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Climate and Average Weather Year Round in Assiniboia Canada

In Assiniboia, the summers are warm; the winters are freezing, dry, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 4°F to 81°F and is rarely below -21°F or above 92°F.

Based on the tourism score, the best time of year to visit Assiniboia for warm-weather activities is from early July to mid August.

Climate in Assiniboia

freezingcoldcoolwarmcoolcoldfreezingJanFebMarAprMayJunJulAugSepOctNovDecNowNow73%73%36%36%clearovercastprecipitation: 2.3 inprecipitation: 2.3 in0.1 in0.1 inmuggy: 3%muggy: 3%0%0%drydrytourism score: 6.4tourism score: 6.40.00.0
Assiniboia weather by month. Click on each chart for more information.

Average Temperature in Assiniboia

The warm season lasts for 3.6 months, from May 28 to September 16, with an average daily high temperature above 69°F. The hottest day of the year is August 6, with an average high of 81°F and low of 54°F.

The cold season lasts for 3.5 months, from November 22 to March 6, with an average daily high temperature below 32°F. The coldest day of the year is January 5, with an average low of 4°F and high of 20°F.

Average High and Low Temperature in Assiniboia

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 in Assiniboia

Average Hourly Temperature in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfrigidfrigidfrigidfreezingfreezingcoldcoldcoolcomfortablewarmvery coldvery coldfrigid
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Lerrnakert, Armenia (5,949 miles away); Cholpon-Ata, Kyrgyzstan (6,065 miles); and Laojunmiao, China (6,096 miles) are the far-away foreign places with temperatures most similar to Assiniboia (view comparison).

Compare Assiniboia to another city:

Clouds

In Assiniboia, 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 Assiniboia begins around June 11 and lasts for 4.0 months, ending around October 12. On July 29, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 73% of the time, and overcast or mostly cloudy 27% of the time.

The cloudier part of the year begins around October 12 and lasts for 8.0 months, ending around June 11. On February 20, the cloudiest day of the year, the sky is overcast or mostly cloudy 64% of the time, and clear, mostly clear, or partly cloudy 36% of the time.

Cloud Cover Categories in Assiniboia

Cloud Cover Categories in AssiniboiaclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 2973%Jul 2973%Feb 2036%Feb 2036%Jun 1154%Jun 1154%Oct 1255%Oct 1255%NowNowclearmostly clearpartly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

Precipitation

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

The wetter season lasts 3.6 months, from May 6 to August 25, with a greater than 17% chance of a given day being a wet day. The chance of a wet day peaks at 31% on June 22.

The drier season lasts 8.4 months, from August 25 to May 6. The smallest chance of a wet day is 3% on February 14.

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 Assiniboia changes throughout the year.

Rain alone is the most common for 7.4 months, from March 28 to November 7. The highest chance of a day with rain alone is 31% on June 22.

Snow alone is the most common for 4.6 months, from November 7 to March 28. The highest chance of a day with snow alone is 7% on January 10.

Daily Chance of Precipitation in Assiniboia

Daily Chance of Precipitation in AssiniboiasnowrainsnowJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 2231%Jun 2231%Feb 143%Feb 143%Mar 288%Mar 288%Nov 77%Nov 77%Jan 17%Jan 17%May 617%May 617%Aug 2517%Aug 2517%NowNowrainsnow
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. Assiniboia experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.1 months, from April 14 to October 16, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 14, with an average total accumulation of 2.3 inches.

The rainless period of the year lasts for 5.9 months, from October 16 to April 14. The least rain falls around December 30, with an average total accumulation of 0.0 inches.

Average Monthly Rainfall in Assiniboia

Average Monthly Rainfall in AssiniboiarainJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 inJun 142.3 inJun 142.3 inDec 300.0 inDec 300.0 inApr 140.5 inApr 140.5 inOct 160.5 inOct 160.5 in
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

The sliding 31-day liquid-equivalent quantity of snowfall in Assiniboia does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.

Average Liquid-Equivalent Monthly Snowfall in Assiniboia

Average Liquid-Equivalent Monthly Snowfall in AssiniboiasnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 inJan 30.2 inJan 30.2 inJul 290.0 inJul 290.0 inMar 160.2 inMar 160.2 inOct 220.1 inOct 220.1 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 Assiniboia varies extremely over the course of the year. In 2021, the shortest day is December 21, with 8 hours, 8 minutes of daylight; the longest day is June 20, with 16 hours, 19 minutes of daylight.

Hours of Daylight and Twilight in Assiniboia

Hours of Daylight and Twilight in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 2012 hr, 8 minMar 2016 hr, 19 minJun 2016 hr, 19 minJun 2012 hr, 10 minSep 2212 hr, 10 minSep 228 hr, 8 minDec 218 hr, 8 minDec 21nightnightdayNowNow
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 4:55 AM on June 16, and the latest sunrise is 4 hours, 5 minutes later at 9:00 AM on December 31. The earliest sunset is at 5:03 PM on December 11, and the latest sunset is 4 hours, 12 minutes later at 9:15 PM on June 25.

Daylight saving time (DST) is not observed in Assiniboia during 2021.

Sunrise & Sunset with Twilight in Assiniboia

Sunrise & Sunset with Twilight in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 164:55 AMJun 164:55 AM9:15 PMJun 259:15 PMJun 25Dec 115:03 PMDec 115:03 PM9:00 AMDec 319:00 AMDec 31daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunsetNowNow
The solar day over the course of the year 2021. 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.

Moon

The figure below presents a compact representation of key lunar data for 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Assiniboia

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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.

The perceived humidity level in Assiniboia, 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, staying within 1% of 1% throughout.

Humidity Comfort Levels in Assiniboia

Humidity Comfort Levels in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 120%Nov 120%Jul 173%Jul 173%NowNowdrydryhumidhumid
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Assiniboia experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 8.5 months, from September 22 to June 6, with average wind speeds of more than 11.1 miles per hour. The windiest day of the year is December 13, with an average hourly wind speed of 12.6 miles per hour.

The calmer time of year lasts for 3.5 months, from June 6 to September 22. The calmest day of the year is July 30, with an average hourly wind speed of 9.7 miles per hour.

Average Wind Speed in Assiniboia

Average Wind Speed in AssiniboiawindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mph20 mph20 mphDec 1312.6 mphDec 1312.6 mphJul 309.7 mphJul 309.7 mphSep 2211.1 mphSep 2211.1 mphJun 611.1 mphJun 611.1 mphNowNow
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 Assiniboia varies throughout the year.

The wind is most often from the north for 2.3 weeks, from April 22 to May 8, with a peak percentage of 28% on April 26. The wind is most often from the west for 11 months, from May 8 to April 22, with a peak percentage of 49% on January 1.

Wind Direction in Assiniboia

Wind Direction in AssiniboiaWNWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Best Time of Year to Visit

To characterize how pleasant the weather is in Assiniboia throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Assiniboia for general outdoor tourist activities is from early July to mid August, with a peak score in the last week of July.

Tourism Score in Assiniboia

Tourism Score in Assiniboiabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.46.40.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Assiniboia for hot-weather activities is from mid July to mid August, with a peak score in the last week of July.

Beach/Pool Score in Assiniboia

Beach/Pool Score in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec002244668810103.23.20.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature beach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

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. 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.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

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.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Growing Season

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 growing season in Assiniboia typically lasts for 4.2 months (129 days), from around May 16 to around September 22, rarely starting before April 29 or after June 2, and rarely ending before September 5 or after October 8.

Time Spent in Various Temperature Bands and the Growing Season in Assiniboia

Time Spent in Various Temperature Bands and the Growing Season in Assiniboiagrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 1650%May 1650%Sep 2250%Sep 2250%Jun 290%Jun 290%Sep 590%Sep 590%Apr 2910%Apr 2910%Oct 810%Oct 810%0%Feb 140%Feb 14Jul 15100%Jul 15100%NowNowfrigidfreezingvery coldcoldcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms in Assiniboia should appear around May 3, only rarely appearing before April 25 or after May 19.

Growing Degree Days in Assiniboia

Growing Degree Days in AssiniboiaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°FMay 390°FMay 390°FJul 18900°FJul 18900°FSep 271,800°FSep 271,800°FDec 311,888°FDec 311,888°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

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 3.5 months, from May 2 to August 19, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest day of the year is July 10, with an average of 7.1 kWh.

The darker period of the year lasts for 3.5 months, from October 27 to February 13, with an average daily incident shortwave energy per square meter below 2.3 kWh. The darkest day of the year is December 22, with an average of 1.1 kWh.

Average Daily Incident Shortwave Solar Energy in Assiniboia

Average Daily Incident Shortwave Solar Energy in AssiniboiabrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 107.1 kWhJul 107.1 kWhDec 221.1 kWhDec 221.1 kWhMay 25.9 kWhMay 25.9 kWhAug 195.9 kWhAug 195.9 kWhOct 272.3 kWhOct 272.3 kWhFeb 132.3 kWhFeb 132.3 kWhNowNow
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 Assiniboia are 49.633 deg latitude, -105.984 deg longitude, and 2,431 ft elevation.

The topography within 2 miles of Assiniboia contains only modest variations in elevation, with a maximum elevation change of 154 feet and an average elevation above sea level of 2,424 feet. Within 10 miles also contains only modest variations in elevation (472 feet). Within 50 miles contains only modest variations in elevation (1,483 feet).

The area within 2 miles of Assiniboia is covered by cropland (92%), within 10 miles by cropland (94%), and within 50 miles by cropland (81%) and grassland (15%).

Data Sources

This report illustrates the typical weather in Assiniboia, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Assiniboia.

For each station, the records are corrected for the elevation difference between that station and Assiniboia 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 Assiniboia is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Assiniboia and a given station.

The stations contributing to this reconstruction are: Assiniboia Airport (CWJI, 91%, 12 kilometers, north) and Rockglen, Sask. (CWKO, 9%, 52 kilometers, south).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , 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 airports 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.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. 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.

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.