Climate Insights for South River

Parry Sound District, Ontario, Canada

Hottest
July
25°C peak77°F peak
Coldest
January
-13°C low8°F low
Wettest
August
124 mm rain4.9 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in South River is cool. The average annual temperature is 5°C and approximately 1,159 mm of precipitation falls per year. South River receives a notable amount of rainfall throughout the year, including during its driest month. South River is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -13°C. South River experiences heavy snowfall, typically from January through December.The climate in South River is cool. The average annual temperature is 42°F and approximately 45.6 in of precipitation falls per year. South River receives a notable amount of rainfall throughout the year, including during its driest month. South River is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 8°F. South River experiences heavy snowfall, typically from January through December.

Temperature

-20°-10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -5°Average: -9°Min: -13°FebMax: -3°Average: -8°Min: -13°MarMax: 2°Average: -3°Min: -8°AprMax: 10°Average: 4°Min: -1°MayMax: 18°Average: 12°Min: 6°JunMax: 23°Average: 17°Min: 11°JulMax: 25°Average: 19°Min: 14°AugMax: 24°Average: 18°Min: 13°SepMax: 20°Average: 14°Min: 9°OctMax: 13°Average: 8°Min: 4°NovMax: 4°Average: 0°Min: -3°DecMax: -2°Average: -6°Min: -10°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 23°FAverage: 15°FMin: 8°FFebMax: 26°FAverage: 17°FMin: 9°FMarMax: 36°FAverage: 27°FMin: 18°FAprMax: 49°FAverage: 39°FMin: 30°FMayMax: 65°FAverage: 54°FMin: 43°FJunMax: 73°FAverage: 62°FMin: 53°FJulMax: 77°FAverage: 67°FMin: 58°FAugMax: 75°FAverage: 65°FMin: 56°FSepMax: 68°FAverage: 57°FMin: 49°FOctMax: 55°FAverage: 46°FMin: 39°FNovMax: 39°FAverage: 32°FMin: 26°FDecMax: 28°FAverage: 21°FMin: 15°F
Max
Average
Min

South River has a wide annual temperature range, spanning 38°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -13°C and the daily average is -9°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.South River has a wide annual temperature range, spanning 69°F from the coldest to warmest months. July is the warmest month, though highs remain moderate at 77°F with a mean of 67°F. The coldest month is January, when overnight lows fall to 8°F and the daily average is 15°F. On average, daily temperatures fluctuate by about 18°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 15°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 72mmSnow: 59mmFebPrecipitation: 77mmSnow: 55mmMarPrecipitation: 82mmSnow: 36mmAprPrecipitation: 112mmSnow: 27mmMayPrecipitation: 88mmSnow: 2mmJunPrecipitation: 119mmSnow: 0mmJulPrecipitation: 113mmSnow: 0mmAugPrecipitation: 124mmSnow: 0mmSepPrecipitation: 104mmSnow: 0mmOctPrecipitation: 103mmSnow: 4mmNovPrecipitation: 82mmSnow: 35mmDecPrecipitation: 84mmSnow: 57mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16in18in20in22inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 2.8inSnow (in): 23inFebPrecipitation: 3inSnow (in): 22inMarPrecipitation: 3.2inSnow (in): 14inAprPrecipitation: 4.4inSnow (in): 11inMayPrecipitation: 3.5inSnow (in): 1inJunPrecipitation: 4.7inSnow (in): 0inJulPrecipitation: 4.4inSnow (in): 0inAugPrecipitation: 4.9inSnow (in): 0inSepPrecipitation: 4.1inSnow (in): 0inOctPrecipitation: 4inSnow (in): 2inNovPrecipitation: 3.2inSnow (in): 14inDecPrecipitation: 3.3inSnow (in): 23in
Precipitation
Snow (in)

South River is a moderately rainy area, receiving approximately 1,159 mm of precipitation annually, which averages out to around 97 mm per month. The wettest month is August, averaging 124 mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 72 mm. That's 52 mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. South River receives heavy snowfall, accumulating around 276cm annually from January through December. The snowiest month is January, with approximately 59cm. Winter travel should account for significant snow cover.South River is a moderately rainy area, receiving approximately 45.6 in of precipitation annually, which averages out to around 3.8 in per month. The wettest month is August, averaging 4.9 in of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 2.8 in. That's 2 in less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. South River receives heavy snowfall, accumulating around 108in annually from January through December. The snowiest month is January, with approximately 23in. Winter travel should account for significant snow cover.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12km/hFebWind Speed: 13km/hMarWind Speed: 13km/hAprWind Speed: 13km/hMayWind Speed: 11km/hJunWind Speed: 11km/hJulWind Speed: 10km/hAugWind Speed: 10km/hSepWind Speed: 11km/hOctWind Speed: 12km/hNovWind Speed: 13km/hDecWind Speed: 13km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 7mphFebWind Speed: 8mphMarWind Speed: 8mphAprWind Speed: 8mphMayWind Speed: 7mphJunWind Speed: 7mphJulWind Speed: 6mphAugWind Speed: 6mphSepWind Speed: 7mphOctWind Speed: 8mphNovWind Speed: 8mphDecWind Speed: 8mph
Wind Speed

South River is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.South River is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is March, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

Monthly Climate Data

The table below shows monthly climate averages for South River based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for South River based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-13 °C8 °F
-5 °C23 °F
12 km/h7 mph
72 mm2.8 in
59 cm23 in
Feb
-13 °C9 °F
-3 °C26 °F
13 km/h8 mph
77 mm3 in
55 cm22 in
Mar
-8 °C18 °F
2 °C36 °F
13 km/h8 mph
82 mm3.2 in
36 cm14 in
Apr
-1 °C30 °F
10 °C49 °F
13 km/h8 mph
112 mm4.4 in
27 cm11 in
May
6 °C43 °F
18 °C65 °F
11 km/h7 mph
88 mm3.5 in
2 cm1 in
Jun
11 °C53 °F
23 °C73 °F
11 km/h7 mph
119 mm4.7 in
0 cm0 in
Jul
14 °C58 °F
25 °C77 °F
10 km/h6 mph
113 mm4.4 in
0 cm0 in
Aug
13 °C56 °F
24 °C75 °F
10 km/h6 mph
124 mm4.9 in
0 cm0 in
Sep
9 °C49 °F
20 °C68 °F
11 km/h7 mph
104 mm4.1 in
0 cm0 in
OctCurrent
4 °C39 °F
13 °C55 °F
12 km/h8 mph
103 mm4 in
4 cm2 in
Nov
-3 °C26 °F
4 °C39 °F
13 km/h8 mph
82 mm3.2 in
35 cm14 in
Dec
-10 °C15 °F
-2 °C28 °F
13 km/h8 mph
84 mm3.3 in
57 cm23 in