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July 2015: Warm And Dry; Then Some Cool And Wet

July statistics

After the cool and damp June, July did begin with a decent stretch of warm and dry weather.  However, there was a period of cool and damp weather in a number of communities around the third week of July, that ended up impacting the overall perception of the month.  Sydney only had two days that reached 20C in the 10 day period between July 20th and 29th (when I visited Cape Breton). This impacted the high temperature average of 20.5, which was much cooler than the normal 23.1C.  Most other locations were near or slightly below the normal of 23 to 25C.

Screen Shot 2015-08-01 at 8.36.20 PM

Western sections of the Maritimes received a half or less of the average rainfall.  Moncton was closer to normal.  Halifax and Sydney had 30 or 40 percent higher than normal rainfalls.  In fact, during the cool period, Sydney received over 95mm, and Halifax over 90mm of rainfall.  Anyone with the last two weeks of July as vacation can attest to this!

Nevertheless, Cape Breton was not even close to what happened in Newfoundland, where it was the coldest ever July in St. John’s:

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Now that we are in August, the month has started quite nicely in the Maritimes.  However, St. John’s was still chilly Saturday afternoon.

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The long weekend continues warm and dry.  However, looking at the ensemble of 40 models, next week looks turn a bit cooler, with passing showers most likely late Tuesday or Wednesday… and possible again going into the weekend.

Screen Shot 2015-08-01 at 8.47.04 PM


The extended chart shows the West and central Arctic remaining warm, under a ridge.  With a trough and cool pattern over Ontario-Quebec, I would say August will have some variety, but end up with temperatures near or a bit warmer than normal:

Screen Shot 2015-08-01 at 8.53.25 PM

I love August… and I’ll be turning 60 later this month… hoping for great weather for an outdoor party.

About Jim Abraham

Jim has spent about 40 years in the weather business. He has been an operational forecaster from Halifax to Whitehorse. Jim started the Canadian Hurricane Centre, and has flown into a couple of these storms. As a senior executive within Environment Canada, Jim has managed weather research, weather services, and weather/water/climate observing programs. Retired from Environment Canada, Jim is the Atlantic Director for the Canadian Climate Forum, the president of the Halifax chapter of the Canadian Meteorological & Oceanographic Society, a partner in Climaction Services, and a part-time meteorologist on CBC radio. He is still participating in national and international activities related to weather preparedness. Having witnessed unprecedented advances in the science and technology of meteorology. Jim hopes that this blog will also be educational; enabling users to better understand weather-related phenomena, better interpret available information, and ultimately better able to make decisions to protect themselves, their family and their property. Jim welcomes any questions and suggestions.


The views and opinions expressed in this content are those of the author and do not necessarily reflect those of haligonia.ca.


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