Weather in Churchill

Average Weather For Churchill, Manitoba, Canada


This report describes the typical weather at the Churchill Airport (Churchill, Manitoba, Canada) weather station over the course of an average year. It is based on the historical records from 1977 to 2012. Earlier records are either unavailable or unreliable.

Churchill, Manitoba has a humid subarctic continental climate with cool summers and no dry season. The area within 40 km of this station is covered by tundra (45%), oceans and seas (44%), shrublands (7%), and lakes and rivers (3%).


Over the course of a year, the temperature typically varies from -30°C to 18°C and is rarely below -37°C or above 26°C.

Daily High and Low Temperature

The warm season lasts from June 9 to September 14 with an average daily high temperature above 10°C. The hottest day of the year is July 27, with an average high of 18°C and low of 9°C.

The cold season lasts from mid-November to late March with an average daily high temperature below -14°C.  The coldest day of the year is January 22, with an average low of -30°C and high of -22°C.


The length of the day varies significantly over the course of the year. The shortest day is December 21 with 6:17 hours of daylight; the longest day is June 20 with 18:25 hours of daylight.

The earliest sunrise is at 4:05am on June 19 and the latest sunset is at 10:31pm on June 21. The latest sunrise is at 9:09am on December 27 and the earliest sunset is at 3:20pm on December 14.

Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.


The median cloud cover ranges from 62% (partly cloudy) to 98% (overcast). The sky is cloudiest on October 24 and clearest on February 14. The clearer part of the year begins around December 17. The cloudier part of the year begins around April 10.


On February 14, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 51% of the time, and overcast or mostly cloudy 45% of the time.

On October 24, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 88% of the time, and clear or mostly clear 11% of the time.


The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around October 26, occurring in 82% of days. Precipitation is least likely around July 5, occurring in 54% of days.


Over the course of the year typical wind speeds vary from 2 m/s to 10 m/s (light breeze to fresh breeze), rarely exceeding 15 m/s (high wind).

The highest average wind speed of 7 m/s (moderate breeze) occurs around November 10, at which time the average daily maximum wind speed is 10 m/s (fresh breeze).

The lowest average wind speed of 5 m/s (gentle breeze) occurs around July 18, at which time the average daily maximum wind speed is 7 m/s (moderate breeze).


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