Split Lake 171 sits near the bottom of Canadian towns for winter warmth
Sunny July days climb to about 22.1°C. Of all months, August brings the most precipitation and April the least. Its July afternoons stay fresher than in 97% of Canadian towns. Heating does most of its work from September to May, in months below 10°C on average.
Far-off figures: ECCC’s closest normals for Split Lake 171 come from Gillam, 89 km east, so take them as the area’s climate.
A year in Split Lake 171 at a glance
Each month’s typical high and low, in °C.
What stands out about Split Lake 171’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Split Lake 171 feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 232 days, 20°C on 57
The frost season runs September to June, and January freezes nearly every night. On about 102 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
498 mm of precipitation in a typical year
On about 91 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 203 cm in a normal year
Expect snow from September to June, with about 41 cm in November, the snowiest month. The snowiest of 188 towns of 2,500+ in Manitoba.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Split Lake 171
86% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. In heating terms, homes need more heating than almost every Canadian town.
Living with Split Lake 171’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Plant out after about 12 June; the first frost of autumn usually arrives near 12 September, leaving roughly 91 days without frost.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jul and Aug.
Parks & trails →Thirty-year normals hide the storms and the extremes: the hazards page has Split Lake 171’s risks.
Flood & hazards →ECCC’s normals location: Gillam
ECCC builds the Gillam normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 89 km east |
| Station altitude | 145 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −45.1°C |
| Hottest reading, 1991–2020 | 36.8°C |
| Average wind | 14.8 km/h on average, most often from the west |
| Next-nearest location | Thompson, 119 km |
How Split Lake 171 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
Nearby places read from a different ECCC location (places on Split Lake 171’s own would show the same figures). Distances here run 122–157 km: that is how far the nearest places with figures are from Split Lake 171.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Split Lake 171 Gillam | 22.1°C | −28.5°C | 498 mm |
| Thompson 122 km · Thompson | 23.1°C 1.0°C warmer | −28.7°C about the same | 522 mm |
| Oxford House 24 157 km · Island Lake | 23.1°C 1.0°C warmer | −26.3°C 2.2°C milder | 567 mm |
Split Lake 171 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 | −19.8°C | −28.5°C | −24.1°C | 20 mm | 24 cm |
| February | −16.0°C | −27.2°C | −21.6°C | 20 mm | 25 cm |
| March | −8.1°C | −21.2°C | −14.7°C | 22 mm | 25 cm |
| April | 1.8°C | −11.0°C | −4.6°C | 18 mm | 16 cm |
| May | 10.0°C | −2.1°C | 4.0°C | 33 mm | 10 cm |
| June | 18.5°C | 5.4°C | 12.0°C | 56 mm | 3 cm |
| July | 22.1°C | 10.0°C | 16.1°C | 77 mm | 0 cm |
| August | 20.0°C | 9.0°C | 14.5°C | 82 mm | 0 cm |
| September | 12.9°C | 3.6°C | 8.3°C | 59 mm | 2 cm |
| October | 3.3°C | −3.4°C | 0.0°C | 49 mm | 27 cm |
| November | −7.7°C | −15.6°C | −11.7°C | 38 mm | 41 cm |
| December | −16.3°C | −24.8°C | −20.6°C | 25 mm | 29 cm |
| Year | 1.7°C | −8.8°C | −3.5°C | 498 mm | 203 cm |
Two years in three, December’s average lands within 3.8°C of normal, against the steadier July
Each bar spans a month’s coldest and warmest readings over thirty years; April’s run from −33.0°C in 2008 to 26.8°C in 2001.
Where Split Lake 171’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Gillam (the closest location with all twelve months of temperatures).
- 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: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Split Lake 171’s climate
How warm does Split Lake 171 get in summer?
Highs reach 22.1°C on an average July day; no month is warmer.
How cold does Split Lake 171 get in winter?
Expect nights around −28.5°C in January; no month is colder.
How much rain and snow does Split Lake 171 get?
A normal year brings 498 mm, snow included as water: August is wettest at 82 mm, April driest at 18 mm.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 188 days a year.
Are these figures for Split Lake 171 itself?
Not really: Gillam, the closest location with normals, lies well away from Split Lake 171.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Split Lake 171 →
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).