The figure below presents a compact representation of key lunar data for 2020. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The clearer part of the year in Detroit begins around June 1 and lasts for 5.0 months, ending around November 3. Average temperature is the most popular factor that people take into consideration when looking for the best city to live in. Note that these seasonal averages are in contrast with those observed in Detroit in the month of november with a maximum record of 70°F in 2015 and a minimum record of 14°F in 2014. That's not to say there are no exceptions. 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 percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Low Temp: 21 °F. 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. : Days with precipitation - Hours sun. Past Weather in Detroit, Michigan, USA — Yesterday and Last 2 Weeks Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 33 °F. 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. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. 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. In this report, we use a base of 50°F and a cap of 86°F. The average summer temperature in the region is up 3.3 degrees F since 1970. The muggiest day of the year is July 31, with muggy conditions 37% of the time. The estimated value at Detroit is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Detroit and a given station. The smallest chance of a wet day is 16% on February 3. Detroit experiences some seasonal variation in monthly liquid-equivalent snowfall. The wetter season lasts 6.4 months, from March 26 to October 6, with a greater than 26% chance of a given day being a wet day. The time of year with cooler water lasts for 4.3 months, from December 7 to April 15, with an average temperature below 41°F. The weather in october in Detroit is wet (with 3.2in of rainfall over 11 days). The average high temperature in the Detroit area is 15C with a low of 5C (59F-42F). The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The day of the year with the warmest water is August 2, with an average temperature of 74°F. Detroit is located near a large body of water (e.g., ocean, sea, or large lake). Shortwave radiation includes visible light and ultraviolet radiation. The percentage of time spent in various temperature bands. The brightest day of the year is June 30, with an average of 7.0 kWh. At -4.4 °C | 24.1 °F on average, January is the coldest month of the year. In Detroit, there are 4 comfortable months with high temperatures in the range of 70-85°. 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. 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. Based on this categorization, the most common form of precipitation in Detroit changes throughout the year. The stations contributing to this reconstruction are: Detroit City Airport (43%, 9 kilometers, north); Windsor Airport (40%, 10 kilometers, southeast); Detroit Metropolitan Wayne County Airport (9%, 26 kilometers, southwest); and Grosse Ile Municipal Airport (8%, 28 kilometers, south). 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