The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year. Air quality is considered satisfactory, and air pollution poses little or no risk. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. precipitation in. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Use up and down arrows to change selection. 5. 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. Rain falls throughout the year in Alexandria. The stations contributing to this reconstruction are: Ronald Reagan Washington National Airport (75%, 4.8 kilometers, north); Mount Vernon Hospital Heliport (13%, 15 kilometers, southwest); and Washington Executive Airport/Hyde Field (11%, 16 kilometers, east). Pretty much off the mark for July August.As far as the predicted 2020-2021 winter forecast goes, any good yankee knows if you have a particularly hot dry summer you will have a colder and snowier winter. Average precipitation in : Av. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. That bird looked infirm, at times, or at least lethargic. We had such a mild winter I was able to get so much accomplished outside. Based on this score, the best time of year to visit Alexandria for hot-weather activities is from late June to early September, with a peak score in the second week of August. © Copyright TWC Product and Technology LLC 2014, 2020. The best time of year to visit Alexandria in Egypt. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. The time of year with warmer water lasts for 3.3 months, from June 22 to October 1, with an average temperature above 69°F. Alexandria, located in Northern Virginia, is a four seasons destination, blossoming in spring, warming to summer and cooling off for a crisp and colorful fall which ushers in the cold but cozy charm of winter. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 39% on July 13. It has been really great. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Let it snow storm 6 feet deep!! I live in Richmond, Virginia and I really hope that this winter will be a snowy winter. 35°. Lets see who's closer. For the purposes of this report, the geographical coordinates of Alexandria are 38.805 deg latitude, -77.047 deg longitude, and 33 ft elevation. Avg. Humanity - pejorative to climate change! The calmer time of year lasts for 5.4 months, from May 7 to October 20. The snowiest periods will occur in mid-December and early March. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Based on this score, the best times of year to visit Alexandria for general outdoor tourist activities are from early to mid June and from mid August to early October, with a peak score in the first week of September. I noted very little lightning over the ocean in the course of this summer. The darkest day of the year is December 22, with an average of 2.0 kWh. Submitted by Tom on September 24, 2020 - 10:08am. Especially to make up after last years dud of a winter. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Share: Get the Long Range Weather for Your Location ... To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores. Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities. Here are some average weather … The percentage of time spent in various temperature bands. Over the course of the year, the temperature typically varies from 29°F to 88°F and is rarely below 17°F or above 96°F . The darker period of the year lasts for 3.1 months, from November 5 to February 9, with an average daily incident shortwave energy per square meter below 3.0 kWh. Submitted by Jaden Iarusso on August 29, 2020 - 9:01pm. Would love to see 70s! The average hourly temperature, color coded into bands. 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. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Alexandria. I prefer above average but not record setting during the summer. The most monthly precipitation in Alexandria occurs in June with 5.3 inches. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. The shaded overlays indicate night and civil twilight. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The warmest month of the year is August, with an average temperature of 26.8 °C | 80.2 °F. The earliest sunrise is at 5:42 AM on June 13, and the latest sunrise is 1 hour, 52 minutes later at 7:34 AM on October 31. Summer can be uncomforatably hot and sweaty. The clearer part of the year in Alexandria begins around July 3 and lasts for 4.3 months, ending around November 13. High Temp: 89 °F. The figure below presents a compact representation of key lunar data for 2020. The annual BestPlaces Comfort Index for Alexandria is 7.3 (10=best), which means it is about average compared to other places in Virginia. The drier season lasts 8.0 months, from August 24 to April 25. Fall can’t get here soon enough. Use escape to clear. Already planning next years gardens can't wait. 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. Based on growing degree days alone, the first spring blooms in Alexandria should appear around March 18, only rarely appearing before March 2 or after April 3. The number of hours during which the Sun is visible (black line). July is on average the WARMEST month. 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. On January 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 52% of the time, and clear, mostly clear, or partly cloudy 48% of the time. I hate the summer months, besides the Hurricanes it stinks. Wind: 8 mph. The hottest day of the year is July 20, with an average high of 88°F and low of 72°F. Few thunderstorms, and only one that could be described as strong. Some cold. The predominant average hourly wind direction in Alexandria varies throughout the year. Pressure: 30.06 "Hg. Bring on the cold. 2020-2021 Long Range Weather Forecast for Alexandria, VA . The shaded overlays indicate night and civil twilight. : Average precipitation in inch - Days precip. The winter of 2020 was trash, no snow. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. Go to Alexandria in either the spring or autumn. 50°. Annual Weather Averages in Alexandria Based on weather reports collected during 1985–2015. The cold season lasts for 3.2 months, from November 30 to March 3, with an average daily high temperature below 52°F. July is the most humid month, though humidity is low for most of the year. Weather data is prone to errors, outages, and other defects. Watch for a hurricane in early August. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.