Photo: Skaarup.HA · CC BY-SA 3.0In Oromocto, July heat, January cold and precipitation all sit near the middle of Canadian towns
A typical January night drops to −14.6°C and a July afternoon reaches 25.9°C; 1,022 mm of rain and snow falls in a year. Temperatures cover 41°C across the year, low to high. Rain and snow together come to more here than on 70% of Canadian towns. Homes need heating from October to April, the months averaging under 10°C.
Borrowed figures: Oromocto has no normals station, so these come from Fredericton (Airport), 3.7 km north-west.
A year in Oromocto at a glance
Each month’s typical high and low, in °C.
What stands out about Oromocto’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Oromocto feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 172 frosts and 108 warm days a year
The frost season runs September to May, and January freezes nearly every night. On about 17 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 1,022 mm of rain and snow a year
October brings the most rain and snow; February, the least. About 108 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
241 cm of snow in a typical year
From November to April snow is likely; January is the peak, at about 64 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Oromocto
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total.
Living with Oromocto’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
On average the last spring frost comes around 14 May and the first autumn frost around 27 September: about 135 frost-free days between.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 41 days a year here.
The humidex tops 30 on about 37 days a year: muggy days to plan around.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Oromocto’s hazards page.
Flood & hazards →ECCC’s normals location: Fredericton (Airport)
Behind the 1991–2020 normals for Fredericton (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 3.7 km north-west |
| Station altitude | 21 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −34.5°C |
| Hottest reading, 1991–2020 | 36.4°C |
| Average wind | 12.2 km/h on average, most often from the south |
| Next-nearest location | Saint John, 75 km |
How Oromocto 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
Nearby places read from a different ECCC location (places on Oromocto’s own would show the same figures). The nearest places to Oromocto with figures are 48–60 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Oromocto Fredericton (Airport) | 25.9°C | −14.6°C | 1,022 mm |
| Greenwich 48 km · Saint John | 23.0°C 2.9°C cooler | −13.2°C 1.4°C milder | 1,271 mm |
| Springfield 55 km · Sussex/Four Corners | 25.7°C about the same | −13.2°C 1.4°C milder | 1,152 mm |
| Nackawic 60 km · Woodstock/Newbridge | 25.3°C 0.6°C cooler | −15.3°C 0.7°C colder | 1,161 mm |
Oromocto 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 | −3.8°C | −14.6°C | −9.2°C | 86 mm | 64 cm |
| February | −2.3°C | −13.9°C | −8.1°C | 63 mm | 49 cm |
| March | 3.3°C | −7.8°C | −2.1°C | 88 mm | 46 cm |
| April | 10.2°C | −1.1°C | 4.6°C | 77 mm | 17 cm |
| May | 17.6°C | 4.7°C | 11.2°C | 79 mm | 1 cm |
| June | 22.8°C | 9.9°C | 16.4°C | 83 mm | 0 cm |
| July | 25.9°C | 13.4°C | 19.7°C | 94 mm | 0 cm |
| August | 25.3°C | 12.3°C | 18.9°C | 66 mm | 0 cm |
| September | 20.7°C | 7.6°C | 14.2°C | 90 mm | 0 cm |
| October | 13.5°C | 1.9°C | 7.7°C | 106 mm | 1 cm |
| November | 6.3°C | −2.9°C | 1.7°C | 97 mm | 13 cm |
| December | −0.3°C | −9.6°C | −5.0°C | 93 mm | 52 cm |
| Year | 11.6°C | 0.0°C | 5.8°C | 1,022 mm | 241 cm |
In March, anything from −27.4°C to 27.2°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±2.5°C around −9.2°C), August the one that wanders least (±0.9°C).
Where Oromocto’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Fredericton (Airport), the closest ECCC location with twelve months of temperature normals.
- 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 (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 Oromocto’s climate
How warm does Oromocto get in summer?
At its warmest, in July, the normal high is 25.9°C.
How cold does Oromocto get in winter?
The coldest nights come in January, averaging −14.6°C.
How much rain and snow does Oromocto get?
A normal year brings 1,022 mm, snow included as water: October is wettest at 106 mm, February driest at 63 mm.
How long does snow stay on the ground?
About 109 days a year have 1 cm of snow or more on the ground.
Are these figures for Oromocto itself?
Only indirectly: the readings are made at Fredericton (Airport), outside Oromocto.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Oromocto →
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).