Photo: P199 · CC BY-SA 3.0Hillsborough is wetter than 89% of Canadian towns: 1,203 mm of rain and snow a year
Midsummer highs settle at about 25.1°C. Of all months, October brings the most precipitation and August the least. An umbrella or a shovel earns its place on about 129 days a year with 1 mm or more.
The nearest ECCC normals location to Hillsborough is Moncton, 21 km north, and every figure on this page is its.
A year in Hillsborough at a glance
Each month’s typical high and low, in °C.
What stands out about Hillsborough’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Hillsborough feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 170 days, 20°C on 98
From October to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 12 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,203 mm a year
9th wettest of 61 towns of 2,500+ in New Brunswick.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 310 cm of snow a year
The snow season runs October to May; January brings the most, about 74 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Hillsborough
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C.
Living with Hillsborough’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
The frost-free stretch runs from about 19 May to about 2 October, some 135 days in a normal year.
For long days outdoors, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Count on some 43 days a year when the wind makes it feel below −20.
About 34 days a year turn sultry, with the humidex past 30.
Ice storms, floods and heat waves are risks, not averages: they are on Hillsborough’s hazards page.
Flood & hazards →ECCC’s normals location: Moncton
Moncton is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 21 km north |
| Station altitude | 71 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.4°C |
| Hottest reading, 1991–2020 | 35.6°C |
| Average wind | 16.7 km/h on average, most often from the south-west |
| Next-nearest location | Nappan, 36 km |
How Hillsborough 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
Nearby places read from a different ECCC location (places on Hillsborough’s own would show the same figures). No closer place has figures: this one lies 12 km from Hillsborough.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Hillsborough Moncton | 25.1°C | −13.3°C | 1,203 mm |
| Dorchester 12 km · Nappan | 24.3°C 0.8°C cooler | −11.7°C 1.6°C milder | 1,161 mm |
Hillsborough 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 | −3.5°C | −13.3°C | −8.4°C | 102 mm | 74 cm |
| February | −2.5°C | −12.7°C | −7.6°C | 88 mm | 65 cm |
| March | 2.2°C | −7.4°C | −2.6°C | 111 mm | 60 cm |
| April | 8.6°C | −1.5°C | 3.6°C | 94 mm | 29 cm |
| May | 16.1°C | 3.9°C | 10.0°C | 98 mm | 2 cm |
| June | 21.3°C | 9.2°C | 15.3°C | 95 mm | 0 cm |
| July | 25.1°C | 13.4°C | 19.3°C | 87 mm | 0 cm |
| August | 24.7°C | 12.7°C | 18.7°C | 77 mm | 0 cm |
| September | 20.2°C | 8.1°C | 14.2°C | 103 mm | 0 cm |
| October | 13.2°C | 2.9°C | 8.1°C | 124 mm | 2 cm |
| November | 6.3°C | −2.2°C | 2.1°C | 109 mm | 19 cm |
| December | 0.0°C | −8.7°C | −4.4°C | 115 mm | 59 cm |
| Year | 11.0°C | 0.4°C | 5.7°C | 1,203 mm | 310 cm |
January strays furthest from its normal year to year, by 2.5°C; August the least
Over 1991–2020, March saw both −24.5°C (1992) and 26.1°C (2012), the widest span of any month.
Where Hillsborough’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Moncton: the nearest of its locations with every month’s temperatures.
- 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 Hillsborough’s climate
How warm does Hillsborough get in summer?
A normal July afternoon tops out at about 25.1°C, the year’s high point.
How cold does Hillsborough get in winter?
Winter bottoms out in January, with lows near −13.3°C.
How much rain and snow does Hillsborough get?
Measured as water, a year brings 1,203 mm: 124 mm in October, the wettest month, and 77 mm in August, the driest.
How long does snow stay on the ground?
Count on about 120 days of snow cover a year, 1 cm or deeper.
Are these figures for Hillsborough itself?
No, they come from Moncton; ECCC keeps no 1991–2020 normals in Hillsborough itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Hillsborough →
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).