Photo: Jd.101 · CC BY-SA 3.0Midwinter lows in Killarney sink below those of 89% of Canadian towns
Peak summer warmth arrives in July, with afternoons near 25.9°C. Rain and snow together come to less here than on 75% of Canadian towns. Temperatures cover 46°C across the year, low to high. The heating season runs October to April: each of those months averages under 10°C.
The nearest ECCC normals location is Cypress River, 60 km north-east: at that distance its figures describe the region more than Killarney itself.
A year in Killarney at a glance
Each month’s typical high and low, in °C.
What stands out about Killarney’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Manitoba beside it.
What a year in Killarney feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
194 frost days and 111 days above 20°C a year
Frost comes from September to May; in December almost every night freezes. Deep cold, under −20°C, comes on about 46 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 517 mm of rain and snow a year
June is the wettest month and February the driest. About 78 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
137 cm of snow in a typical year
The snow season runs October to May; December brings the most, about 34 cm. 9th snowiest of 187 towns of 2,500+ in Manitoba.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Killarney
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. That means homes here need more heating than 83% of Canadian towns.
Living with Killarney’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
A normal year gives the garden about 124 frost-free days, roughly 19 May to 21 September.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →Severe weather is a separate story from the averages: see Killarney’s hazards page.
Flood & hazards →ECCC’s normals location: Cypress River
ECCC builds the Cypress River normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 60 km north-east |
| Station altitude | 374 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −41.2°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Brandon, 84 km |
How Killarney compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Manitoba.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Killarney’s own would show the same figures). Distances here run 29–70 km: that is how far the nearest places with figures are from Killarney.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Killarney Cypress River | 25.9°C | −20.1°C | 517 mm |
| Boissevain 29 km · Melita | 25.6°C about the same | −19.9°C about the same | 422 mm |
| Oakland-Wawanesa 52 km · Brandon | 24.9°C 1.0°C cooler | −21.9°C 1.8°C colder | 489 mm |
Killarney weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −10.1°C | −20.1°C | −15.1°C | 20 mm | 23 cm |
| February | −7.4°C | −18.1°C | −12.8°C | 17 mm | 18 cm |
| March | 0.1°C | −10.4°C | −5.1°C | 21 mm | 16 cm |
| April | 10.5°C | −2.1°C | 4.2°C | 27 mm | 11 cm |
| May | 18.2°C | 4.6°C | 11.4°C | 70 mm | 6 cm |
| June | 23.2°C | 10.7°C | 17.0°C | 91 mm | 0 cm |
| July | 25.9°C | 13.1°C | 19.5°C | 75 mm | 0 cm |
| August | 25.7°C | 11.7°C | 18.7°C | 61 mm | 0 cm |
| September | 20.2°C | 7.0°C | 13.6°C | 45 mm | under 1 cm |
| October | 10.8°C | −0.1°C | 5.4°C | 38 mm | 8 cm |
| November | 0.4°C | −8.6°C | −4.1°C | 25 mm | 22 cm |
| December | −7.4°C | −16.5°C | −12.0°C | 27 mm | 34 cm |
| Year | 9.2°C | −2.4°C | 3.4°C | 517 mm | 137 cm |
From year to year, February moves by 4.2°C, more than any month, and June least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −36.0°C (1998) to 24.0°C (2012).
Where Killarney’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Cypress River, the closest ECCC location with twelve months of temperature normals.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Killarney’s climate
How warm does Killarney get in summer?
In July, the warmest month, the typical high is 25.9°C.
How cold does Killarney get in winter?
On a normal January night the air drops to −20.1°C, the coldest of the year.
How much rain and snow does Killarney get?
Precipitation totals 517 mm a year, with June the wettest month (91 mm) and February the driest (17 mm).
Are these figures for Killarney itself?
They are the figures for Cypress River, which read better as the region’s climate than Killarney’s own.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Killarney →
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).