Skip to content | Skip to institutional links

Common menu bar links

Notices:

A new set of IDF curves was produced on February 09, 2012 and posted on March 09, 2012. Please read the Whats_New_EC_IDF.pdf file for a list of all of the changes.

OTTAWA MACDONALD-CARTIER INT’L A, HAMILTON A, DEER LAKE A, GANDER INT'L A, ST.JOHN'S A, SASKATOON DIEFENBAKER INT'L A, LONDON INT'L A, SAULT STE. MARIE A, EDMONTON INT'L A, YARMOUTH A, THUNDER BAY A, CHURCHILL A and SMITHERS A weather reporting stations have switched over to new NAV CANADA sensors and reporting tools. Due to some unanticipated data processing issues related to the new data flow, the display of daily data from these stations is not available on our website at present. However, hourly data is now being displayed for the new stations: OTTAWA INT'L, HAMILTON, DEER LAKE, GANDER INT'L, ST. JOHN'S INT'L, SASKATOON DIEFENBAKER INT'L, LONDON, SAULT STE MARIE, EDMONTON, YARMOUTH, THUNDER BAY, CHURCHILL and SMITHERS. For more information, please click here and expand the message. Thank you for your patience while we work to fix these current issues.

The Notice Inventory contains a record of all past and current Notices.

The "Weather Winners" Highlights

Top Canadian Weather Winners - The winning city in each of the 72 weather categories. For example, Prince Rupert BC is the wettest city in Canada.

Category	City	Value
Clearest skies year-round	Estevan, SK	2880.53
Cloudiest skies year-round	Prince Rupert, BC	6145.69
Coldest spring	Yellowknife, NT	-5.67
Coldest winter	Yellowknife, NT	-28.9
Coldest year-round	Yellowknife, NT	-4.58
Coolest summer	Prince Rupert, BC	15.67
Driest location	Whitehorse, YT	267.41
Driest summer air	Whitehorse, YT	.86
Driest winter air	Yellowknife, NT	.08
Extreme wind chill	Yellowknife, NT	-63.99
Fewest fog days	Penticton, BC	1.53
Fewest freezing days	Vancouver, BC	45.89
Fewest snow days	Victoria, BC	9.73
Fewest sunny days year-round	Prince Rupert, BC	250.25
Fewest thunderstorm days	Nanaimo, BC	2.33
Foggiest location (days)	St. John's, NL	118.96
Greatest average pressure difference	Prince Rupert, BC	.89
Greatest average snow depth January 31	Québec, QC	57.84
High humidex days at or above 35	Windsor, ON	28.12
Highest average pressure	Hamilton, ON	101.71
Hottest summer	Kamloops, BC	26.94
Humidex days at or above 30	Windsor, ON	67.4
Least sunshine year-round	Prince Rupert, BC	1229.05
Lightest wind speed year-round	Kelowna, BC	5.38
Longest snow cover season (days)	Yellowknife, NT	190.62
Lowest average pressure	Gander, NL	101.18
Lowest snowfall	Victoria, BC	43.79
Mildest winter	Victoria, BC	7.4
Most blowing snow days	Chicoutimi-Jonquière, QC	31.05
Most clear skies in summer	Nanaimo, BC	797.19
Most cold days (-20°C or less)	Yellowknife, NT	110.13
Most cooling degree-days	Windsor, ON	421.73
Most days with light wind (5 km/h or less)	Kelowna, BC	362.55
Most deep snow cover days (10 cm or more)	Yellowknife, NT	164.62
Most dry days	Medicine Hat, AB	265.98
Most freezing days	Thompson, MB	239.85
Most freezing rain days	Gander, NL	39.07
Most growing degree-days	Windsor, ON	2602.66
Most heating degree-days	Yellowknife, NT	8256
Most heavy snowfall days (10 cm or more)	Campbellton, NB	13.47
Most high wind chill days (-30 or less)	Yellowknife, NT	101.27
Most hot and cold days	Yellowknife, NT	110.66
Most hot days (30°C or above)	Kamloops, BC	29.28
Most hours with low visibility	St. John's, NL	763.98
Most huge snowfall days (25 cm or more)	Moncton, NB	2.13
Most humid summer location	Windsor, ON	1.79
Most smoke and haze days	Windsor, ON	122.67
Most snow days	Val-d'Or, QC	103.5
Most sunny days in cold months	Calgary, AB	131.5
Most sunny days in warm months	Portage la Prairie, MB	149.03
Most sunny days year-round	Calgary, AB	332.93
Most thunderstorm days	Windsor, ON	33.24
Most very wet days (25 mm or more)	Prince Rupert, BC	24.2
Most wet days	Prince Rupert, BC	239.71
Most windy days (40 km/h or more)	St. John's, NL	127.08
Rainiest location	Prince Rupert, BC	2468.53
Snowfall as a % of precipitation	Whitehorse, YT	54.24
Snowiest fall	Val-d'Or, QC	61.95
Snowiest location	Gander, NL	443.13
Snowiest spring	Gander, NL	136.15
Sunniest fall	Medicine Hat, AB	517.32
Sunniest spring	Yellowknife, NT	797.96
Sunniest summer	Yellowknife, NT	1033.98
Sunniest winter	Calgary, AB	366.21
Sunniest year-round	Medicine Hat, AB	2512.85
Warmest fall	Windsor, ON	11
Warmest spring	Chilliwack, BC	10.19
Warmest year-round	Chilliwack, BC	10.51
Wettest location (rain and snow)	Prince Rupert, BC	2593.6
Windiest location year-round	St. John's, NL	23.33
Windiest summer	St. John's, NL	20.57
Windiest winter	St. John's, NL	26.89

We'd like to hear from you! Please click "Contact Us" to share your comments and suggestions.

Common menu bar links

Institutional links

Proactive Disclosure

The "Weather Winners" Highlights