To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. 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.

Current conditions at Charleston, Charleston Air Force Base (KCHS) Lat: 32.9°NLon: 80.04°WElev: 46ft. In Charleston, the average percentage of the sky covered by clouds experiences From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. 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. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than The estimated value at Charleston is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Charleston and a given station. This section discusses the wide-area hourly average wind vector (speed and direction) at Over the course of the year, the temperature typically varies from 43°F to 89°F and is rarely below 30°F or above 94°F . Charleston (SC) - Weather warnings issued 14-day forecast. Free Long Range Weather Forecast for Charleston, South Carolina. The thin dotted line is the corresponding average liquid-equivalent snowfall. Shortwave radiation includes visible light and ultraviolet radiation. To characterize how pleasant the weather is in Charleston throughout the year, we compute two travel scores. The percentage of time spent in various temperature bands. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. 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). While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The predominant average hourly wind direction in Charleston varies throughout the year. Over the course of the year, the temperature typically varies from

The solar day over the course of the year 2020. Enter any city, zip or place. For the purposes of this report, the geographical coordinates of Charleston are 32.777 deg latitude, -79.931 deg longitude, and 3 ft elevation.

The thin dotted lines are the corresponding average perceived temperatures. The average hourly wind speed in Charleston experiences In 2020, the shortest day is

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Charleston, SC 5777 South Aviation Avenue North Charleston, SC 29406-6162 This section reports on the wide-area average surface temperature of that water.

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Jul August 2020 . Charleston is located near a large body of water (e.g., ocean, sea, or large lake). Last updated Wednesday at 04:26. Check out our current live radar and weather forecasts for Charleston, South Carolina to help plan your day