Photo: Gabriel Picard · CC BY-SA 4.0Miramichi sits near the top of Canadian towns for snow: about 337 cm a year
In January the night’s low is typically −15.3°C. It is a wet place: more rain and snow fall here than on 80% of Canadian towns. Winter and summer sit 41°C apart. Picnics, hikes and garden evenings come into their own from June to September, with highs of 20–26°C.
Measured at Miramichi, 2.8 km south-east: ECCC’s normals for 1991–2020.
A year in Miramichi at a glance
Each month’s typical high and low, in °C.
What stands out about Miramichi’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Miramichi feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
177 frost days and 101 days above 20°C a year
The frost season runs October to May, and January freezes nearly every night. On about 21 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 1,083 mm of rain and snow a year
The most falls in October, the least in February. Some 124 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
About 337 cm of snow a year
Expect snow from October to May, with about 71 cm in January, the snowiest month. 5th snowiest of 60 towns of 2,500+ in New Brunswick.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Snowfall: Bathurst, 70 km away (Miramichi records no complete year of it).
Heating a home in Miramichi
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C.
Living with Miramichi’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Plant out after about 23 May; the first frost of autumn usually arrives near 5 October, leaving roughly 133 days without frost.
For long days outdoors, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →About 42 days a year bring a wind chill under −20, when bare skin chills fast.
About 36 days a year feel above 30 on the humidex.
Ice storms, floods and heat waves are risks, not averages: they are on Miramichi’s hazards page.
Flood & hazards →ECCC’s normals location: Miramichi
ECCC builds the Miramichi normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 2.8 km south-east |
| Station altitude | 33 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Bathurst, 70 km |
| Coldest reading, 1991–2020 | −34.5°C |
| Hottest reading, 1991–2020 | 37.2°C |
| Average wind | 12.3 km/h on average, most often from the west |
| Next-nearest location | Kouchibougauac, 47 km |
How Miramichi 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 New Brunswick.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Miramichi’s would only repeat its figures. Distances here run 39–49 km: that is how far the nearest places with figures are from Miramichi.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Miramichi | 25.5°C | −15.3°C | 1,083 mm |
| Hardwicke 39 km · Kouchibougauac | 25.8°C about the same | −14.1°C 1.2°C milder | 1,240 mm |
| Allardville 47 km · Bathurst | 25.1°C about the same | −16.0°C 0.7°C colder | 1,118 mm |
Miramichi 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 | −4.3°C | −15.3°C | −9.8°C | 87 mm | 71 cm |
| February | −3.0°C | −14.8°C | −8.9°C | 72 mm | 69 cm |
| March | 2.0°C | −8.8°C | −3.4°C | 94 mm | 68 cm |
| April | 8.6°C | −2.0°C | 3.3°C | 84 mm | 30 cm |
| May | 16.3°C | 4.0°C | 10.2°C | 97 mm | 2 cm |
| June | 22.0°C | 9.8°C | 15.9°C | 89 mm | 0 cm |
| July | 25.5°C | 13.8°C | 19.6°C | 90 mm | 0 cm |
| August | 24.8°C | 12.9°C | 18.8°C | 85 mm | 0 cm |
| September | 20.2°C | 8.3°C | 14.3°C | 90 mm | 0 cm |
| October | 12.7°C | 2.5°C | 7.6°C | 113 mm | 6 cm |
| November | 5.5°C | −2.9°C | 1.3°C | 93 mm | 22 cm |
| December | −0.8°C | −9.6°C | −5.2°C | 89 mm | 68 cm |
| Year | 10.8°C | −0.2°C | 5.3°C | 1,083 mm | 337 cm |
March: −31.4°C at its coldest, 26.3°C at its warmest
The month to count on least is February: one year in three its average strays more than 2.5°C from −8.9°C. August moves least, typically by 0.9°C.
Where Miramichi’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Miramichi, the nearest location with a full year of temperatures.
- Other locations: where a location publishes no full year of precipitation or snowfall, the nearest one that does supplies it, named beside those figures.
- 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 (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 Miramichi’s climate
How warm does Miramichi get in summer?
On a normal day in July the thermometer climbs to 25.5°C, the warmest of the year.
How cold does Miramichi get in winter?
In January, the coldest month, the typical low is −15.3°C.
How much rain and snow does Miramichi get?
Some 1,083 mm falls in a year. Most of it comes in October (113 mm), the least in February (72 mm).
Are these figures for Miramichi itself?
Yes: ECCC’s normals station is inside Miramichi itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Miramichi →
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).