Photo: Mario Hains · CC BY-SA 3.0A middle-of-the-road climate: Hatley is close to most Canadian towns on every count
A typical year brings 1,015 mm of rain and melted snow, with July afternoons around 25.7°C and January nights around −14.9°C. Expect the most rain and snow in August and the least in February. In January, nights here are colder than in 71% of Canadian towns. The outdoor season runs from June to September, with highs of 21–26°C.
These are not Hatley’s own readings: ECCC keeps no normals there, so the page uses Lennoxville, 8.6 km north-east.
A year in Hatley at a glance
Each month’s typical high and low, in °C.
What stands out about Hatley’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Hatley feels like
Each season’s and each month’s usual high and low, 1991–2020.
167 frost days and 115 days above 20°C a year
The frost season runs September to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 23 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,015 mm of precipitation in a typical year
About 147 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
About 291 cm of snow a year
Expect snow from October to May, with about 71 cm in December, the snowiest month.
Snowfall by month
Centimetres
ECCC’s Lennoxville normals leave snowfall out; the figures here come from Coaticook, 21 km away.
Heating a home in Hatley
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C.
Living with Hatley’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →Winter brings about 41 days with a wind chill below −20.
Expect around 44 sticky days a year with the humidex above 30.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Hatley’s hazards page.
Flood & hazards →ECCC’s normals location: Lennoxville
The page’s figures are ECCC’s 1991–2020 normals for Lennoxville, one of its 450 normals locations.
| Distance from the town | 8.6 km north-east |
| Station altitude | 181 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Coaticook, 21 km |
| Coldest reading, 1991–2020 | −39.0°C |
| Hottest reading, 1991–2020 | 34.9°C |
| Average wind | 10.1 km/h on average, most often from the south |
| Next-nearest location | Coaticook, 21 km |
How Hatley compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Hatley’s own would show the same figures).
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Hatley Lennoxville | 25.7°C | −14.9°C | 1,015 mm |
| Waterville 3.0 km · Lennoxville | 25.7°C about the same | −14.9°C about the same | 1,015 mm |
| Compton 11 km · Coaticook | 24.7°C 1.0°C cooler | −13.9°C 1.0°C milder | 1,217 mm |
| Ascot Corner 17 km · Sherbrooke | 25.3°C about the same | −16.5°C 1.6°C colder | 1,015 mm |
Hatley weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.1°C | −14.9°C | −9.5°C | 76 mm | 59 cm |
| February | −2.3°C | −14.3°C | −8.3°C | 66 mm | 61 cm |
| March | 3.1°C | −8.3°C | −2.6°C | 68 mm | 52 cm |
| April | 10.8°C | −0.6°C | 5.1°C | 82 mm | 15 cm |
| May | 18.6°C | 5.7°C | 12.2°C | 85 mm | 1 cm |
| June | 23.3°C | 11.0°C | 17.2°C | 102 mm | 0 cm |
| July | 25.7°C | 13.6°C | 19.7°C | 99 mm | 0 cm |
| August | 24.8°C | 12.7°C | 18.7°C | 104 mm | 0 cm |
| September | 20.7°C | 8.2°C | 14.5°C | 96 mm | 0 cm |
| October | 13.0°C | 2.5°C | 7.7°C | 91 mm | 5 cm |
| November | 6.2°C | −2.8°C | 1.7°C | 70 mm | 26 cm |
| December | −0.7°C | −9.6°C | −5.2°C | 75 mm | 71 cm |
| Year | 11.6°C | 0.3°C | 5.9°C | 1,015 mm | 291 cm |
March: −32.0°C at its coldest, 25.8°C at its warmest
From one year to the next, January’s average typically shifts by 3.1°C around its normal of −9.5°C, the widest of any month, while August’s shifts by 0.9°C.
Where Hatley’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Lennoxville (the closest location with all twelve months of temperatures).
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Hatley’s climate
How warm does Hatley get in summer?
At its warmest, in July, the normal high is 25.7°C.
How cold does Hatley get in winter?
On a normal January night the air drops to −14.9°C, the coldest of the year.
How much rain and snow does Hatley get?
The yearly total is about 1,015 mm. August gets 104 mm, the most of any month; February gets 66 mm, the least.
Are these figures for Hatley itself?
Not as such: Lennoxville is the nearest normals location, and Hatley has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Hatley →
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).