Winter nights in Templeton-Sinclair are colder than in 95% of Canadian towns
High summer brings afternoon highs near 25.8°C. A year here swings 47°C from midwinter lows to midsummer highs. It is a dry place: less rain and snow fall here than on 72% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
Read at Winnipeg Richardson (Airport), 7.8 km south-west: ECCC’s normals for 1991–2020.
A year in Templeton-Sinclair at a glance
Each month’s typical high and low, in °C.
What stands out about Templeton-Sinclair’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Templeton-Sinclair feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 193 frosts and 110 warm days 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
Rain and melted snow: about 519 mm a year
July brings the most rain and snow; February, the least. Some 80 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 126 cm in a normal year
Snow falls from October to May, most of all in December (about 27 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Templeton-Sinclair
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. In heating terms, homes need more heating than 89% of Canadian towns.
Living with Templeton-Sinclair’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Tender plants are usually safe from around 23 May until frost returns near 22 September: about 122 days.
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 86 days in a normal year.
Plan shade and water for about 37 days a year above 30 on the humidex.
Thirty-year normals hide the storms and the extremes: the hazards page has Templeton-Sinclair’s 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 | 7.8 km south-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, 76 km |
How Templeton-Sinclair 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 Templeton-Sinclair’s own would show the same figures). No closer places have figures: these lie 37–49 km from Templeton-Sinclair.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Templeton-Sinclair Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Brokenhead 37 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| Cartier 46 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
| Teulon 49 km · Gimli | 25.3°C 0.5°C cooler | −22.7°C 1.5°C colder | 517 mm |
Templeton-Sinclair 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
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 Templeton-Sinclair’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Winnipeg Richardson (Airport), the nearest location with a full year 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: 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 Templeton-Sinclair’s climate
How warm does Templeton-Sinclair get in summer?
The warmest month is July, when afternoons average 25.8°C.
How cold does Templeton-Sinclair get in winter?
January nights average −21.2°C, the coldest of the year.
How much rain and snow does Templeton-Sinclair get?
July is the wettest month at 77 mm and February the driest at 13 mm, for 519 mm over the year.
Are these figures for Templeton-Sinclair itself?
Close to it: they are ECCC’s 1991–2020 normals for Winnipeg Richardson (Airport), just outside Templeton-Sinclair’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Templeton-Sinclair →
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).