Yarmouth has some of the coolest summers among Canadian towns
Midwinter brings lows of about −6.4°C. Rain or snow is most frequent in November and least in July. Its yearly rain and snow top those of 93% of Canadian towns. Plan for rain or snow on about 125 days a year, the days with 1 mm or more.
1991–2020 normals from ECCC’s Yarmouth location, 2.2 km east.
A year in Yarmouth at a glance
Each month’s typical high and low, in °C.
What stands out about Yarmouth’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Nova Scotia beside it.
What a year in Yarmouth feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
123 frost days and 63 days above 20°C a year
Frosts fall from October to April; January has the most, about 27.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,290 mm of precipitation in a typical year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 205 cm in a normal year
The snow season runs November to April; January brings the most, about 64 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Yarmouth
86% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. Over a year, a home here needs less heating than 78% of Canadian towns.
Living with Yarmouth’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Wait until about 28 April to plant out; frost tends to come back around 24 October, about 179 days later.
For long days outdoors, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Bitter wind chill, under −20, comes on about 9 days a year.
About 10 days a year feel above 30 on the humidex.
A normal year has no blizzard, flood or heat wave in it; Yarmouth’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Yarmouth
Behind the 1991–2020 normals for Yarmouth are 3 stations, which ECCC combines into one record.
| Distance from the town | 2.2 km east |
| Station altitude | 36 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −23.6°C |
| Hottest reading, 1991–2020 | 32.5°C |
| Average wind | 16.8 km/h on average, most often from the north-west |
| Next-nearest location | Kejimkujik, 98 km |
How Yarmouth compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Nova Scotia.
Nearby towns’ climate
Places around Yarmouth whose figures come from another normals location. The nearest places to Yarmouth with figures are 64–78 km away.
Yarmouth 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 | 1.3°C | −6.4°C | −2.6°C | 124 mm | 64 cm |
| February | 1.3°C | −6.2°C | −2.5°C | 103 mm | 47 cm |
| March | 4.0°C | −3.3°C | 0.4°C | 111 mm | 31 cm |
| April | 8.8°C | 1.2°C | 5.0°C | 101 mm | 10 cm |
| May | 13.9°C | 5.7°C | 9.8°C | 99 mm | under 1 cm |
| June | 18.1°C | 9.8°C | 14.0°C | 89 mm | 0 cm |
| July | 21.4°C | 13.2°C | 17.3°C | 78 mm | 0 cm |
| August | 21.6°C | 13.4°C | 17.5°C | 88 mm | 0 cm |
| September | 18.8°C | 10.5°C | 14.7°C | 96 mm | 0 cm |
| October | 13.6°C | 6.1°C | 9.8°C | 119 mm | under 1 cm |
| November | 9.0°C | 1.9°C | 5.5°C | 143 mm | 10 cm |
| December | 4.4°C | −2.9°C | 0.8°C | 139 mm | 44 cm |
| Year | 11.4°C | 3.6°C | 7.5°C | 1,290 mm | 205 cm |
From −23.6°C to 15.3°C: February’s coldest and warmest days since 1991
From one year to the next, January’s average typically shifts by 1.9°C around its normal of −2.6°C, the widest of any month, while June’s shifts by 0.8°C.
Where Yarmouth’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Yarmouth: the nearest of its locations with every month’s temperatures.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Yarmouth’s climate
How warm does Yarmouth get in summer?
Expect highs near 21.6°C in August, the hottest month on average.
How cold does Yarmouth get in winter?
Midwinter means January, when a typical night reaches −6.4°C.
How much rain and snow does Yarmouth get?
Rain and snow add up to about 1,290 mm of water a year; November brings the most (143 mm), July the least (78 mm).
How long does snow stay on the ground?
Snow cover of 1 cm or more lasts about 64 days in a typical year.
Are these figures for Yarmouth itself?
Almost: ECCC’s Yarmouth location, which gives these figures, lies a short way outside Yarmouth.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Yarmouth →
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).