Photo: Words in the Wind · CC BY-SA 4.0Souris sits near the bottom of Canadian towns for winter warmth
On a normal July day the thermometer tops out near 24.9°C. Precipitation peaks in June and eases off in February. Counting rain and snow together, it is drier than 76% of Canadian towns. Long walks are most pleasant from June to August, when afternoons reach 23–25°C.
ECCC publishes no normals for Souris itself; the figures are those of Brandon, 39 km north-east.
A year in Souris at a glance
Each month’s typical high and low, in °C.
What stands out about Souris’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Souris feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 205 frosts and 103 warm days a year
The frost season runs September to May, and January freezes nearly every night. Some 53 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
Rain and melted snow: about 489 mm a year
Some 73 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 128 cm in a normal 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 Souris
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 Souris’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Wait until about 18 May to plant out; frost tends to come back around 18 September, about 122 days later.
Plan time outside for Jun, Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →The wind chill passes −20 on about 87 days in a normal year.
On some 31 days a year the humidex climbs past 30.
Storms, floods and heat waves sit outside these normals; Souris’s hazards page covers them.
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 | 39 km north-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 | Melita, 65 km |
How Souris 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 Souris’s would only repeat its figures. The nearest places to Souris with figures are 25–46 km away.
Souris 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 | −21.9°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 |
The most changeable month: February, give or take 4.2°C; the steadiest, July
March has the widest record range, −38.4°C in 2003 to 22.6°C in 2012; the tick on each bar is the month’s normal.
Where Souris’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Brandon, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Souris’s climate
How warm does Souris get in summer?
On a normal day in August the thermometer climbs to 25.1°C, the warmest of the year.
How cold does Souris get in winter?
At its coldest, in January, the normal low is −21.9°C.
How much rain and snow does Souris get?
Rain and snow, with snow counted as water, total 489 mm a year; June leads with 98 mm and February trails with 14 mm.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 138 days a year.
Are these figures for Souris itself?
Not as such: Brandon is the nearest normals location, and Souris has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Souris →
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).