Nights turn raw in Rivergrove each January, colder than in 95% of Canadian towns
Sunny July days climb to about 25.8°C. Temperatures cover 47°C across the year, low to high. Rain and snow together come to less here than on 72% of Canadian towns. An umbrella or a shovel earns its place on about 80 days a year with 1 mm or more.
1991–2020 normals from ECCC’s Winnipeg Richardson (Airport) location, 11 km west.
A year in Rivergrove at a glance
Each month’s typical high and low, in °C.
What stands out about Rivergrove’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Rivergrove feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 193 frosts and 110 warm days a year
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
About 519 mm of rain and snow a year
July is the wettest month and February the driest.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 126 cm of snow a year
The snow season runs October to May; December brings the most, about 27 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Rivergrove
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. By this count, homes here need more heating than 89% of Canadian towns.
Living with Rivergrove’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Frost usually lets go around 23 May and returns near 22 September, about 122 days apart.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.
Parks & trails →Bitter wind chill, under −20, comes on about 86 days a year.
About 37 days a year feel above 30 on the humidex.
Averages smooth over blizzards, ice storms, floods and heat waves; Rivergrove’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
ECCC builds the Winnipeg Richardson (Airport) normals from 4 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 11 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, 75 km |
How Rivergrove 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
Nearby places read from a different ECCC location (places on Rivergrove’s own would show the same figures). Rivergrove has few close neighbours with figures, so the list reaches 34–49 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Rivergrove Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 34 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Teulon 49 km · Gimli | 25.3°C 0.5°C cooler | −22.7°C 1.5°C colder | 517 mm |
| Cartier 49 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
Rivergrove weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and 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 |
Two years in three, December’s average lands within 4.1°C of normal, against the steadier July
Bars run from each month’s record low to its record high since 1991. March spans the most, from −37.4°C (2003) to 23.7°C (2012).
Where Rivergrove’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Winnipeg Richardson (Airport) (the closest location with all twelve months of 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Rivergrove’s climate
How warm does Rivergrove get in summer?
Summer peaks in July: a typical afternoon reaches 25.8°C.
How cold does Rivergrove get in winter?
A typical January night falls to −21.2°C, the year’s low point.
How much rain and snow does Rivergrove get?
Around 519 mm a year in all, from 77 mm in July down to 13 mm in February.
Are these figures for Rivergrove itself?
They are the normals for Winnipeg Richardson (Airport), measured just outside Rivergrove itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Rivergrove →
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).