Photo: Andrew Thomas from Shrewsbury, UK · CC BY-SA 2.0Yarmouth has some of the coolest summers among Canadian towns
Deep winter brings January lows near −6.4°C. Its yearly rain and snow top those of 93% of Canadian towns. Rain or snow is most frequent in November and least in July. Frost comes on about 123 days a year, so leave time to clear the car.
1991–2020 normals from ECCC’s Yarmouth station, 8.5 km south.
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.
Frost on 123 days, 20°C on 63
Frost comes from October to April, most of all in January (about 27 nights).
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,290 mm of rain and snow a year
On about 125 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 205 cm of snow a year
Snow falls from November to April, most of all in January (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.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. A house 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.
On average the last spring frost comes around 28 April and the first autumn frost around 24 October: about 179 frost-free days between.
The outdoor season by the averages is Jun, Jul, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 9 days a year.
Plan shade and water for about 10 days a year above 30 on the humidex.
Averages smooth over blizzards, ice storms, floods and heat waves; Yarmouth’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Yarmouth
Yarmouth is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 8.5 km south |
| 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, 92 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
The nearest places on a normals location of their own: those that share Yarmouth’s would only repeat its figures. Distances here run 64–70 km: that is how far the nearest places with figures are from Yarmouth.
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 year to year, January moves by 1.9°C, more than any month, and June least
Over 1991–2020, February saw both −23.6°C (1993) and 15.3°C (2017), the widest span of any month.
Where Yarmouth’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Yarmouth, the closest ECCC location with twelve months of temperature normals.
- 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 Yarmouth’s climate
How warm does Yarmouth get in summer?
In August, the warmest month, the typical high is 21.6°C.
How cold does Yarmouth get in winter?
A typical January night falls to −6.4°C, the year’s low point.
How much rain and snow does Yarmouth get?
Measured as water, a year brings 1,290 mm: 143 mm in November, the wettest month, and 78 mm in July, the driest.
How long does snow stay on the ground?
In a normal winter there are about 64 days with at least 1 cm of snow lying.
Are these figures for Yarmouth itself?
Yes: ECCC’s normals station is inside Yarmouth itself.
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).