat, hat, scarf, gloves, waterproof boots.
Duncan climatological average
Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 954 mm / Summer humidity: 60%–70% / Rainiest month: January
Duncan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
38.8°F
171.3
February
40.3°F
83.8
March
43.7°F
74.9
April
46.2°F
74.7
May
55.4°F
31.5
June
60.6°F
39.5
July
67.6°F
13
August
67.5°F
16.1
September
60.4°F
29
October
52.2°F
127.9
November
41.7°F
123.4
December
39.7°F
169.5
Duncan weather for the next seven days
12/15
Monday
Moderate rain
59.2°F/44.5°F
12/16
Tuesday
Heavy rain
48.7°F/45.5°F
12/17
Wednesday
Heavy rain
46°F/42.1°F
12/18
Thursday
Moderate rain
44.9°F/40.4°F
12/19
Friday
Patchy rain nearby
44.2°F/38.9°F
12/20
Saturday
Patchy rain nearby
41.5°F/37.6°F
12/21
Sunday
Moderate rain
43°F/37.7°F
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