Photo: Quintin Soloviev · CC BY 4.0St. George has some of the coolest summers among Canadian towns
January mornings start at about −9.5°C. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 30°C apart. Its yearly rain and snow top those of 83% of Canadian towns. The heating season runs October to May: each of those months averages under 10°C.
St. George has no ECCC normals station of its own: every figure here comes from Point Lepreau, 30 km east.
A year in St. George at a glance
Each month’s typical high and low, in °C.
What stands out about St. George’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in St. George feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 135 frosts and 45 warm days a year
From October to May frost is routine, and in January it comes on almost every night.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,125 mm of precipitation in a typical year
The most falls in October, the least in August. Some 109 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
215 cm of snow in a typical year
Expect snow from November to April, with about 60 cm in January, the snowiest month.
Snowfall by month
Centimetres
Point Lepreau publishes no full year of snowfall, so these figures come from Saint John, 76 km away.
Heating a home in St. George
84% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. That means homes here need less heating than 66% of Canadian towns.
Living with St. George’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Seedlings can go out once the average last frost, around 4 May, has passed; autumn’s first, near 17 October, ends a season of about 165 days.
Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 21 days a year.
The humidex tops 30 on about 4 days a year: muggy days to plan around.
For blizzards, floods and wildfire, turn to St. George’s hazards page.
Flood & hazards →ECCC’s normals location: Point Lepreau
Every temperature, frost, snow and degree-day figure on this page is the 1991–2020 normal ECCC publishes for Point Lepreau.
| Distance from the town | 30 km east |
| Station altitude | 13 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Saint John, 76 km |
| Coldest reading, 1991–2020 | −26.6°C |
| Hottest reading, 1991–2020 | 31.6°C |
| Average wind | 12.0 km/h on average, most often from the north-west |
| Next-nearest location | St. Stephen, 35 km |
How St. George compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in New Brunswick.
Nearby towns’ climate
Places around St. George whose figures come from another normals location. The nearest place to St. George with figures is 19 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| St. George Point Lepreau | 19.9°C | −9.5°C | 1,125 mm |
| Saint Andrews 19 km · St. Stephen | 25.7°C 5.8°C warmer | −13.6°C 4.1°C colder | 1,125 mm |
St. George 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 | −0.5°C | −9.5°C | −5.0°C | 82 mm | 60 cm |
| February | 0.3°C | −8.7°C | −4.2°C | 74 mm | 46 cm |
| March | 3.6°C | −4.4°C | −0.4°C | 94 mm | 37 cm |
| April | 8.4°C | 0.6°C | 4.5°C | 100 mm | 16 cm |
| May | 13.1°C | 5.0°C | 9.1°C | 96 mm | 1 cm |
| June | 17.3°C | 9.1°C | 13.2°C | 109 mm | 0 cm |
| July | 19.9°C | 12.0°C | 15.9°C | 76 mm | 0 cm |
| August | 20.7°C | 12.4°C | 16.6°C | 65 mm | 0 cm |
| September | 18.1°C | 9.9°C | 14.0°C | 99 mm | 0 cm |
| October | 13.2°C | 5.4°C | 9.3°C | 120 mm | 1 cm |
| November | 8.2°C | 0.5°C | 4.3°C | 103 mm | 13 cm |
| December | 2.9°C | −5.2°C | −1.1°C | 108 mm | 42 cm |
| Year | 10.4°C | 2.3°C | 6.4°C | 1,125 mm | 215 cm |
The month with the widest range: December, −25.4°C to 18.8°C
January is the least predictable month: about two years in three its average lands within 2.3°C of the normal, −5.0°C. August is the steadiest, within 0.7°C.
Where St. George’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Point Lepreau, its nearest location with complete temperatures.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- 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 St. George’s climate
How warm does St. George get in summer?
Expect highs near 20.7°C in August, the hottest month on average.
How cold does St. George get in winter?
Lows sink to −9.5°C on an average January night.
How much rain and snow does St. George get?
1,125 mm a year counting snow as water. The wettest month is October (120 mm); the driest, August (65 mm).
Are these figures for St. George itself?
Not quite: they come from Point Lepreau, the closest ECCC normals location to St. George.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for St. George →
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).