June 2018 – Cold nights, plenty of rain

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Ogilvie Brook, Irishtown Nature Park, 24 June 2018 (Dearing)

Greater Moncton has endured the coolest June in recent memory and while daytime highs were close to normal – with a few exceptions – overnight lows were cold, even frosty at times during the first half of the month.

A hard frost on 04 June with a record breaking low of -3.2 C was devastating for agriculture across New Brunswick especially in the Southeast.

Farmers suffered major damage – in some cases 50 to 80 percent losses – to crops such as grapes, strawberries and blueberries.

Oddly enough, the temperature had not been that low in all of May and not since 16 April had it been at least that cold.

Rainfall was about 60 percent above normal and was confined to a handful of major rain events with nine days being completely dry.

JUNE 2018 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  20.3°C

Average LOW  6.6°C

AVERAGE  13.5°C (about 1.7 degrees BELOW normal)

Extreme HIGH  29.7°C (01 June)

Extreme LOW  -3.2°C (04 June)

RAINFALL  154.0 mm (about 60 percent ABOVE normal)

(Data courtesy Environment Canada)

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Goodbye Spring!

Dorchester Beach, NB, 17 June 2018 (Dearing)

Spring had its inevitable ups and downs in Southeast New Brunswick but overall the average temperature was close to normal for March, April and May.

March was very stormy with a parade of Nor’easters which led to the highest snow depth of the winter in Greater Moncton by the end of the month.

April was slightly colder than normal with chilly nights until mid-month and the last measurable snow fell on the 21st.

May had slightly above normal temperatures overall thanks to 14 days with daytime highs of 20 C or more but nights remained cold with single digit lows.

So far this June, the mean temperature is running three degrees below average with a hard frost on the 4th which was the coldest minimum since 16 April.

METEOROLOGICAL SPRING at the Greater Moncton International Airport

MARCH 2018
Average -1.7 C (1.2 degrees ABOVE normal)
Snowfall: well above normal, Rainfall: well below normal

APRIL 2018
Average 3.2 C (0.3 degrees BELOW normal)
Snowfall: below normal, Rainfall: above normal

MAY 2018
Average 10.3 C (0.3 degrees ABOVE normal)
Rainfall: below normal, Snowfall: nil

NB flood by numbers

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Flooding forces closure of Randolph Bridge on west side of Saint John, 05 May 2018 (Twitter/City of Saint John)

Some residents are still recovering from the historic spring flooding along the southern St. John River and its tributaries.

Flood levels were elevated between 27 April and 18 May affecting Fredericton, Saint John and areas in between.

By the numbers (provided by Government of New Brunswick):

  • 12,000 – properties affected by flooding to some degree
  • 2,627 – residents who registered for disaster financial assistance
  • 1,871 – residents who asked for health and safety inspection of properties
  • 1,110 – households registered with the Canadian Red Cross
  • 4,000 – tonnes of debris from flood dumped at landfills

May 2018 – Warm days, cold nights

Magnolia trees in bloom at Moncton City Hall, 16 May 2018 (Dearing)

While daytime highs were near or slightly above normal during May in Greater Moncton, overnight lows were chilly with frost and freezing temperatures throughout the month.

Fourteen days had highs of 20 C or more while eight days had lows near or slightly below freezing.

Precipitation was slightly below normal with most of the rainfall recorded during the first third of the month.

By mid-month, the landscape become more colourful as trees and bushes began to bloom and leaf out.

MAY 2018 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  18.1°C

Average LOW  2.5°C

AVERAGE  10.3°C (about 0.3 degrees ABOVE normal)

Extreme HIGH  27.8°C (31 May)

Extreme LOW  -2.0°C (12 May)

RAINFALL  82.5 mm (about 15 percent BELOW normal)

(Data courtesy Environment Canada)

Mini heat wave

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Thanks to high pressure and a jet stream surging north, New Brunswick will feel the heat over the next two days.

Greater Moncton is expecting a high of 30 C today and 31 C tomorrow with humidex values between 30 and 36.

Environment Canada says the warmest conditions will be from mid-afternoon to early evening and precautions should be taken in extreme heat.

The passing of a cold front this weekend will bring temperatures closer to normal.

TWN unveils summer forecast

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Spring has sputtered in New Brunswick – it was nowhere to be found in March, finally appeared in late April and although May has had a few warm days, the month is still running slightly below normal in Greater Moncton.

So what about summer?

In its seasonal forecast, the Weather Network believes a cool June should give way to more consistent warm weather during July and August.

A humid summer is expected which may result in warmer than normal temperatures at night – overnight lows average about 12 C.

While periods of dry weather are expected, heavy showers and thunderstorms should bring rain totals to near normal for the season.

Late spring snowstorm strikes Newfoundland

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Highway camera image courtesy NL Government

While not uncommon, the end of May is still late – and record breaking – for a significant snowfall of 36 cm in Gander.

A low pressure system brought strong winds and rain which turned to snow over northeast Newfoundland when the temperature fell to the freezing point.

Burgeo recorded a peak wind gust of 95 km/h as did Bonavista which also picked up 40 mm of rain.

Snowfall totals as of 3:30pm NDT:

  • Gander  36 cm
  • Lewisporte  26 cm
  • Badger  16 cm
  • Twillingate  11 cm

Snow in late May!!!

While a snowflake or two is common in early May in New Brunswick, accumulating snow is rare in the latter part of the month.

A cold front pushed through the province today and with a change in wind direction from south to north, precipitation changed from rain to snow and the thermometer plummeted.

Bathurst and Miramichi both reported snow today and in some areas it began to stick to the ground while thunderstorms rolled through further south.

In Greater Moncton, the temperature drop was dramatic with a high of 16 C at 11am and by 4pm it was only 5 C.

Meantime, parts of central Newfoundland are under a snowfall warning with 15 to 30 cm in the forecast.

Last frost of spring?

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Frost covers a maple leaf (Twitter)


When the temperature dropped to -0.3 C early this morning, frost could be found in Greater Moncton.

The coldest low in New Brunswick was -5.9 C at Edmundston!

Thanks to cool, dry air with no cloud cover, Environment Canada has issued another frost advisory for tonight.

But keep in mind it’s not that unusual based on the 30-year average (1981-2010).

The average last spring frost date is 23 May in Greater Moncton and the first fall frost is 2 October for a growing season of 131 days.

Strong winds cause destruction in Eastern Canada

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Tree falls near school bus in Mississauga, Ontario, 04 May 2018 (Twitter/Peel Regional Police)

A rapidly deepening low pressure system created strong winds gusting to hurricane-strength across Southern Ontario and Southern Quebec on Friday knocking down trees and power lines causing massive outages.

Three people were killed by fallen trees and a school bus filled with children in Mississauga had a near miss.

Toronto Pearson Airport had a maximum wind gust of 119 km/h while Montreal Trudeau Airport recorded 117 km/h – both are the windiest days ever in May.

Winds were also powerful on Saturday in Greater Moncton with a wind gust of 100 km/h – the strongest since January.