Average Weather at Longue Point De Mingan, Que. Canada

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5. Longue Point De Mingan, Que.

At Longue Point De Mingan, Que., the summers are cool; the winters are frigid, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from -1°F to 66°F and is rarely below -19°F or above 73°F.

The warm season lasts for 3.4 months, from June 5 to September 18, with an average daily high temperature above 56°F. The hottest day of the year is July 28, with an average high of 66°F and low of 51°F.

The cold season lasts for 3.0 months, from December 7 to March 8, with an average daily high temperature below 27°F. The coldest day of the year is January 30, with an average low of -1°F and high of 18°F.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. 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 Longue Point De Mingan, Que., the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year at Longue Point De Mingan, Que. begins around June 16 and lasts for 4.2 months, ending around October 23. On August 24, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 56% of the time, and overcast or mostly cloudy 44% of the time.

The cloudier part of the year begins around October 23 and lasts for 7.8 months, ending around June 16. On January 19, the cloudiest day of the year, the sky is overcast or mostly cloudy 63% of the time, and clear, mostly clear, or partly cloudy 37% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Longue Point De Mingan, Que. varies throughout the year.

The wetter season lasts 6.6 months, from May 2 to November 19, with a greater than 29% chance of a given day being a wet day. The chance of a wet day peaks at 36% on July 9.

The drier season lasts 5.5 months, from November 19 to May 2. The smallest chance of a wet day is 21% on January 30.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation at Longue Point De Mingan, Que. changes throughout the year.

Rain alone is the most common for 7.9 months, from April 7 to December 2. The highest chance of a day with rain alone is 36% on July 9.

Snow alone is the most common for 3.6 months, from December 2 to March 23. The highest chance of a day with snow alone is 18% on January 9.

Mixed snow and rain is the most common for 2.1 weeks, from March 23 to April 7. The highest chance of a day with mixed snow and rain is 10% on April 7.

Rainfall

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. Longue Point De Mingan, Que. experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 11 months, from February 17 to January 17, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around October 15, with an average total accumulation of 3.7 inches.

The rainless period of the year lasts for 1.0 months, from January 17 to February 17. The least rain falls around February 7, with an average total accumulation of 0.4 inches.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Longue Point De Mingan, Que. experiences significant seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.8 months, from October 19 to May 13, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 20, with an average total liquid-equivalent accumulation of 1.5 inches.

The snowless period of the year lasts for 5.2 months, from May 13 to October 19. The least snow falls around July 24, with an average total liquid-equivalent accumulation of 0.0 inches.

The length of the day at Longue Point De Mingan, Que. varies extremely over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 2 minutes of daylight; the longest day is June 21, with 16 hours, 25 minutes of daylight.

The earliest sunrise is at 4:05 AM on June 16, and the latest sunrise is 3 hours, 11 minutes later at 7:16 AM on December 31. The earliest sunset is at 3:13 PM on December 12, and the latest sunset is 5 hours, 18 minutes later at 8:31 PM on June 25.

Daylight saving time (DST) is observed at Longue Point De Mingan, Que. during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

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 perceived humidity level at Longue Point De Mingan, Que., as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.

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 at Longue Point De Mingan, Que. experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 6.5 months, from October 4 to April 20, with average wind speeds of more than 4.7 miles per hour. The windiest day of the year is December 19, with an average hourly wind speed of 5.7 miles per hour.

The calmer time of year lasts for 5.5 months, from April 20 to October 4. The calmest day of the year is August 1, with an average hourly wind speed of 3.6 miles per hour.

The predominant average hourly wind direction at Longue Point De Mingan, Que. varies throughout the year.

The wind is most often from the east for 4.1 weeks, from April 28 to May 27, with a peak percentage of 32% on May 7. The wind is most often from the west for 6.1 months, from May 27 to November 30, with a peak percentage of 45% on September 10. The wind is most often from the north for 4.9 months, from November 30 to April 28, with a peak percentage of 42% on January 1.

Longue Point De Mingan, Que. is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.4 months, from July 2 to September 15, with an average temperature above 52°F. The day of the year with the warmest water is August 9, with an average temperature of 57°F.

The time of year with cooler water lasts for 5.4 months, from November 27 to May 9, with an average temperature below 36°F. The day of the year with the coolest water is March 12, with an average temperature of 31°F.

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 experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.6 months, from May 2 to August 22, with an average daily incident shortwave energy per square meter above 5.0 kWh. The brightest day of the year is June 18, with an average of 6.2 kWh.

The darker period of the year lasts for 3.6 months, from October 24 to February 12, with an average daily incident shortwave energy per square meter below 2.0 kWh. The darkest day of the year is December 17, with an average of 0.9 kWh.

For the purposes of this report, the geographical coordinates of Longue Point De Mingan, Que. are 50.267 deg latitude, -64.233 deg longitude, and 0 ft elevation.

The topography within 2 miles of Longue Point De Mingan, Que. contains only modest variations in elevation, with a maximum elevation change of 177 feet and an average elevation above sea level of 33 feet. Within 10 miles contains only modest variations in elevation (741 feet). Within 50 miles contains significant variations in elevation (2,884 feet).

The area within 2 miles of Longue Point De Mingan, Que. is covered by water (49%), trees (35%), and herbaceous vegetation (12%), within 10 miles by water (57%) and trees (21%), and within 50 miles by trees (45%) and water (44%).

This report illustrates the typical weather at Longue Point De Mingan, Que., based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Longue Point De Mingan, Que. has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Ile Aux Perroquets, Que.; Port-Menier Airport; Port Menier, Que.; Havre Saint-Pierre Airport; Cap Madeleine Meteorological Aeronautical Presentation System; Lac Eon, Que; Sept-Iles; and Sept-Îles Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.