Photo: RTBoughner at English Wikipedia · Public domainFew Canadian towns have cooler summers than Mackenzie
Nights in January average −13.5°C. About 197 nights a year bring a frost, more than in 89% of Canadian towns. Precipitation peaks in November and eases off in April. An umbrella or a shovel earns its place on about 116 days a year with 1 mm or more.
Figures: ECCC’s 1991–2020 normals at Mackenzie (4.1 km south-west).
A year in Mackenzie at a glance
Each month’s typical high and low, in °C.
What stands out about Mackenzie’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Mackenzie feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 197 frosts and 68 warm days a year
Frost comes from September to May; in December almost every night freezes. Some 23 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 609 mm a year
Rain and snow by month
Millimetres
Heating a home in Mackenzie
85% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. That means homes here need more heating than 83% of Canadian towns.
Living with Mackenzie’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
For long days outdoors, Jul and Aug bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →About 33 days a year bring a wind chill under −20, when bare skin chills fast.
Humid summer days, the humidex above 30, number about 5 a year.
What averages leave out, the floods and ice storms, is on Mackenzie’s hazards page.
Flood & hazards →ECCC’s normals location: Mackenzie
ECCC builds the Mackenzie normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 4.1 km south-west |
| Station altitude | 690 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −45.0°C |
| Hottest reading, 1991–2020 | 35.8°C |
| Average wind | 7.2 km/h on average, most often from the south-east |
| Next-nearest location | Prince George, 165 km |
How Mackenzie 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 British Columbia.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Mackenzie’s would only repeat its figures. No closer place has figures: this one lies 102 km from Mackenzie.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Mackenzie | 22.4°C | −13.5°C | 609 mm |
| Chetwynd 102 km · Fort St. John | 21.7°C 0.7°C cooler | −16.7°C 3.2°C colder | 464 mm |
Mackenzie weather by month
Average daily high and low, mean temperature and precipitation by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −6.1°C | −13.5°C | −9.8°C | 63 mm |
| February | −2.8°C | −12.4°C | −7.6°C | 34 mm |
| March | 2.6°C | −8.7°C | −3.0°C | 37 mm |
| April | 9.5°C | −2.7°C | 3.4°C | 29 mm |
| May | 16.6°C | 2.6°C | 9.6°C | 32 mm |
| June | 20.3°C | 7.1°C | 13.7°C | 59 mm |
| July | 22.4°C | 9.2°C | 15.8°C | 54 mm |
| August | 21.5°C | 8.0°C | 14.7°C | 52 mm |
| September | 15.9°C | 4.0°C | 9.9°C | 50 mm |
| October | 7.4°C | −0.9°C | 3.3°C | 65 mm |
| November | −0.5°C | −6.5°C | −3.5°C | 70 mm |
| December | −4.8°C | −11.3°C | −8.1°C | 64 mm |
| Year | 8.5°C | −2.1°C | 3.2°C | 609 mm |
The month with the widest range: January, −45.0°C to 9.7°C
Two years in three, January’s average falls within 4.1°C of its normal of −9.8°C; June keeps to within 1.1°C.
Where Mackenzie’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Mackenzie: the nearest of its locations with every month’s temperatures.
- 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: snow, with no complete snowfall normals within 100 km, sunshine, which ECCC published for no location, and any height adjustment.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Mackenzie’s climate
How warm does Mackenzie get in summer?
The year’s warmest days come in July, with highs averaging 22.4°C.
How cold does Mackenzie get in winter?
Of all twelve months, January has the coldest nights, about −13.5°C.
How much rain and snow does Mackenzie get?
609 mm a year counting snow as water. The wettest month is November (70 mm); the driest, April (29 mm).
Are these figures for Mackenzie itself?
Yes, from ECCC’s station within Mackenzie’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Mackenzie →
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).