Photo: RockyRoller · CC BY-SA 4.0Midwinter lows in Stonewall sink below those of 95% of Canadian towns
Midsummer highs settle at about 25.8°C. Counting rain and snow together, it is drier than 72% of Canadian towns. Rain or snow is most frequent in July and least in February. From June to August, highs of 23–26°C make it easy to spend the day outdoors.
ECCC publishes no normals for Stonewall itself; the figures are those of Winnipeg Richardson (Airport), 25 km south.
A year in Stonewall at a glance
Each month’s typical high and low, in °C.
What stands out about Stonewall’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Stonewall feels like
Each season’s and each month’s usual high and low, 1991–2020.
193 frost days and 110 days above 20°C a year
Frost comes from September to May; in January almost every night freezes. Some 52 nights a year drop under −20°C.
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
About 80 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 126 cm in a normal 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 Stonewall
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. Over a year, a home here needs more heating than 89% of Canadian towns.
Living with Stonewall’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Tender plants are usually safe from around 23 May until frost returns near 22 September: about 122 days.
For long days outdoors, Jun, Jul and Aug bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Roughly 86 days a year feel colder than −20 in the wind.
The air feels heavier than 30 on the humidex for about 37 days a year.
A typical year is calm by definition; Stonewall’s hazards page covers the exceptions.
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 | 25 km south |
| 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, 59 km |
How Stonewall compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Manitoba.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Stonewall’s would only repeat its figures. Distances here run 28–48 km: that is how far the nearest places with figures are from Stonewall.
Stonewall 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 |
A December here can run warm or cold, its average moving by about 4.1°C; the steadiest month is July
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −37.4°C in 2003 to 23.7°C in 2012.
Where Stonewall’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Winnipeg Richardson (Airport), its nearest location with complete temperatures.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- 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 Stonewall’s climate
How warm does Stonewall get in summer?
Highs reach 25.8°C on an average July day; no month is warmer.
How cold does Stonewall get in winter?
January nights average −21.2°C, the coldest of the year.
How much rain and snow does Stonewall get?
Precipitation totals 519 mm a year, with July the wettest month (77 mm) and February the driest (13 mm).
Are these figures for Stonewall itself?
They come from Winnipeg Richardson (Airport), which ECCC uses as the nearest normals location for Stonewall.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Stonewall →
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).