Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Duncan (SC) Weather and Climate: A Comprehensive Guide

The temperature in Duncan can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Duncan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 32°C in July, the warmest time of the year, to a chilly 11°C during cooler months like January.

At night, temperatures typically drop to an average of around -1°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Duncan is known for its substantial rain/snowfall, with annual precipitation reaching 1220 mm. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 141 mm of precipitation, spread over 12 rainy days.

In contrast, February experiences a drier climate, with about 77 mm of rainfall spread across 9 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Duncan (SC)

Fri   Dec 27
8°C | 5°C
NE 6 m/s
0.8 mm
overcast and slight rain

overcast and slight rain

Sat   Dec 28
14°C | 6°C
NE 3 m/s
38 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
20°C | 11°C
S 8 m/s
42 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Duncan in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Duncan?
    July has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Duncan?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Duncan?
    December tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in Duncan?
    February is the driest month with 77 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.