Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainNights turn raw in Alonsa each January, colder than in 92% of Canadian towns
Sunny July days climb to about 25.1°C. By precipitation alone, it ranks drier than 78% of Canadian towns. The year is lopsided: June gets about 7.2 times what February does. Frost comes on about 201 days a year, so leave time to clear the car.
Far-off figures: ECCC’s closest normals for Alonsa come from Dauphin, 72 km west, so take them as the area’s climate.
A year in Alonsa at a glance
Each month’s typical high and low, in °C.
What stands out about Alonsa’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Alonsa feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
201 frost days and 103 days above 20°C a year
Frost comes from September to May; in January almost every night freezes. Some 54 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 462 mm of rain and snow a year
186th wettest of 190 towns of 2,500+ in Manitoba.
Rain and snow by month
Millimetres
Heating a home in Alonsa
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. That means homes here need more heating than 97% of Canadian towns.
Living with Alonsa’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Between the last frost, near 21 May, and the first, near 20 September, lie about 121 frost-free days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 83 days a year here.
On some 30 days a year the humidex climbs past 30.
Thirty years of averages say little about one bad storm; Alonsa’s hazards page does.
Flood & hazards →ECCC’s normals location: Dauphin
Behind the 1991–2020 normals for Dauphin are 3 stations, which ECCC combines into one record.
| Distance from the town | 72 km west |
| Station altitude | 305 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −41.4°C |
| Hottest reading, 1991–2020 | 39.0°C |
| Average wind | 14.8 km/h on average, most often from the west |
| Next-nearest location | Hodgson, 117 km |
How Alonsa 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 Alonsa’s would only repeat its figures. No closer places have figures: these lie 44–65 km from Alonsa.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Alonsa Dauphin | 25.1°C | −20.9°C | 462 mm |
| West Interlake 44 km · Hodgson | 25.2°C about the same | −24.3°C 3.4°C colder | 602 mm |
| Sandy Bay 5 48 km · Portage Southport | 25.4°C about the same | −19.1°C 1.8°C milder | 493 mm |
| Rosedale 56 km · Brandon | 24.9°C about the same | −21.9°C 1.0°C colder | 489 mm |
Alonsa weather by month
Average daily high and low, mean temperature and precipitation by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −10.7°C | −20.9°C | −15.8°C | 17 mm |
| February | −8.0°C | −19.1°C | −13.6°C | 12 mm |
| March | −0.9°C | −12.2°C | −6.5°C | 25 mm |
| April | 9.3°C | −3.6°C | 2.9°C | 26 mm |
| May | 17.2°C | 3.0°C | 10.2°C | 51 mm |
| June | 22.3°C | 9.8°C | 16.1°C | 87 mm |
| July | 25.1°C | 12.4°C | 18.8°C | 71 mm |
| August | 24.6°C | 10.8°C | 17.8°C | 55 mm |
| September | 18.9°C | 5.7°C | 12.3°C | 53 mm |
| October | 9.8°C | −1.2°C | 4.3°C | 31 mm |
| November | −0.4°C | −9.6°C | −5.0°C | 18 mm |
| December | −8.0°C | −17.7°C | −12.9°C | 17 mm |
| Year | 8.3°C | −3.5°C | 2.4°C | 462 mm |
Two years in three, December’s average lands within 4.4°C of normal, against the steadier July
Records from 1991 to 2020: no month spans more than March, between −39.0°C (2003) and 24.2°C (1993).
Where Alonsa’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Dauphin from ECCC’s climate data site, the nearest location with every month of temperature.
- 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 snowfall figure (none within 100 km), sunshine (none for 1991–2020) and the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Alonsa’s climate
How warm does Alonsa get in summer?
Peak warmth comes in July, at about 25.1°C by mid-afternoon.
How cold does Alonsa get in winter?
The year’s coldest nights belong to January, at about −20.9°C.
How much rain and snow does Alonsa get?
Over twelve months, rain and melted snow come to 462 mm; the range runs from 12 mm in February to 87 mm in June.
Are these figures for Alonsa itself?
Not really: Dauphin, the closest location with normals, lies well away from Alonsa.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Alonsa →
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).