Summer arrives in force in Milliken, hotter than in 91% of Canadian towns
Nights in January average −10.1°C. Frosty nights are scarcer than in 70% of Canadian towns. June is the wettest month, February the driest. About 113 days a year bring 1 mm of precipitation or more.
No ECCC station in Milliken has 1991–2020 normals; the page reads Toronto Buttonville (Airport), 6.3 km north-west, instead.
A year in Milliken at a glance
Each month’s typical high and low, in °C.
What stands out about Milliken’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Milliken feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 145 frosts and 126 warm days a year
Frost comes from October to May; in January almost every night freezes. On about 6 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 862 mm of rain and snow a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 146 cm in a normal year
From November to April snow is likely; January is the peak, at about 40 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Milliken
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. Over a year, a home here needs less heating than 74% of Canadian towns.
Living with Milliken’s climate
What the normals mean for a garden, a day outside and the depth of winter.
A normal year gives the garden about 161 frost-free days, roughly 3 May to 13 October.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Aug and Sep.
Parks & trails →Roughly 22 days a year feel colder than −20 in the wind.
A humidex above 30 marks about 55 days in a normal year.
Bad-weather days, from blizzards to floods, get their own page for Milliken: the hazards page.
Flood & hazards →ECCC’s normals location: Toronto Buttonville (Airport)
ECCC builds the Toronto Buttonville (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 6.3 km north-west |
| Station altitude | 198 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.2°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 12.2 km/h on average, most often from the north |
| Next-nearest location | Toronto (City), 19 km |
How Milliken compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Ontario.
Nearby towns’ climate
Places around Milliken whose figures come from another normals location. No closer places have figures: these lie 14–23 km from Milliken.
Milliken weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.7°C | −10.1°C | −6.0°C | 64 mm | 40 cm |
| February | −1.0°C | −10.1°C | −5.6°C | 51 mm | 34 cm |
| March | 4.6°C | −5.0°C | −0.2°C | 52 mm | 20 cm |
| April | 11.8°C | 1.2°C | 6.5°C | 79 mm | 7 cm |
| May | 19.3°C | 7.4°C | 13.4°C | 80 mm | under 1 cm |
| June | 24.6°C | 13.0°C | 18.8°C | 87 mm | 0 cm |
| July | 27.3°C | 15.6°C | 21.5°C | 85 mm | 0 cm |
| August | 26.3°C | 14.8°C | 20.6°C | 72 mm | 0 cm |
| September | 21.9°C | 10.4°C | 16.2°C | 83 mm | 0 cm |
| October | 14.3°C | 4.3°C | 9.4°C | 71 mm | 1 cm |
| November | 7.4°C | −0.8°C | 3.3°C | 77 mm | 12 cm |
| December | 1.5°C | −5.8°C | −2.2°C | 63 mm | 33 cm |
| Year | 13.0°C | 2.9°C | 8.0°C | 862 mm | 146 cm |
The most changeable month: January, give or take 3.1°C; the steadiest, June
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −25.6°C in 2003 to 26.3°C in 2012.
Where Milliken’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Toronto Buttonville (Airport): the nearest of its locations with every month’s temperatures.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- 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 Milliken’s climate
How warm does Milliken get in summer?
The warmest month is July, when afternoons average 27.3°C.
How cold does Milliken get in winter?
Of all twelve months, January has the coldest nights, about −10.1°C.
How much rain and snow does Milliken get?
Around 862 mm a year in all, from 87 mm in June down to 51 mm in February.
How long does snow stay on the ground?
On about 76 days a year the ground keeps at least 1 cm of snow.
Are these figures for Milliken itself?
No. ECCC measures normals at Toronto Buttonville (Airport), not in Milliken; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Milliken →
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).