Climate Insights for 40 Mile Flats

Regional District of Kitimat-Stikine, British Columbia, Canada

Hottest
July
18°C peak64°F peak
Coldest
December
-17°C low2°F low
Wettest
August
96 mm rain3.8 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in 40 Mile Flats is cold. The average annual temperature is 0°C and approximately 728 mm of precipitation falls per year. 40 Mile Flats receives a notable amount of rainfall throughout the year, including during its driest month. 40 Mile Flats 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 December, February, January, when temperatures can drop to -17°C. 40 Mile Flats experiences heavy snowfall, typically from January through December.The climate in 40 Mile Flats is cold. The average annual temperature is 31°F and approximately 28.7 in of precipitation falls per year. 40 Mile Flats receives a notable amount of rainfall throughout the year, including during its driest month. 40 Mile Flats 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 December, February, January, when temperatures can drop to 2°F. 40 Mile Flats experiences heavy snowfall, typically from January through December.

Temperature

-20°-10°0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -8°Average: -12°Min: -15°FebMax: -7°Average: -12°Min: -16°MarMax: 0°Average: -6°Min: -11°AprMax: 5°Average: 0°Min: -5°MayMax: 12°Average: 6°Min: 1°JunMax: 16°Average: 10°Min: 5°JulMax: 18°Average: 12°Min: 8°AugMax: 17°Average: 11°Min: 7°SepMax: 12°Average: 6°Min: 3°OctMax: 5°Average: 1°Min: -2°NovMax: -4°Average: -8°Min: -10°DecMax: -10°Average: -14°Min: -17°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 17°FAverage: 10°FMin: 5°FFebMax: 20°FAverage: 10°FMin: 3°FMarMax: 32°FAverage: 21°FMin: 12°FAprMax: 41°FAverage: 32°FMin: 24°FMayMax: 54°FAverage: 43°FMin: 34°FJunMax: 60°FAverage: 50°FMin: 41°FJulMax: 64°FAverage: 54°FMin: 46°FAugMax: 62°FAverage: 52°FMin: 44°FSepMax: 53°FAverage: 44°FMin: 37°FOctMax: 40°FAverage: 33°FMin: 28°FNovMax: 25°FAverage: 18°FMin: 13°FDecMax: 14°FAverage: 7°FMin: 2°F
Max
Average
Min

Temperatures in 40 Mile Flats vary considerably across the year, with a 35°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 12°C. December brings the harshest conditions, with lows dropping to -17°C and an average temperature of -14°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.Temperatures in 40 Mile Flats vary considerably across the year, with a 62°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 64°F with a mean of 54°F. December brings the harshest conditions, with lows dropping to 2°F and an average temperature of 7°F. On average, daily temperatures fluctuate by about 16°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 14°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 45mmSnow: 45mmFebPrecipitation: 41mmSnow: 40mmMarPrecipitation: 31mmSnow: 31mmAprPrecipitation: 41mmSnow: 30mmMayPrecipitation: 61mmSnow: 11mmJunPrecipitation: 84mmSnow: 3mmJulPrecipitation: 92mmSnow: 1mmAugPrecipitation: 96mmSnow: 3mmSepPrecipitation: 70mmSnow: 5mmOctPrecipitation: 56mmSnow: 33mmNovPrecipitation: 66mmSnow: 63mmDecPrecipitation: 45mmSnow: 44mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16in18in20in22in24inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.8inSnow (in): 18inFebPrecipitation: 1.6inSnow (in): 16inMarPrecipitation: 1.2inSnow (in): 12inAprPrecipitation: 1.6inSnow (in): 12inMayPrecipitation: 2.4inSnow (in): 4inJunPrecipitation: 3.3inSnow (in): 1inJulPrecipitation: 3.6inSnow (in): 0inAugPrecipitation: 3.8inSnow (in): 1inSepPrecipitation: 2.8inSnow (in): 2inOctPrecipitation: 2.2inSnow (in): 13inNovPrecipitation: 2.6inSnow (in): 25inDecPrecipitation: 1.8inSnow (in): 17in
Precipitation
Snow (in)

40 Mile Flats is a relatively dry area, receiving approximately 728 mm of precipitation annually, which averages out to around 61 mm per month. The wettest month is August, averaging 96 mm of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 31 mm. That's 65 mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. 40 Mile Flats receives heavy snowfall, accumulating around 308cm annually from January through December. The snowiest month is November, with approximately 63cm. Winter travel should account for significant snow cover.40 Mile Flats is a relatively dry area, receiving approximately 28.7 in of precipitation annually, which averages out to around 2.4 in per month. The wettest month is August, averaging 3.8 in of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 1.2 in. That's 2.6 in less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. 40 Mile Flats receives heavy snowfall, accumulating around 121in annually from January through December. The snowiest month is November, with approximately 25in. Winter travel should account for significant snow cover.

Wind

0km/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 6km/hFebWind Speed: 6km/hMarWind Speed: 6km/hAprWind Speed: 7km/hMayWind Speed: 7km/hJunWind Speed: 6km/hJulWind Speed: 5km/hAugWind Speed: 6km/hSepWind Speed: 6km/hOctWind Speed: 6km/hNovWind Speed: 6km/hDecWind Speed: 6km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 4mphMarWind Speed: 4mphAprWind Speed: 4mphMayWind Speed: 4mphJunWind Speed: 4mphJulWind Speed: 3mphAugWind Speed: 4mphSepWind Speed: 4mphOctWind Speed: 4mphNovWind Speed: 4mphDecWind Speed: 4mph
Wind Speed

40 Mile Flats is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.40 Mile Flats is relatively calm, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Monthly Climate Data

The table below shows monthly climate averages for 40 Mile Flats 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 40 Mile Flats 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
-15 °C5 °F
-8 °C17 °F
6 km/h4 mph
45 mm1.8 in
45 cm18 in
Feb
-16 °C3 °F
-7 °C20 °F
6 km/h4 mph
41 mm1.6 in
40 cm16 in
Mar
-11 °C12 °F
0 °C32 °F
6 km/h4 mph
31 mm1.2 in
31 cm12 in
Apr
-5 °C24 °F
5 °C41 °F
7 km/h4 mph
41 mm1.6 in
30 cm12 in
May
1 °C34 °F
12 °C54 °F
7 km/h4 mph
61 mm2.4 in
11 cm4 in
Jun
5 °C41 °F
16 °C60 °F
6 km/h4 mph
84 mm3.3 in
3 cm1 in
Jul
8 °C46 °F
18 °C64 °F
5 km/h3 mph
92 mm3.6 in
1 cm0 in
Aug
7 °C44 °F
17 °C62 °F
6 km/h4 mph
96 mm3.8 in
3 cm1 in
Sep
3 °C37 °F
12 °C53 °F
6 km/h4 mph
70 mm2.8 in
5 cm2 in
OctCurrent
-2 °C28 °F
5 °C40 °F
6 km/h4 mph
56 mm2.2 in
33 cm13 in
Nov
-10 °C13 °F
-4 °C25 °F
6 km/h4 mph
66 mm2.6 in
63 cm25 in
Dec
-17 °C2 °F
-10 °C14 °F
6 km/h4 mph
45 mm1.8 in
44 cm17 in