Photo: Jasonbook99 · CC BY-SA 3.0Few Canadian towns have colder winter nights than Gillam
The warmest part of a July day comes in at 22.1°C on average. In July, afternoons here are cooler than in 97% of Canadian towns. Rain or snow is most frequent in August and least in April. The outdoor season, with highs of 20–22°C, runs through July and August.
Environment and Climate Change Canada’s 1991–2020 normals, measured at Gillam, 1.8 km north-west.
A year in Gillam at a glance
Each month’s typical high and low, in °C.
What stands out about Gillam’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Gillam feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
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
Some 91 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
203 cm of snow in a typical year
Snow falls from September to June, most of all in November (about 41 cm). 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 Gillam
86% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. Over a year, a home here needs more heating than almost every Canadian town.
Living with Gillam’s climate
What the normals mean for a garden, a day outside and the depth of winter.
On average the last spring frost comes around 12 June and the first autumn frost around 12 September: about 91 frost-free days between.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jul and Aug.
Parks & trails →The normals describe a typical year, not its worst days; the hazards page covers Gillam’s.
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 | 1.8 km north-west |
| 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, 207 km |
How Gillam 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.
Gillam 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 |
From year to year, December moves by 3.8°C, more than any month, and July least
Bars run from each month’s record low to its record high since 1991. April spans the most, from −33.0°C (2008) to 26.8°C (2001).
Where Gillam’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Gillam, the closest ECCC location with twelve months of temperature normals.
- 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: 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 Gillam’s climate
How warm does Gillam get in summer?
Midsummer means July, with afternoons near 22.1°C on a typical day.
How cold does Gillam get in winter?
Overnight lows average −28.5°C in January, the coldest month.
How much rain and snow does Gillam get?
About 498 mm a year, rain and melted snow together. August is the wettest month (82 mm) and April the driest (18 mm).
How long does snow stay on the ground?
About 188 days a year have 1 cm of snow or more on the ground.
Are these figures for Gillam itself?
They are: the normals station that gives them stands in Gillam.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Gillam →
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).