For weather, Devon 30 is about as ordinary as Canadian towns get
A typical year brings 1,022 mm of rain and melted snow, with July afternoons around 25.9°C and January nights around −14.6°C. Its yearly rain and snow top those of 70% of Canadian towns. Precipitation peaks in October and eases off in February. Expect about 172 frosty starts a year, days when the air falls to freezing.
These are not Devon 30’s own readings: ECCC keeps no normals there, so the page uses Fredericton (Airport), 14 km south-east.
A year in Devon 30 at a glance
Each month’s typical high and low, in °C.
What stands out about Devon 30’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Devon 30 feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 172 days, 20°C on 108
The frost season runs September to May, and January freezes nearly every night. Some 17 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,022 mm of precipitation in a typical year
On about 108 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 241 cm in a normal year
Expect snow from November to April, with about 64 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Devon 30
90% 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 Devon 30’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Gardens get from about 14 May to 27 September without frost, around 135 days in all.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 41 days a year here.
Expect around 37 sticky days a year with the humidex above 30.
Averages smooth over blizzards, ice storms, floods and heat waves; Devon 30’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Fredericton (Airport)
Fredericton (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 14 km south-east |
| 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 | Doaktown, 74 km |
How Devon 30 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
The nearest places on a normals location of their own: those that share Devon 30’s would only repeat its figures. Distances here run 48–66 km: that is how far the nearest places with figures are from Devon 30.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Devon 30 Fredericton (Airport) | 25.9°C | −14.6°C | 1,022 mm |
| Nackawic 48 km · Woodstock/Newbridge | 25.3°C 0.6°C cooler | −15.3°C 0.7°C colder | 1,161 mm |
| Chipman 63 km · Doaktown | 25.8°C about the same | −16.0°C 1.4°C colder | 1,210 mm |
| Greenwich 66 km · Saint John | 23.0°C 2.9°C cooler | −13.2°C 1.4°C milder | 1,271 mm |
Devon 30 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 |
From −27.4°C to 27.2°C: March’s coldest and warmest days since 1991
From one year to the next, January’s average typically shifts by 2.5°C around its normal of −9.2°C, the widest of any month, while August’s shifts by 0.9°C.
Where Devon 30’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Fredericton (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Devon 30’s climate
How warm does Devon 30 get in summer?
Midsummer means July, with afternoons near 25.9°C on a typical day.
How cold does Devon 30 get in winter?
On a normal January night the air drops to −14.6°C, the coldest of the year.
How much rain and snow does Devon 30 get?
Measured as water, a year brings 1,022 mm: 106 mm in October, the wettest month, and 63 mm in February, the driest.
How long does snow stay on the ground?
In a normal winter there are about 109 days with at least 1 cm of snow lying.
Are these figures for Devon 30 itself?
Not quite: they come from Fredericton (Airport), the closest ECCC normals location to Devon 30.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Devon 30 →
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).