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Average Weather in Winnipeg Canada

In Winnipeg, the summers are long and warm; 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 -2°F to 80°F and is rarely below -21°F or above 89°F.

The warm season lasts for 4.0 months, from May 17 to September 18, with an average daily high temperature above 67°F. The hottest day of the year is July 24, with an average high of 80°F and low of 62°F.

The cold season lasts for 3.3 months, from November 27 to March 5, with an average daily high temperature below 26°F. The coldest day of the year is January 15, with an average low of -2°F and high of 13°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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.

Average Hourly Temperature

Average Hourly Temperature in Winnipeg12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecfrigidfreezingchillycoldcoolcomfortablewarm
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Clouds

In Winnipeg, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Winnipeg begins around May 23 and lasts for 4.6 months, ending around October 12. On July 30, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 72% of the time, and overcast or mostly cloudy 28% of the time.

The cloudier part of the year begins around October 12 and lasts for 7.4 months, ending around May 23. On February 13, the cloudiest day of the year, the sky is overcast or mostly cloudy 66% of the time, and clear, mostly clear, or partly cloudy 34% of the time.

Cloud Cover

Cloud Cover in Winnipegclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecFeb 1366%Feb 1366%Jul 3028%Jul 3028%May 2347%May 2347%Oct 1248%Oct 1248%overcastmostly cloudymostly clearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Winnipeg varies significantly throughout the year.

The wetter season lasts 3.9 months, from May 4 to August 31, with a greater than 21% chance of a given day being a wet day. The chance of a wet day peaks at 37% on June 21.

The drier season lasts 8.1 months, from August 31 to May 4. The smallest chance of a wet day is 6% on February 2.

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 in Winnipeg changes throughout the year.

Rain alone is the most common for 8.2 months, from March 12 to November 16. The highest chance of a day with rain alone is 37% on June 21.

Snow alone is the most common for 3.8 months, from November 16 to March 12. The highest chance of a day with snow alone is 9% on December 20.

Daily Chance of 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).

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. Winnipeg experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.7 months, from March 20 to November 10, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 21, with an average total accumulation of 3.1 inches.

The rainless period of the year lasts for 4.3 months, from November 10 to March 20. The least rain falls around January 9, with and average total accumulation of 0.0 inches.

Average Monthly Rainfall

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. The thin dotted line is the corresponding average liquid-equivalent snowfall.

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. Winnipeg experiences some seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.3 months, from October 19 to April 27, 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 1, with an average total liquid-equivalent accumulation of 0.4 inches.

The snowless period of the year lasts for 5.7 months, from April 27 to October 19. The least snow falls around July 28, with an average total liquid-equivalent accumulation of 0.0 inches.

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall in Winnipegsnowsnow0.0 in0.5 in1.0 in1.5 in2.0 in2.5 in3.0 inJanFebMarAprMayJunJulAugSepOctNovDecJan 10.4 inJan 10.4 inJul 280.0 inJul 280.0 inMar 70.2 inMar 70.2 inOct 190.1 inOct 190.1 inApr 270.1 inApr 270.1 in
The average liquid-equivalent snowfall (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. The thin dotted line is the corresponding average rainfall.

Sun

The length of the day in Winnipeg varies extremely over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 5 minutes of daylight; the longest day is June 21, with 16 hours, 21 minutes of daylight.

Hours of Daylight and Twilight

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 5:19 AM on June 16, and the latest sunrise is 3 hours, 7 minutes later at 8:26 AM on December 31. The earliest sunset is at 4:27 PM on December 11, and the latest sunset is 5 hours, 14 minutes later at 9:41 PM on June 25.

Daylight saving time (DST) is observed in Winnipeg during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in Winnipeg2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecJun 165:19 AMJun 165:19 AM9:41 PMJun 259:41 PMJun 25Dec 114:27 PMDec 114:27 PM8:26 AMDec 318:26 AMDec 31Mar 12DSTMar 12DSTDSTNov 5DSTNov 5daynightnightnightnight
The solar day over the course of the year 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

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.

Winnipeg experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.7 months, from June 15 to September 7, during which time the comfort level is muggy, oppressive, or miserable at least 3% of the time. The muggiest day of the year is July 25, with muggy conditions 10% of the time.

The least muggy day of the year is November 19, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in Winnipegmuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecNov 190%Nov 190%Jul 2510%Jul 2510%Jun 153%Jun 153%Sep 73%Sep 73%comfortablecomfortabledrydrymuggymuggy
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

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 in Winnipeg experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 8.7 months, from September 11 to June 1, with average wind speeds of more than 5.6 miles per hour. The windiest day of the year is April 1, with an average hourly wind speed of 6.4 miles per hour.

The calmer time of year lasts for 3.3 months, from June 1 to September 11. The calmest day of the year is July 27, with an average hourly wind speed of 4.9 miles per hour.

Average Wind Speed

Average Wind Speed in Winnipegwindywindy0 mph1 mph2 mph3 mph4 mph5 mph6 mph7 mph8 mph9 mph10 mphJanFebMarAprMayJunJulAugSepOctNovDecApr 16.4 mphApr 16.4 mphJul 274.9 mphJul 274.9 mphSep 115.6 mphSep 115.6 mphJun 15.6 mphJun 15.6 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Winnipeg varies throughout the year.

The wind is most often from the south for 1.9 weeks, from June 13 to June 26; for 1.7 months, from July 25 to September 15; for 4.0 days, from October 18 to October 22; and for 3.1 weeks, from October 24 to November 15, with a peak percentage of 35% on August 19. The wind is most often from the north for 4.1 weeks, from June 26 to July 25; for 1.1 months, from September 15 to October 18; for 2.0 days, from October 22 to October 24; and for 6.9 months, from November 15 to June 13, with a peak percentage of 32% on October 6.

Wind Direction

Wind Direction in WinnipegNSNSNSN0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Solar Energy

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 3.7 months, from April 30 to August 20, with an average daily incident shortwave energy per square meter above 5.6 kWh. The brightest day of the year is July 14, with an average of 6.8 kWh.

The darker period of the year lasts for 3.6 months, from October 25 to February 13, with an average daily incident shortwave energy per square meter below 2.2 kWh. The darkest day of the year is December 19, with an average of 1.0 kWh.

Average Daily Incident Shortwave Solar Energy

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Winnipeg are 49.884 deg latitude, -97.147 deg longitude, and 748 ft elevation.

The topography within 2 miles of Winnipeg is essentially flat, with a maximum elevation change of 39 feet and an average elevation above sea level of 749 feet. Within 10 miles is also essentially flat (85 feet). Within 50 miles is essentially flat (397 feet).

The area within 2 miles of Winnipeg is covered by artificial surfaces (100%), within 10 miles by cropland (61%) and artificial surfaces (28%), and within 50 miles by cropland (63%) and trees (21%).

Data Sources

This report illustrates the typical weather in Winnipeg, 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

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Winnipeg.

For each station, the records are corrected for the elevation difference between that station and Winnipeg according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Winnipeg is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Winnipeg and a given station.

The stations contributing to this reconstruction are: Winnipeg The Forks, Man. (76%, 1.0 kilometers, east); Winnipeg Man (20%, 1.0 kilometers, east); and Winnipeg J. A. Richardson International Airport (4.1%, 7 kilometers, northwest).

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.