Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainRiverdale has some of the coldest winter nights among Canadian towns
In July the day’s top temperature is typically 24.9°C. By precipitation alone, it ranks drier than 76% of Canadian towns. The year is lopsided: June gets about 7.0 times what February does. Ice scrapers and block heaters earn their keep on roughly 205 days a year at 0°C or below.
The nearest ECCC normals location to Riverdale is Brandon, 25 km south-east, and every figure on this page is its.
A year in Riverdale at a glance
Each month’s typical high and low, in °C.
What stands out about Riverdale’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Riverdale feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 205 frosts and 103 warm days a year
Frost comes from September to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 53 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
489 mm of precipitation in a typical year
About 73 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
128 cm of snow in a typical year
Snow falls from October to May, most of all in December (about 29 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Riverdale
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. Homes here need more heating than 97% of Canadian towns.
Living with Riverdale’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The frost-free stretch runs from about 18 May to about 18 September, some 122 days in a normal year.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →On some 87 days a year the wind chill drops past −20; mitts and a scarf earn their place.
A humidex above 30 marks about 31 days in a normal year.
The normals describe a typical year, not its worst days; the hazards page covers Riverdale’s.
Flood & hazards →ECCC’s normals location: Brandon
ECCC builds the Brandon normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 25 km south-east |
| Station altitude | 409 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −43.2°C |
| Hottest reading, 1991–2020 | 37.9°C |
| Average wind | 15.2 km/h on average, most often from the west |
| Next-nearest location | Elkhorn, 70 km |
How Riverdale 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
Places around Riverdale whose figures come from another normals location. The nearest places to Riverdale with figures are 31–56 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Riverdale Brandon | 24.9°C | −21.9°C | 489 mm |
| Hamiota 31 km · Elkhorn | 25.4°C 0.5°C warmer | −19.6°C 2.3°C milder | 517 mm |
| Harrison Park 56 km · Dauphin | 25.1°C about the same | −20.9°C 1.0°C milder | 462 mm |
Riverdale 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 | −21.9°C | −16.7°C | 18 mm | 25 cm |
| February | −8.5°C | −19.7°C | −14.1°C | 14 mm | 17 cm |
| March | −1.6°C | −12.5°C | −7.0°C | 24 mm | 19 cm |
| April | 9.6°C | −3.3°C | 3.1°C | 27 mm | 8 cm |
| May | 17.4°C | 3.2°C | 10.3°C | 65 mm | 4 cm |
| June | 22.6°C | 9.7°C | 16.2°C | 98 mm | 0 cm |
| July | 24.9°C | 11.8°C | 18.4°C | 72 mm | 0 cm |
| August | 25.1°C | 10.2°C | 17.7°C | 56 mm | 0 cm |
| September | 19.5°C | 4.9°C | 12.2°C | 43 mm | under 1 cm |
| October | 10.1°C | −2.2°C | 4.0°C | 32 mm | 6 cm |
| November | −0.3°C | −10.3°C | −5.3°C | 20 mm | 21 cm |
| December | −8.6°C | −18.5°C | −13.6°C | 22 mm | 29 cm |
| Year | 8.2°C | −4.0°C | 2.1°C | 489 mm | 128 cm |
February strays furthest from its normal year to year, by 4.2°C; July the least
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −38.4°C in 2003 to 22.6°C in 2012.
Where Riverdale’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Brandon, the closest ECCC location with twelve months of temperature normals.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Riverdale’s climate
How warm does Riverdale get in summer?
Peak warmth comes in August, at about 25.1°C by mid-afternoon.
How cold does Riverdale get in winter?
Midwinter means January, when a typical night reaches −21.9°C.
How much rain and snow does Riverdale get?
The year adds up to 489 mm. June is the peak month (98 mm) and February the low one (14 mm).
How long does snow stay on the ground?
About 138 days a year count as snow-covered, with 1 cm or more.
Are these figures for Riverdale itself?
No: Riverdale has no normals location, so the figures come from Brandon, the nearest with 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Riverdale →
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).