Nights turn raw in Robertson each January, colder than in 95% of Canadian towns
The warmest part of a July day comes in at 25.8°C on average. Counting rain and snow together, it is drier than 72% of Canadian towns. The seasons are far apart: from a winter night to a summer afternoon the average spans 47°C. Windshields need scraping on about 193 mornings a year, the days the air reaches 0°C or below.
Environment and Climate Change Canada’s 1991–2020 normals at its Winnipeg Richardson (Airport) station, 5.6 km west.
A year in Robertson at a glance
Each month’s typical high and low, in °C.
What stands out about Robertson’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Robertson feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 193 days, 20°C on 110
From September to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 52 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
519 mm of precipitation in a typical year
July brings the most rain and snow; February, the least. On about 80 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 126 cm in a normal year
Snow falls from October to May, most of all in December (about 27 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Robertson
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months. Homes here need more heating than 89% of Canadian towns.
Living with Robertson’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Seedlings can go out once the average last frost, around 23 May, has passed; autumn’s first, near 22 September, ends a season of about 122 days.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul and Aug.
Parks & trails →On some 86 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Summer brings about 37 days when the humidex passes 30.
The normals describe a typical year, not its worst days; the hazards page covers Robertson’s.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
Behind the 1991–2020 normals for Winnipeg Richardson (Airport) are 4 stations, which ECCC combines into one record.
| Distance from the town | 5.6 km west |
| Station altitude | 239 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −41.8°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 17.5 km/h on average, most often from the south |
| Next-nearest location | Gimli, 78 km |
How Robertson compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Manitoba.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Robertson’s would only repeat its figures. No closer places have figures: these lie 39–48 km from Robertson.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Robertson Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 39 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Cartier 44 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
Robertson weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −11.4°C | −21.2°C | −16.3°C | 18 mm | 25 cm |
| February | −8.8°C | −19.3°C | −14.1°C | 13 mm | 12 cm |
| March | −0.9°C | −11.2°C | −6.1°C | 26 mm | 19 cm |
| April | 10.0°C | −2.5°C | 3.8°C | 33 mm | 14 cm |
| May | 18.1°C | 4.2°C | 11.1°C | 70 mm | 4 cm |
| June | 23.3°C | 10.9°C | 17.1°C | 74 mm | 0 cm |
| July | 25.8°C | 13.2°C | 19.5°C | 77 mm | 0 cm |
| August | 25.4°C | 11.9°C | 18.7°C | 74 mm | 0 cm |
| September | 19.6°C | 6.9°C | 13.3°C | 53 mm | 0 cm |
| October | 10.4°C | −0.2°C | 5.1°C | 38 mm | 4 cm |
| November | 0.1°C | −8.8°C | −4.4°C | 25 mm | 21 cm |
| December | −8.2°C | −17.3°C | −12.7°C | 19 mm | 27 cm |
| Year | 8.6°C | −2.8°C | 2.9°C | 519 mm | 126 cm |
March: −37.4°C at its coldest, 23.7°C at its warmest
Year to year, December varies most (a standard deviation of 4.1°C around −12.7°C) and July least (1.4°C).
Where Robertson’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Winnipeg Richardson (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Robertson’s climate
How warm does Robertson get in summer?
July is the warmest month, with average highs of 25.8°C.
How cold does Robertson get in winter?
The year’s coldest nights belong to January, at about −21.2°C.
How much rain and snow does Robertson get?
The yearly total is about 519 mm. July gets 77 mm, the most of any month; February gets 13 mm, the least.
Are these figures for Robertson itself?
Close to it: they are ECCC’s 1991–2020 normals for Winnipeg Richardson (Airport), just outside Robertson’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Robertson →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).