Winter Weather in Calhoun Falls United States

Daily high temperatures are around 58°F, rarely falling below 42°F or exceeding 74°F. The lowest daily average high temperature is 55°F on January 8.

Daily low temperatures are around 39°F, rarely falling below 24°F or exceeding 55°F. The lowest daily average low temperature is 36°F on January 24.

For reference, on July 20, the hottest day of the year, temperatures in Calhoun Falls typically range from 72°F to 91°F, while on January 24, the coldest day of the year, they range from 36°F to 55°F.

The figure below shows you a compact characterization of the hourly average winter temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Tepehan, Turkey (6,192 miles away) and Baiyun, China (8,059 miles) are the far-away foreign places with temperatures most similar to Calhoun Falls (view comparison).

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The winter in Calhoun Falls experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 48% throughout the season. The highest chance of overcast or mostly cloudy conditions is 51% on January 4.

The clearest day of the winter is December 1, with clear, mostly clear, or partly cloudy conditions 56% of the time.

For reference, on January 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 51%, while on October 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Calhoun Falls, the chance of a wet day over the course of the winter is gradually increasing, starting the season at 26% and ending it at 29%.

For reference, the year's highest daily chance of a wet day is 42% on July 25, and its lowest chance is 19% on October 28.

Over the course of the winter in Calhoun Falls, the chance of a day with only rain increases from 25% to 28%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the winter in Calhoun Falls is increasing, starting the season at 3.6 inches, when it rarely exceeds 6.1 inches or falls below 1.6 inches, and ending the season at 4.2 inches, when it rarely exceeds 6.4 inches or falls below 1.9 inches.

Over the course of the winter in Calhoun Falls, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 24 minutes, implying an average daily increase of 56 seconds, and weekly increase of 6 minutes, 35 seconds.

The shortest day of the winter is December 21, with 9 hours, 53 minutes of daylight and the longest day is February 28, with 11 hours, 26 minutes of daylight.

The latest sunrise of the winter in Calhoun Falls is 7:36 AM on January 7 and the earliest sunrise is 37 minutes earlier at 6:59 AM on February 28.

The earliest sunset is 5:20 PM on December 4 and the latest sunset is 1 hour, 5 minutes later at 6:26 PM on February 28.

Daylight saving time is observed in Calhoun Falls during 2024, but it neither starts nor ends during the winter, so the entire season is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:19 AM and sets 14 hours, 26 minutes later, at 8:45 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 9 hours, 53 minutes later, at 5:25 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the winter of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Calhoun Falls is essentially constant during the winter, remaining within 1% of 1% throughout.

The lowest chance of a muggy day during the winter is 0% on February 9.

For reference, on July 24, the muggiest day of the year, there are muggy conditions 91% of the time, while on February 8, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Calhoun Falls is gradually increasing during the winter, increasing from 4.4 miles per hour to 5.0 miles per hour over the course of the season.

For reference, on March 7, the windiest day of the year, the daily average wind speed is 5.1 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 3.3 miles per hour.

The hourly average wind direction in Calhoun Falls throughout the winter is predominantly from the west, with a peak proportion of 42% on January 13.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Calhoun Falls typically lasts for 7.9 months (242 days), from around March 18 to around November 15, rarely starting before February 21 or after April 8, and rarely ending before October 27 or after December 4.

The winter in Calhoun Falls is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of 0% on January 15.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Calhoun Falls are very rapidly decreasing during the winter, decreasing by 5,218°F, from 5,386°F to 168°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Calhoun Falls is increasing during the winter, rising by 1.4 kWh, from 2.8 kWh to 4.2 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 2.6 kWh on December 24.

For the purposes of this report, the geographical coordinates of Calhoun Falls are 34.092 deg latitude, -82.596 deg longitude, and 525 ft elevation.

The topography within 2 miles of Calhoun Falls contains only modest variations in elevation, with a maximum elevation change of 246 feet and an average elevation above sea level of 512 feet. Within 10 miles also contains only modest variations in elevation (384 feet). Within 50 miles contains only modest variations in elevation (1,132 feet).

The area within 2 miles of Calhoun Falls is covered by trees (39%), cropland (27%), herbaceous vegetation (14%), and water (12%), within 10 miles by trees (65%) and water (16%), and within 50 miles by trees (69%) and cropland (20%).