Few Canadian towns get less rain and snow than Holliston: 357 mm a year
January mornings start at about −20.7°C. Temperatures cover 46°C across the year, low to high. Frost is common: about 203 nights a year drop below freezing, more than in 92% of Canadian towns. Plan for rain or snow on about 63 days a year, the days with 1 mm or more.
Environment and Climate Change Canada’s 1991–2020 normals at its Saskatoon Diefenbaker (Airport) station, 9.6 km north-west.
A year in Holliston at a glance
Each month’s typical high and low, in °C.
What stands out about Holliston’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Saskatchewan beside it.
What a year in Holliston feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 203 frosts and 105 warm days a year
Frost comes from September to May; in January almost every night freezes. Some 49 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
Rain and melted snow: about 357 mm a year
June brings the most rain and snow; February, the least.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 91 cm of snow a year
Snow falls from October to May, most of all in January (about 20 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Holliston
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. By this count, homes here need more heating than 95% of Canadian towns.
Living with Holliston’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Tender plants are usually safe from around 19 May until frost returns near 15 September: about 117 days.
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 →Winter brings about 83 days with a wind chill below −20.
Expect around 22 sticky days a year with the humidex above 30.
Thirty years of averages say little about one bad storm; Holliston’s hazards page does.
Flood & hazards →ECCC’s normals location: Saskatoon Diefenbaker (Airport)
Behind the 1991–2020 normals for Saskatoon Diefenbaker (Airport) are 3 stations, which ECCC combines into one record.
| Distance from the town | 9.6 km north-west |
| Station altitude | 504 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −44.9°C |
| Hottest reading, 1991–2020 | 38.6°C |
| Average wind | 15.3 km/h on average, most often from the north-west |
| Next-nearest location | Watrous, 93 km |
How Holliston compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Saskatchewan.
Nearby towns’ climate
Places around Holliston whose figures come from another normals location. No closer places have figures: these lie 75–93 km from Holliston.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Holliston Saskatoon Diefenbaker (Airport) | 25.0°C | −20.7°C | 357 mm |
| Outlook 75 km · Rock Point | 25.2°C about the same | −16.9°C 3.8°C milder | 418 mm |
| Beardy's 97 and Okemasis 96 84 km · Prince Albert | 24.2°C 0.8°C cooler | −22.8°C 2.1°C colder | 432 mm |
| Biggar 93 km · Rosetown | 25.2°C about the same | −19.9°C 0.8°C milder | 338 mm |
| Watrous 93 km · Watrous | 24.6°C about the same | −20.0°C 0.7°C milder | 417 mm |
Holliston 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 | −10.0°C | −20.7°C | −15.4°C | 14 mm | 20 cm |
| February | −7.9°C | −18.9°C | −13.4°C | 9 mm | 11 cm |
| March | −0.7°C | −11.4°C | −6.1°C | 14 mm | 14 cm |
| April | 10.5°C | −2.6°C | 3.9°C | 23 mm | 8 cm |
| May | 18.3°C | 3.4°C | 10.9°C | 42 mm | 1 cm |
| June | 22.1°C | 9.0°C | 15.6°C | 75 mm | 0 cm |
| July | 25.0°C | 11.5°C | 18.3°C | 59 mm | 0 cm |
| August | 24.8°C | 10.0°C | 17.4°C | 43 mm | 0 cm |
| September | 19.1°C | 4.7°C | 11.9°C | 32 mm | under 1 cm |
| October | 9.9°C | −2.4°C | 3.7°C | 21 mm | 7 cm |
| November | −0.7°C | −10.4°C | −5.6°C | 14 mm | 13 cm |
| December | −8.0°C | −18.0°C | −13.0°C | 12 mm | 17 cm |
| Year | 8.5°C | −3.8°C | 2.4°C | 357 mm | 91 cm |
February varies most from one year to the next (4.4°C), June least
Records from 1991 to 2020: no month spans more than March, between −38.3°C (2003) and 19.6°C (2015).
Where Holliston’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Saskatoon Diefenbaker (Airport) (the closest location with all twelve months of temperatures).
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Holliston’s climate
How warm does Holliston get in summer?
Expect highs near 25.0°C in July, the hottest month on average.
How cold does Holliston get in winter?
On a normal January night the air drops to −20.7°C, the coldest of the year.
How much rain and snow does Holliston get?
Measured as water, a year brings 357 mm: 75 mm in June, the wettest month, and 9 mm in February, the driest.
Are these figures for Holliston itself?
Nearly: Saskatoon Diefenbaker (Airport), the location behind them, sits just beyond Holliston’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Holliston →
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).