January 2018 – Turbulent

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The Petitcodiac River in Moncton looking toward Dieppe, 28 January 2018 (Dearing)

The first month of 2018 proved to be quite a roller coaster ride in Southeast New Brunswick.

Bitter cold to begin January was briefly erased by a fast-moving ‘bomb cyclone’ until another Arctic blast sunk the low to -22.3 C with a bitter wind chill of -36.

A record thaw saw the thermometer climb to 16.7 C in Greater Moncton – the highest ever in January – and a new all-time provincial high of 17.3 C in Sussex.

Precipitation was above average overall with near normal snowfall – 25 cm was the heaviest snow event on 30-31 – and about twice as much rainfall.

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

Average HIGH  -2.0 C

Average LOW  -12.6 C

AVERAGE  -7.4 C (1.5 degrees ABOVE normal)

Extreme HIGH  16.7 C (13 Jan, new all-time monthly high)

Extreme LOW  -22.3 C (07 Jan)

RAINFALL  53.3 mm (almost 50 percent ABOVE normal)

SNOWFALL  77.2 cm (NEAR normal)

(Data courtesy Environment Canada)

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December 2017 – Cold and dry

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Heavy snow falling in northeast Moncton, 09 Dec 2017 (Dearing)

December in Southeast New Brunswick started out on a normal note with above freezing daytime highs and chilly but not frigid overnight lows.

But an early Arctic blast settled in over the Maritimes by mid-month and Greater Moncton had five days below -10 C with four nights plunging to -20 C or lower.

After near normal precipitation last month, both rainfall and snowfall were below normal for December.

Two major snow events were recorded on 9-10 Dec (16 cm) and 25 Dec (20 cm) with a significant rainfall on 23 Dec (10 mm).

DECEMBER 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  -2.5 C

Average LOW  -10.7 C

AVERAGE  -6.6 C (1.8 degrees BELOW normal)

Extreme HIGH  11.1 C (06 Dec)

Extreme LOW  -21.8 C (31 Dec)

RAINFALL  39.1 mm (almost 30 percent BELOW normal)

SNOWFALL  51.4 cm (almost 20 percent BELOW normal)

(Data courtesy Environment Canada)

November 2017 – Seesaw temperatures

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Wildflowers and annuals in northeast Moncton, 03 Nov 2017 (Dearing)

As dark and dreary as November seems in Southeast New Brunswick, temperatures can often be volatile and this month was no exception.

Greater Moncton had at least five dramatic temperature swings starting on 10-11 November with a high of 10 C falling to -7 C with strong winds gusting up 69 km/h and the first snow flurries of the season.

The monthly mean of 1.9 C was exactly normal with highs near 20 C on two days early in the month while two days remained below freezing.

Overall precipitation was near normal for the first time since May although snowfall at 3.2 cm was well below normal.

NOVEMBER 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  7.2 C

Average LOW  -3.3 C

AVERAGE  1.9 C (Normal)

Extreme HIGH  19.8 C (06 Nov)

Extreme LOW  -10.6 C (28 Nov)

RAINFALL  101.8 mm (NEAR normal)

SNOWFALL  3.2 cm (about 80 percent BELOW normal)

(Data courtesy Environment Canada)

September 2017 – Summer continues

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Maple leaves changing colour in Fairview Knoll Park, Moncton, 04 Sept 2017 (Dearing)

September turned out to be a continuation of summer in Southeast New Brunswick right up until month end.

Daytime highs in Greater Moncton climbed above 25 C on ten days and a monthly maximum of 31.1 C turned out to be the warmest of 2017 set in early fall (26 Sept).

Although hurricanes never directly affected the province, meteorologists say much of the warmth last month came from tropical air pushed northward from these storms.

Rainfall was exactly normal but almost all of the precipitation fell during a single rain event spread over two days (6-7 Sept).

SEPTEMBER 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  22.3 C

Average LOW  9.4 C

AVERAGE  15.8 C (about 2.2 degrees ABOVE normal)

Extreme HIGH  31.1 C (26 Sept, warmest high of 2017)

Extreme LOW  0.6 C (30 Sept)

RAINFALL  93.5 mm (Exactly NORMAL)

(Data courtesy Environment Canada)

August 2017 – Dry summer persists

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Extremely dry ground and brown grass in NE Moncton, 30 Aug 2017 (Dearing)

The dry summer in Southeast New Brunswick continued in August with a dangerous forest fire hazard and little precipitation to soak the parched ground.

A dry trend which began in late June continued during the month with less than 50 mm of rain falling in Greater Moncton.

Temperatures were above normal with daytime highs consistently in the high 20’s Celsius but a string of single digit overnight lows during the final week brought down the overall monthly average.

AUGUST 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 25.6 C

Average LOW 11.9 C

AVERAGE 18.9 C (about 0.7 degrees ABOVE normal)

Extreme HIGH 30.6 C (04 Aug)

Extreme LOW 7.2 C (28 Aug)

RAINFALL 46.8 mm (about 40 percent BELOW normal)

(Data courtesy Environment Canada)

July 2017 – Warm and dry

Upper Salmon River, Alma, NB, 30 July 2017 (Dearing)

As the month of July progressed in Southeast New Brunswick, lawns turned brown and forests became extremely dry as temperatures soared and little rain fell.

Greater Moncton only received one-third of its normal monthly rainfall and 15 days had no precipitation at all.

The heat was steady throughout July with 20 days reaching 25 C or higher and four days climbing to 30 C or more.

A brief cool down near month end lowered daytime highs to the low 20s Celsius and brought a chilly overnight low of 6.9 C.

JULY 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 26.0 C

Average LOW 12.3 C

AVERAGE 19.2 C (about 0.4 degrees ABOVE normal)

Extreme HIGH 30.5 C (31 July)

Extreme LOW 6.9 C (23 July)

RAINFALL 30.0 mm (about 67 percent BELOW normal)

(Data courtesy Environment Canada)

June 2017 – Warm and unsettled

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Ominous clouds near the Nova Scotia-New Brunswick border, 03 June 2017 (Dearing)

Thunderstorm activity was common throughout Southeast New Brunswick in June and all but ten days had at least a trace of rainfall.

But precipitation amounts were generally light in Greater Moncton except for two major rain events – 36.6 mm fell on 09 June along with a peak wind gust of 102 km/h and 21.2 mm fell on 24 June.

Temperatures were cool during the first week of the month with an overnight low dropping to the freezing point although frost was generally avoided thanks to cloudy skies.

Summer-like conditions arrived by mid-month and many daytime highs climbed well into the 20’s C and reached 30 C or higher three times.

JUNE 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  22.4 C

Average LOW  9.9 C

AVERAGE 16.2 C (about 1.0 degree ABOVE normal)

Extreme HIGH  30.8 C (11 June)

Extreme LOW  0.0 C (06 June)

RAINFALL  77.8 mm (about 20 percent BELOW normal)

(Data courtesy Environment Canada)

May 2017 – Wet and cloudy

Trailing arbutus or Mayflower growing in Irishtown Nature Park, 20 May 2017 (Dearing)


May in Southeast New Brunswick certainly lived up to its unpredictable nature as a transitional month between winter and summer.

Overall temperatures were above normal in Greater Moncton but oddly enough some of the coolest days were in the last third of the month.

Many days were cloudy and rainfall was heavy with only seven days without at least a trace of precipitation.

By the final week, trees were in full leaf or blossom and perennials were in full bloom.

MAY 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 16.1 C

Average LOW  5.1 C

AVERAGE 10.8 C (about 0.8 degrees ABOVE normal)

Extreme HIGH 30.5 C (18 May)

Extreme LOW -0.4 C (13 May)

RAINFALL 163.5 mm (about 40 percent ABOVE normal)

(Data courtesy Environment Canada)

April 2017 – Spring sputters

Budding trees in Fairview Knoll Park, Moncton, 30 April 2017 (Dearing)

Spring seldom arrives on time in New Brunswick and this year is no exception even though April was actually warmer than normal in Greater Moncton.

The month can be broken into four segments – cold in the beginning, then warm, turning cold again and finally warm again near the end.

A consistent snow cover began on 27 November and disappeared briefly in late January before finally melting for the season by 10 April.

Precipitation overall was below average with much less snow than normal.

APRIL 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 10.5 C

Average LOW -0.8 C

AVERAGE 4.9 C (about 1.4 degrees ABOVE normal)

Extreme HIGH 21.8 C (27 April)

Extreme LOW -7.7 C (01, 19 April)

RAINFALL 42.5 mm (about 30 percent BELOW normal)

SNOWFALL 6.8 cm (about 75 percent BELOW normal)

(Data courtesy Environment Canada)

March 2017 – Cold and snowy

Walking trail in Irishtown Nature Park, Moncton, 18 March 2017 (Dearing)

Winter just wouldn’t let go of its grip on Southeast New Brunswick during March. 

Overnight lows were extremely cold especially during the first half of the month. 

Daytime highs were often very chilly and barely climbed above freezing even during the last week. 

Oddly enough, the maximum temperature in February was actually warmer than all of March. 

Precipitation was below normal overall but snow did fall on 22 of 31 days. 

MARCH 2017 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH 0.3 C

Average LOW -9.0 C
AVERAGE -4.4 C (about 1.5 degrees BELOW normal)

Extreme HIGH 9.7 C (01 March)

Extreme LOW -20.1 C (11 March)

RAINFALL 17.6 mm (about 65 percent BELOW normal)

SNOWFALL 53.1 cm (about 20 percent BELOW normal)

(courtesy Environment Canada)