Photo: Christopherdunlap · Public domainFew Canadian towns get more snow than Perth-Andover: about 311 cm a year
Peak summer warmth arrives in July, with afternoons near 25.7°C. Rain and snow together come to more here than on 84% of Canadian towns. The gap between a January night and a July afternoon is 43°C. Long walks are most pleasant from June to August, when afternoons reach 23–26°C.
Borrowed figures: Perth-Andover has no normals station, so these come from Aroostook, 3.7 km south.
A year in Perth-Andover at a glance
Each month’s typical high and low, in °C.
What stands out about Perth-Andover’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Perth-Andover feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 181 frosts and 103 warm days a year
From September to May frost is routine, and in January it comes on almost every night. On about 31 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 1,149 mm of rain and snow a year
January brings the most rain and snow; February, the least. On about 130 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 311 cm in a normal year
From October to May snow is likely; January is the peak, at about 76 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Perth-Andover
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. That means homes here need more heating than 62% of Canadian towns.
Living with Perth-Andover’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.
Parks & trails →For the weather that does damage, from ice storms to floods, see Perth-Andover’s hazards page.
Flood & hazards →ECCC’s normals location: Aroostook
Aroostook is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 3.7 km south |
| Station altitude | 80 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.5°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Next-nearest location | St. Leonard, 47 km |
How Perth-Andover 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 New Brunswick.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Perth-Andover’s would only repeat its figures. Perth-Andover has few close neighbours with figures, so the list reaches 22–35 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Perth-Andover Aroostook | 25.7°C | −17.5°C | 1,149 mm |
| Grand Falls 22 km · St. Leonard | 24.2°C 1.5°C cooler | −17.9°C about the same | 1,128 mm |
| Florenceville-Bristol 35 km · Woodstock/Newbridge | 25.3°C about the same | −15.3°C 2.2°C milder | 1,161 mm |
Perth-Andover weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.1°C | −17.5°C | −11.8°C | 108 mm | 76 cm |
| February | −3.8°C | −16.7°C | −10.3°C | 81 mm | 67 cm |
| March | 2.3°C | −9.7°C | −3.7°C | 87 mm | 57 cm |
| April | 9.5°C | −2.2°C | 3.7°C | 81 mm | 18 cm |
| May | 18.0°C | 4.2°C | 11.1°C | 89 mm | 2 cm |
| June | 22.7°C | 9.1°C | 15.9°C | 97 mm | 0 cm |
| July | 25.7°C | 12.9°C | 19.3°C | 104 mm | 0 cm |
| August | 24.7°C | 11.8°C | 18.3°C | 99 mm | 0 cm |
| September | 20.1°C | 7.6°C | 13.9°C | 101 mm | under 1 cm |
| October | 12.4°C | 1.6°C | 7.1°C | 102 mm | 4 cm |
| November | 4.6°C | −3.8°C | 0.4°C | 94 mm | 27 cm |
| December | −2.2°C | −10.9°C | −6.6°C | 106 mm | 61 cm |
| Year | 10.7°C | −1.1°C | 4.8°C | 1,149 mm | 311 cm |
February varies most from one year to the next (3.1°C), June least
March has the widest record range, −36.0°C in 2001 to 24.5°C in 2012; the tick on each bar is the month’s normal.
Where Perth-Andover’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Aroostook, its nearest location with complete 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, 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 Perth-Andover’s climate
How warm does Perth-Andover get in summer?
On a normal day in July the thermometer climbs to 25.7°C, the warmest of the year.
How cold does Perth-Andover get in winter?
Of all twelve months, January has the coldest nights, about −17.5°C.
How much rain and snow does Perth-Andover get?
A normal year brings 1,149 mm, snow included as water: January is wettest at 108 mm, February driest at 81 mm.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 138 days a year.
Are these figures for Perth-Andover itself?
No, the station behind them is Aroostook, beyond Perth-Andover’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Perth-Andover →
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).