Climate averages 1991–2020

Sault Ste. Marie weather
in April.

A cold, moderately wet month: the 7th warmest and the joint 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 7.0°C Daytime mean, April
Average low -1.4°C Night-time mean, April
Rainfall 67 mm 10 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Sault Ste. Marie · average highYear overview

April is a cold month in Sault Ste. Marie: daytime highs average 7.0°C and nights cool to about -1.4°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 67 mm of rain on roughly 10 days, which makes April a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 32 min on an average April day.

The nearest other city in this atlas is Greater Sudbury (256 km away). In April its highs average 8.2°C, 1.2°C warmer than Sault Ste. Marie, with 70 mm of rain.

Among the 86 cities listed in Canada, Sault Ste. Marie ranks joint 81st of 86 for the warmest April highs and 16th of 86 for the driest April (rainfall, lowest first). The mean April high of those 86 cities is 10.3°C; Sault Ste. Marie is 3.3°C cooler than that mean.

From April to May, average highs rise by 8.4°C to 15.4°C, and monthly rainfall rises from 67 mm to 72 mm.

The annual picture

April in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -20-15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Sault Ste. Marie climate table

1991–2020
Monthly climate averages for Sault Ste. Marie, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -6.5°C-13.1°C-13.1°C4610.29.09 h
February -6.0°C-12.6°C-12.6°C367.610.310 h
March -0.5°C-7.6°C-7.6°C468.311.912 h
April, selected 7.0°C-1.4°C-1.4°C6710.213.514 h
May 15.4°C5.6°C5.6°C7210.015.015 h
June 21.0°C11.8°C11.8°C819.815.816 h
July 23.3°C15.4°C15.4°C10111.415.415 h
August 22.8°C15.5°C15.5°C9510.914.214 h
September 18.8°C12.0°C12.0°C10812.112.613 h
October 11.5°C5.5°C5.5°C10113.710.911 h
November 4.4°C-0.8°C-0.8°C6711.29.59 h
December -1.7°C-7.7°C-7.7°C5611.18.79 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

April in nearby cities

Distance from Sault Ste. Marie

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sault Ste. Marie) is explained once on the Sault Ste. Marie year overview and on the Sources, method and limits page.