Climate Insights for Armstrong

Thunder Bay District, Ontario, Canada

Hottest
July
23°C peak73°F peak
Coldest
February
-19°C low-3°F low
Wettest
September
101 mm rain4 in rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Armstrong is cold. The average annual temperature is 2°C and approximately 740 mm of precipitation falls per year. September is the wettest month, receiving around 101 mm of rainfall. Armstrong 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 February, January, December, when temperatures can drop to -19°C. Armstrong experiences heavy snowfall, typically from January through December.The climate in Armstrong is cold. The average annual temperature is 35°F and approximately 29.2 in of precipitation falls per year. September is the wettest month, receiving around 4 in of rainfall. Armstrong 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 February, January, December, when temperatures can drop to -3°F. Armstrong experiences heavy snowfall, typically from January through December.

Temperature

-20°-10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -11°Average: -15°Min: -19°FebMax: -10°Average: -15°Min: -19°MarMax: -1°Average: -7°Min: -12°AprMax: 5°Average: -1°Min: -5°MayMax: 14°Average: 8°Min: 3°JunMax: 20°Average: 14°Min: 9°JulMax: 23°Average: 17°Min: 13°AugMax: 22°Average: 17°Min: 13°SepMax: 17°Average: 13°Min: 9°OctMax: 9°Average: 6°Min: 3°NovMax: 0°Average: -3°Min: -5°DecMax: -8°Average: -11°Min: -15°
Max
Average
Min
-10°F0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 13°FAverage: 5°FMin: -1°FFebMax: 15°FAverage: 5°FMin: -3°FMarMax: 30°FAverage: 19°FMin: 10°FAprMax: 41°FAverage: 31°FMin: 23°FMayMax: 58°FAverage: 47°FMin: 37°FJunMax: 67°FAverage: 57°FMin: 47°FJulMax: 73°FAverage: 63°FMin: 55°FAugMax: 72°FAverage: 62°FMin: 55°FSepMax: 63°FAverage: 55°FMin: 48°FOctMax: 49°FAverage: 42°FMin: 37°FNovMax: 32°FAverage: 27°FMin: 23°FDecMax: 18°FAverage: 11°FMin: 6°F
Max
Average
Min

Armstrong has a wide annual temperature range, spanning 42°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 23°C with a mean of 17°C. February brings the harshest conditions, with lows dropping to -19°C and an average temperature of -15°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.Armstrong has a wide annual temperature range, spanning 76°F from the coldest to warmest months. July is the warmest month, though highs remain moderate at 73°F with a mean of 63°F. February brings the harshest conditions, with lows dropping to -3°F and an average temperature of 5°F. On average, daily temperatures fluctuate by about 16°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 16°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 28mmSnow: 27mmFebPrecipitation: 32mmSnow: 30mmMarPrecipitation: 34mmSnow: 29mmAprPrecipitation: 67mmSnow: 43mmMayPrecipitation: 58mmSnow: 5mmJunPrecipitation: 86mmSnow: 1mmJulPrecipitation: 88mmSnow: 0mmAugPrecipitation: 70mmSnow: 0mmSepPrecipitation: 101mmSnow: 0mmOctPrecipitation: 70mmSnow: 12mmNovPrecipitation: 56mmSnow: 42mmDecPrecipitation: 50mmSnow: 44mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.1inSnow (in): 11inFebPrecipitation: 1.2inSnow (in): 12inMarPrecipitation: 1.4inSnow (in): 11inAprPrecipitation: 2.6inSnow (in): 17inMayPrecipitation: 2.3inSnow (in): 2inJunPrecipitation: 3.4inSnow (in): 0inJulPrecipitation: 3.5inSnow (in): 0inAugPrecipitation: 2.8inSnow (in): 0inSepPrecipitation: 4inSnow (in): 0inOctPrecipitation: 2.7inSnow (in): 5inNovPrecipitation: 2.2inSnow (in): 16inDecPrecipitation: 2inSnow (in): 17in
Precipitation
Snow (in)

Armstrong is a relatively dry area, receiving approximately 740 mm of precipitation annually, which averages out to around 62 mm per month. The wettest month is September, averaging 101 mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 28 mm. That's 74 mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Armstrong receives heavy snowfall, accumulating around 232cm annually from January through December. The snowiest month is December, with approximately 44cm. Winter travel should account for significant snow cover.Armstrong is a relatively dry area, receiving approximately 29.2 in of precipitation annually, which averages out to around 2.4 in per month. The wettest month is September, averaging 4 in of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 1.1 in. That's 2.9 in less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Armstrong receives heavy snowfall, accumulating around 91in annually from January through December. The snowiest month is December, with approximately 17in. Winter travel should account for significant snow cover.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13km/hFebWind Speed: 13km/hMarWind Speed: 13km/hAprWind Speed: 13km/hMayWind Speed: 12km/hJunWind Speed: 12km/hJulWind Speed: 11km/hAugWind Speed: 12km/hSepWind Speed: 13km/hOctWind Speed: 15km/hNovWind Speed: 15km/hDecWind Speed: 14km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8mphFebWind Speed: 8mphMarWind Speed: 8mphAprWind Speed: 8mphMayWind Speed: 7mphJunWind Speed: 7mphJulWind Speed: 7mphAugWind Speed: 8mphSepWind Speed: 8mphOctWind Speed: 9mphNovWind Speed: 10mphDecWind Speed: 9mph
Wind Speed

Armstrong is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.Armstrong is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months.

Best Time to Visit

Jan-15°5°F
Feb-15°5°F
Mar-7°19°F
Apr-1°31°F
May8°47°F
Jun14°57°F
Jul17°63°F
Aug17°62°F
Sep13°55°F
Oct6°42°F
Nov-3°27°F
Dec-11°11°F

The best time to visit Armstrong is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 79 mm per month. By contrast, February can be quite cold with temperatures dropping to -19°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Armstrong is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 3.1 in per month. By contrast, February can be quite cold with temperatures dropping to -3°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Armstrong 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 Armstrong 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
-19 °C-1 °F
-11 °C13 °F
13 km/h8 mph
28 mm1.1 in
27 cm11 in
Feb
-19 °C-3 °F
-10 °C15 °F
13 km/h8 mph
32 mm1.2 in
30 cm12 in
Mar
-12 °C10 °F
-1 °C30 °F
13 km/h8 mph
34 mm1.4 in
29 cm11 in
Apr
-5 °C23 °F
5 °C41 °F
13 km/h8 mph
67 mm2.6 in
43 cm17 in
May
3 °C37 °F
14 °C58 °F
12 km/h7 mph
58 mm2.3 in
5 cm2 in
Jun
9 °C47 °F
20 °C67 °F
12 km/h7 mph
86 mm3.4 in
1 cm0 in
Jul
13 °C55 °F
23 °C73 °F
11 km/h7 mph
88 mm3.5 in
0 cm0 in
Aug
13 °C55 °F
22 °C72 °F
12 km/h8 mph
70 mm2.8 in
0 cm0 in
Sep
9 °C48 °F
17 °C63 °F
13 km/h8 mph
101 mm4 in
0 cm0 in
OctCurrent
3 °C37 °F
9 °C49 °F
15 km/h9 mph
70 mm2.7 in
12 cm5 in
Nov
-5 °C23 °F
0 °C32 °F
15 km/h10 mph
56 mm2.2 in
42 cm16 in
Dec
-15 °C6 °F
-8 °C18 °F
14 km/h9 mph
50 mm2 in
44 cm17 in