Climate Insights for Square Island Harbour

Labrador, Newfoundland and Labrador, Canada

Hottest
August
14°C peak57°F peak
Coldest
February
-13°C low8°F low
Wettest
November
139 mm rain5.5 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Square Island Harbour is cold. The average annual temperature is 1°C and approximately 1,243 mm of precipitation falls per year. Square Island Harbour receives a notable amount of rainfall throughout the year, including during its driest month. Square Island Harbour is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to -13°C. Square Island Harbour experiences heavy snowfall, typically from January through December.The climate in Square Island Harbour is cold. The average annual temperature is 34°F and approximately 49 in of precipitation falls per year. Square Island Harbour receives a notable amount of rainfall throughout the year, including during its driest month. Square Island Harbour is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 8°F. Square Island Harbour experiences heavy snowfall, typically from January through December.

Temperature

-20°-10°0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -5°Average: -8°Min: -11°FebMax: -7°Average: -11°Min: -13°MarMax: -3°Average: -6°Min: -8°AprMax: 0°Average: -2°Min: -3°MayMax: 3°Average: 1°Min: 0°JunMax: 7°Average: 5°Min: 4°JulMax: 12°Average: 10°Min: 9°AugMax: 14°Average: 12°Min: 10°SepMax: 11°Average: 9°Min: 8°OctMax: 7°Average: 5°Min: 4°NovMax: 2°Average: 1°Min: -1°DecMax: -2°Average: -4°Min: -6°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 23°FAverage: 17°FMin: 13°FFebMax: 19°FAverage: 13°FMin: 8°FMarMax: 26°FAverage: 21°FMin: 17°FAprMax: 33°FAverage: 29°FMin: 26°FMayMax: 37°FAverage: 34°FMin: 32°FJunMax: 45°FAverage: 42°FMin: 39°FJulMax: 54°FAverage: 50°FMin: 48°FAugMax: 57°FAverage: 53°FMin: 50°FSepMax: 51°FAverage: 48°FMin: 46°FOctMax: 44°FAverage: 42°FMin: 39°FNovMax: 36°FAverage: 33°FMin: 30°FDecMax: 29°FAverage: 25°FMin: 21°F
Max
Average
Min

Temperatures in Square Island Harbour vary considerably across the year, with a 27°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 14°C with a mean of 12°C. The coldest month is February, when overnight lows fall to -13°C and the daily average is -11°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.Temperatures in Square Island Harbour vary considerably across the year, with a 49°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 57°F with a mean of 53°F. The coldest month is February, when overnight lows fall to 8°F and the daily average is 13°F. Daily temperature variation is modest, with an average difference of 7°F between highs and lows. The sharpest temperature change occurs between October and November, with a 9°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 96mmSnow: 80mmFebPrecipitation: 67mmSnow: 61mmMarPrecipitation: 104mmSnow: 85mmAprPrecipitation: 92mmSnow: 53mmMayPrecipitation: 114mmSnow: 46mmJunPrecipitation: 121mmSnow: 3mmJulPrecipitation: 96mmSnow: 0mmAugPrecipitation: 111mmSnow: 0mmSepPrecipitation: 109mmSnow: 0mmOctPrecipitation: 84mmSnow: 6mmNovPrecipitation: 139mmSnow: 48mmDecPrecipitation: 111mmSnow: 84mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16in18in20in22in24in26in28in30in32inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 3.8inSnow (in): 32inFebPrecipitation: 2.6inSnow (in): 24inMarPrecipitation: 4.1inSnow (in): 33inAprPrecipitation: 3.6inSnow (in): 21inMayPrecipitation: 4.5inSnow (in): 18inJunPrecipitation: 4.8inSnow (in): 1inJulPrecipitation: 3.8inSnow (in): 0inAugPrecipitation: 4.4inSnow (in): 0inSepPrecipitation: 4.3inSnow (in): 0inOctPrecipitation: 3.3inSnow (in): 2inNovPrecipitation: 5.5inSnow (in): 19inDecPrecipitation: 4.4inSnow (in): 33in
Precipitation
Snow (in)

Square Island Harbour is a fairly wet location, receiving approximately 1,243 mm of precipitation annually, which averages out to around 104 mm per month. The wettest month is November, averaging 139 mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 67 mm. That's 73 mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Square Island Harbour receives heavy snowfall, accumulating around 467cm annually from January through December. The snowiest month is March, with approximately 85cm. Winter travel should account for significant snow cover.Square Island Harbour is a fairly wet location, receiving approximately 49 in of precipitation annually, which averages out to around 4.1 in per month. The wettest month is November, averaging 5.5 in of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 2.6 in. That's 2.9 in less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Square Island Harbour receives heavy snowfall, accumulating around 184in annually from January through December. The snowiest month is March, with approximately 33in. Winter travel should account for significant snow cover.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/h35km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 30km/hFebWind Speed: 28km/hMarWind Speed: 27km/hAprWind Speed: 25km/hMayWind Speed: 23km/hJunWind Speed: 22km/hJulWind Speed: 20km/hAugWind Speed: 20km/hSepWind Speed: 23km/hOctWind Speed: 25km/hNovWind Speed: 29km/hDecWind Speed: 32km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 19mphFebWind Speed: 17mphMarWind Speed: 17mphAprWind Speed: 15mphMayWind Speed: 14mphJunWind Speed: 13mphJulWind Speed: 12mphAugWind Speed: 12mphSepWind Speed: 14mphOctWind Speed: 15mphNovWind Speed: 18mphDecWind Speed: 20mph
Wind Speed

Square Island Harbour is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 12km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 30km/h in winter, 25km/h in spring, 20km/h in summer, 26km/h in autumn.Square Island Harbour is very windy, with an average annual wind speed of 16mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 20mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 12mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19mph in winter, 15mph in spring, 13mph in summer, 16mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Square Island Harbour 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 Square Island Harbour 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
-11 °C13 °F
-5 °C23 °F
30 km/h19 mph
96 mm3.8 in
80 cm32 in
Feb
-13 °C8 °F
-7 °C19 °F
28 km/h17 mph
67 mm2.6 in
61 cm24 in
Mar
-8 °C17 °F
-3 °C26 °F
27 km/h17 mph
104 mm4.1 in
85 cm33 in
Apr
-3 °C26 °F
0 °C33 °F
25 km/h15 mph
92 mm3.6 in
53 cm21 in
May
0 °C32 °F
3 °C37 °F
23 km/h14 mph
114 mm4.5 in
46 cm18 in
Jun
4 °C39 °F
7 °C45 °F
22 km/h13 mph
121 mm4.8 in
3 cm1 in
Jul
9 °C48 °F
12 °C54 °F
20 km/h12 mph
96 mm3.8 in
0 cm0 in
Aug
10 °C50 °F
14 °C57 °F
20 km/h12 mph
111 mm4.4 in
0 cm0 in
Sep
8 °C46 °F
11 °C51 °F
23 km/h14 mph
109 mm4.3 in
0 cm0 in
OctCurrent
4 °C39 °F
7 °C44 °F
25 km/h15 mph
84 mm3.3 in
6 cm2 in
Nov
-1 °C30 °F
2 °C36 °F
29 km/h18 mph
139 mm5.5 in
48 cm19 in
Dec
-6 °C21 °F
-2 °C29 °F
32 km/h20 mph
111 mm4.4 in
84 cm33 in