2017 2018 2019 2020. The chance of wet days in Yellowknife varies throughout the year. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end. The links take you to data for normal temperatures, precipitation, snowfall and sunshine. The least snow falls around July 25, with an average total liquid-equivalent accumulation of 0.0 inches. Get the monthly weather forecast for Yellowknife, Northwest Territories, Canada, including daily high/low, historical averages, to help you plan ahead. On November 18, the cloudiest day of the year, the sky is overcast or mostly cloudy 73% of the time, and clear, mostly clear, or partly cloudy 27% of the time. With an average of 15.4 °C | 59.7 °F, July is the warmest month. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The rainless period of the year lasts for 6.3 months, from October 18 to April 28. Yellowknife averages 2256.5 hours of bright sunshine per year or 43.5% of possible daylight hours, ranging from a low of 15.4% in December to a high of 63.0% in June. The average hourly wind speed in Yellowknife experiences significant seasonal variation over the course of the year. The number of hours during which the Sun is visible (black line). The wind is most often from the south for 2.7 months, from July 7 to September 27, with a peak percentage of 32% on August 4. Some days might be warmer and some days it might be colder, much colder but this is the heart of winter in Yellowknife. The thin dotted line is the corresponding average liquid-equivalent snowfall. The least rain falls around December 29, with an average total accumulation of 0.0 inches. The following charts show yearly weather trends with information on monthly weather averages and extremes. For each station, the records are corrected for the elevation difference between that station and Yellowknife according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. The windier part of the year lasts for 3.0 months, from March 27 to June 26, with average wind speeds of more than 10.6 miles per hour. With an average of 15.4 °C | 59.7 °F, July is the warmest month. 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 topography within 2 miles of Yellowknife contains only modest variations in elevation, with a maximum elevation change of 184 feet and an average elevation above sea level of 595 feet. In this report, we use a base of 50°F and a cap of 86°F. The wind is most often from the east for 9.4 months, from September 27 to July 7, with a peak percentage of 39% on January 1. Due to its warm summer temperatures, Yellowknife is well below the Arctic tree line in stark contrast to areas further east in Canada on similar parallels. The climate in Yellowknife during August can be summarized as mild and reasonably dry. The figure below shows you a compact characterization of the entire year of hourly average temperatures. Based on this score, the best time of year to visit Yellowknife for hot-weather activities is from mid to late July, with a peak score in the third week of July. Find out more about our data sources. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Winter temperatures can fall down to -20 degree Celsius on an average and even spring sees temperatures drop to approximately -10 degree Celsius during the night. As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. The weather guide for Yellowknife, Northwest Territories shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. So, strap up, let’s get into January in Yellowknife. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Weather data is prone to errors, outages, and other defects. Based on this categorization, the most common form of precipitation in Yellowknife changes throughout the year. In 2021, the shortest day is December 21, with 4 hours, 57 minutes of daylight; the longest day is June 20, with 20 hours, 0 minutes of daylight. support@__remove_this_part__weatherspark.com. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The calmer time of year lasts for 9.0 months, from June 26 to March 27. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. For the purposes of this report, the geographical coordinates of Yellowknife are 62.454 deg latitude, -114.372 deg longitude, and 623 ft elevation. The predominant average hourly wind direction in Yellowknife varies throughout the year. MERRA-2 Modern-Era Retrospective Analysis. The smallest chance of a wet day is 6% on February 22. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Over the course of the year, the temperature typically varies from -21°F to 71°F and is rarely below -41°F or above 79°F. On June 25, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 55% of the time, and overcast or mostly cloudy 45% of the time. 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. At this point in the winter, Yellowknife has received the majority of … Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The earliest sunrise is at 3:39 AM on June 19, and the latest sunrise is 6 hours, 29 minutes later at 10:08 AM on December 25. The highest chance of a day with rain alone is 21% on August 25. 2017 2018 2019 2020. 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. Here you can find all information about the weather in Yellowknife in October: >>Overview: Yellowknife Weather and Climate in October >>Yellowknife weather by month // weather averages >>Yellowknife weather in October // weather averages Farther down the page you'll find a link to in-depth weather information for Yellowknife. The length of the day in Yellowknife varies extremely over the course of the year. Yellowknife Weather for January 2020. Yellowknife, Northwest Territories, Canada - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Yellowknife, Canada Average daytime temperature. The black line is the percentage chance that a given day is within the growing season. May is a dry month with an average of 18mm (0.7in) rain. Within 10 miles also contains only modest variations in elevation (292 feet). The shaded overlays indicate night and civil twilight. Day by day forecast. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The snowy period of the year lasts for 7.7 months, from September 25 to May 17, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The figure below presents a compact representation of key lunar data for 2021. Yellowknife monthly weather averages. Snow alone is the most common for 6.0 months, from October 23 to April 23. Average Weather during January in Yellowknife (Northwest Territories), Canada. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (49°F) is normal. It also shows the maximum and minimum recorded temperatures. The average minimum temperature (usually the minimum temperature is noted during the night) in Yellowknife in January is -30.0°C (-22°F). 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