Winter nights in Grant Park are colder than in 95% of Canadian towns
Peak summer warmth arrives in July, with afternoons near 25.8°C. July is the wettest month, February the driest. Rain and snow together come to less here than on 72% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
1991–2020 normals from ECCC’s Winnipeg Richardson (Airport) location, 8.6 km north-west.
A year in Grant Park at a glance
Each month’s typical high and low, in °C.
What stands out about Grant Park’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Grant Park feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 193 frosts and 110 warm days a year
Frost comes from September to May; in January almost every night freezes. On about 52 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
About 519 mm of rain and snow a year
On about 80 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 126 cm of snow a 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 Grant Park
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. A house here needs more heating than 89% of Canadian towns.
Living with Grant Park’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Plant out after about 23 May; the first frost of autumn usually arrives near 22 September, leaving roughly 122 days without frost.
For long days outdoors, Jun, Jul and Aug bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →About 86 days a year bring a wind chill under −20, when bare skin chills fast.
The humidex tops 30 on about 37 days a year: muggy days to plan around.
What averages leave out, the floods and ice storms, is on Grant Park’s hazards page.
Flood & hazards →ECCC’s normals location: Winnipeg Richardson (Airport)
Behind the 1991–2020 normals for Winnipeg Richardson (Airport) are 4 stations, which ECCC combines into one record.
| Distance from the town | 8.6 km north-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 | Portage Southport, 79 km |
How Grant Park 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
The nearest places on a normals location of their own: those that share Grant Park’s would only repeat its figures. The nearest places to Grant Park with figures are 44–48 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Grant Park Winnipeg Richardson (Airport) | 25.8°C | −21.2°C | 519 mm |
| Cartier 44 km · Portage Southport | 25.4°C about the same | −19.1°C 2.1°C milder | 493 mm |
| Brokenhead 44 km · Pinawa | 25.2°C 0.6°C cooler | −21.7°C 0.5°C colder | 571 mm |
| St-Pierre-Jolys 48 km · Emerson | 26.0°C about the same | −20.4°C 0.8°C milder | 543 mm |
Grant Park 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 | −21.2°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 |
The month with the widest range: March, −37.4°C to 23.7°C
December is the least predictable month: about two years in three its average lands within 4.1°C of the normal, −12.7°C. July is the steadiest, within 1.4°C.
Where Grant Park’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: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Grant Park’s climate
How warm does Grant Park get in summer?
Highs reach 25.8°C on an average July day; no month is warmer.
How cold does Grant Park get in winter?
Expect nights around −21.2°C in January; no month is colder.
How much rain and snow does Grant Park get?
Precipitation totals 519 mm a year, with July the wettest month (77 mm) and February the driest (13 mm).
Are these figures for Grant Park itself?
They are the normals for Winnipeg Richardson (Airport), measured just outside Grant Park itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Grant Park →
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).