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Flat Rock (NC) Weather and Climate: A Comprehensive Guide

The climate in Flat Rock is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

In Flat Rock, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 29°C in July to a chilly 9°C in January.

Nighttime temperatures can drop, with average lows reaching -3°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Flat Rock experiences significant rain/snowfall throughout the year, averaging 1542 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 181 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 90 mm of rainfall.

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

Sunshine over the year

Flat Rock enjoys sunny spells year-round. June sees up to 8.9 hours of daily sunshine, perfect for a sunny trip. December, the least sunny month, still offers a generous 5.5 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Asheville, the United States of America (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Asheville, the United States of America (37 KM, 23 Miles).

Forecast for Flat Rock (NC)

Fri   Dec 27
6°C | 1°C
SE 4 m/s
4.7 mm
broken clouds and rain

broken clouds and rain

Sat   Dec 28
15°C | 6°C
SE 4 m/s
20 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
18°C | 8°C
SE 7 m/s
67 mm
broken clouds and thunder

broken clouds and thunder

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

During the months of April, May and September 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:
  • When is summer in Flat Rock?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Flat Rock?
    Most rainfall (rainy season) is seen in August and December.
  • Which is the warmest month in Flat Rock?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Flat Rock?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Flat Rock?
    December tops the wettest month list with 181 mm of rainfall.
  • Which is the driest month in Flat Rock?
    February is the driest month with 90 mm of precipitation.
  • Which is the sunniest month in Flat Rock?
    June is the sunniest month with an average of 268 hours of sunshine.

  • 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.