Churchill Weather in August

August in Churchill averages 15°C (59°F) during the day and 9°C (48°F) at night. It is the wettest month of the year, with 91 mm (3.6 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Churchill in August

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Records from the past 30 years suggest around 14 days of rain, with 91 mm (3.6 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Churchill in August

Daytime highs in Churchill in August reach 15°C (59°F), with nights around 9°C (48°F). Experience the summer season in August. Conditions are often most pleasant around the middle of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. On average, it sees the highest temps of the year.

Sunshine in Churchill in August

Expect sunny days throughout the month, with an estimated 226 hours of sunshine. This makes it a pleasant time to visit Churchill.

Wind Speed in Churchill in August

Average wind conditions reach 5 m/s (10 knots) in August. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Churchill's climate page.

Churchill Temperature in August

Min Temperature 9°C (48°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 45%  

Precipitation 91 mm (3.6 in)  

Rainy days 14 days  

Humidity 75% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 226 hours *  

Percentage Sunshine 47% *  

* Data from: Churchil, Canada (6 KM, 3 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Churchill typically drop from around 18°C (64°F) at the start of August to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).

Average temperatures in August

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Churchill in August

Browse day-by-day weather records for Churchill spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Churchill historical weather extremes in August

According to our 49 years of weather records for Churchill, the following extremes were recorded between 1976 and 2025.

• On August 12, 2024, temperatures climbed to 31°C (88°F), marking the warmest August day on record.
• Churchill experienced its chilliest August day on August 27, 1976, reaching only 5°C (41°F).
• The lowest overnight temperature recorded in August was -2°C (28°F) (August 29, 1976).

What to Wear in Churchill in August

Pack for changing conditions in Churchill in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Churchill in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Churchill's climate page.

More climate data for Churchill

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Churchill climate overview or explore weather in Canada.