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Monthly climate in Moncton, New Brunswick, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Moncton features a humid continental climate (Dfb).Temperatures typically range between -6 °C (21 °F) and 19 °C (67 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1134 mm (44.7 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.Moncton enjoys an average of 2838 hours of sunshine throughout the year, and daylight varies from 8 hours 41 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Moncton, New Brunswick, Canada §

The warmest months in Moncton are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (60 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (21 - 26 °F) throughout the day. On average each year, Moncton experiences 32 days above 25 °C (77.0 °F) and 145 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Moncton, New Brunswick, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 15°C
(60°F)		 12°C
(53°F)		 18°C
(65°F)		 21°C
(70°F)		 28°C
(82°F)		 33°C
(92°F)		 33°C
(92°F)		 30°C
(87°F)		 31°C
(88°F)		 24°C
(76°F)		 22°C
(72°F)		 15°C
(59°F)
Mean maximum 9°C
(49°F)		 8°C
(47°F)		 11°C
(53°F)		 18°C
(64°F)		 25°C
(76°F)		 26°C
(80°F)		 30°C
(87°F)		 30°C
(86°F)		 27°C
(81°F)		 21°C
(70°F)		 18°C
(65°F)		 13°C
(56°F)
Average high -2°C
(29°F)		 -1°C
(31°F)		 2°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 21°C
(70°F)		 24°C
(76°F)		 25°C
(77°F)		 20°C
(68°F)		 14°C
(57°F)		 6°C
(44°F)		 1°C
(34°F)
Daily mean -6°C
(21°F)		 -6°C
(22°F)		 -2°C
(28°F)		 4°C
(40°F)		 10°C
(50°F)		 16°C
(60°F)		 19°C
(67°F)		 19°C
(67°F)		 15°C
(59°F)		 9°C
(48°F)		 2°C
(37°F)		 -3°C
(26°F)
Average low -11°C
(12°F)		 -11°C
(13°F)		 -7°C
(21°F)		 0°C
(33°F)		 4°C
(40°F)		 10°C
(51°F)		 14°C
(58°F)		 14°C
(58°F)		 10°C
(51°F)		 5°C
(41°F)		 -1°C
(30°F)		 -7°C
(19°F)
Mean minimum -22°C
(-8°F)		 -22°C
(-7°F)		 -17°C
(1°F)		 -6°C
(22°F)		 -1°C
(31°F)		 3°C
(38°F)		 9°C
(48°F)		 8°C
(47°F)		 2°C
(36°F)		 -3°C
(27°F)		 -10°C
(15°F)		 -18°C
(1°F)
Minimum -28°C
(-18°F)		 -25°C
(-13°F)		 -20°C
(-4°F)		 -10°C
(15°F)		 -3°C
(27°F)		 -1°C
(30°F)		 7°C
(45°F)		 7°C
(44°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -16°C
(3°F)		 -22°C
(-7°F)

Compare climate in Moncton with other places

Compare temperature, precipitation, sunshine, UV index in Moncton, New Brunswick, Canada with other places around the world.

Monthly average precipitation in Moncton, New Brunswick, Canada §

Moncton usually has the most precipitation in May, November and December, with an average of 13 rainy days and 117 mm (4.6 inches) of precipitation per month.The driest months in Moncton are March, August and October. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Moncton, New Brunswick, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 92 (3.6) 101 (4.0) 78 (3.1) 91 (3.6) 104 (4.1) 97 (3.8) 82 (3.2) 72 (2.8) 90 (3.5) 80 (3.2) 145 (5.7) 103 (4.0)
Average precipitation days (≥ 1 mm) 10 11 11 12 13 12 11 10 11 10 14 12

Monthly sunshine hours in Moncton, New Brunswick, Canada §

The sunniest months in Moncton are June, July and August, when the sun shines an average of 10 hours 40 minutes a day.Least sunny months in Moncton: January, November and December receive an average of 4 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Moncton, New Brunswick, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 119 189 235 223 286 321 328 332 272 220 152 157
Mean daily daylight hours 9h 5m 10h 21m 11h 57m 13h 35m 14h 58m 15h 41m 15h 18m 14h 3m 12h 28m 10h 51m 9h 25m 8h 41m

Solar UV radiation in Moncton, New Brunswick, Canada §

Moncton experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Moncton UV Index data.

Average daily maximum UV levels by month for Moncton, New Brunswick, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 9 10 8 8 7 5 3 2