Nights turn raw in Riverview each January, colder than in 95% of Canadian towns
On a normal July day the thermometer tops out near 25.8°C. Rain and snow together come to less here than on 72% of Canadian towns. The year is lopsided: July gets about 5.8 times what February does. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Figures: ECCC’s 1991–2020 normals for Winnipeg Richardson (Airport) (9.4 km north-west).
A year in Riverview at a glance
Each month’s typical high and low, in °C.
What stands out about Riverview’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Riverview feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 193 frosts and 110 warm days a year
The frost season runs September to May, and January freezes nearly every night. On about 52 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 519 mm a year
About 80 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
126 cm of snow in a typical year
Expect snow from October to May, with about 27 cm in December, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Riverview
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C. In heating terms, homes need more heating than 89% of Canadian towns.
Living with Riverview’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Count on about 122 frost-free days: the last frost averages 23 May, the first 22 September.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.
Parks & trails →Roughly 86 days a year feel colder than −20 in the wind.
About 37 days a year feel above 30 on the humidex.
Storms, floods and heat waves sit outside these normals; Riverview’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
Winnipeg Richardson (Airport) is a composite: ECCC joins 4 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 9.4 km north-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 | Portage Southport, 82 km |
How Riverview compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Manitoba.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Riverview’s would only repeat its figures. Riverview has few close neighbours with figures, so the list reaches 42–49 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Riverview Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 42 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Cartier 46 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
| St-Pierre-Jolys 48 km · Emerson | 26.0°C about the same | −20.4°C 0.8°C milder | 543 mm |
Riverview weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| 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 |
From −37.4°C to 23.7°C: March’s coldest and warmest days since 1991
The month to count on least is December: one year in three its average strays more than 4.1°C from −12.7°C. July moves least, typically by 1.4°C.
Where Riverview’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Winnipeg Richardson (Airport): the nearest of its locations with every month’s temperatures.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Riverview’s climate
How warm does Riverview get in summer?
The year’s warmest days come in July, with highs averaging 25.8°C.
How cold does Riverview get in winter?
At its coldest, in January, the normal low is −21.2°C.
How much rain and snow does Riverview get?
Around 519 mm a year in all, from 77 mm in July down to 13 mm in February.
Are these figures for Riverview itself?
Almost: ECCC’s Winnipeg Richardson (Airport) location, which gives these figures, lies a short way outside Riverview.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Riverview →
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).