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Monthly climate in Oromocto, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oromocto features a humid continental climate (Dfb). Temperatures typically range between -7 °C (20 °F) and 20 °C (68 °F) through the year, but rarely can drop to -30 °C (-23 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1190 mm (46.9 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually. Oromocto enjoys an average of 2777 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Oromocto, Canada

The warmest months in Oromocto are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (62 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -4 °C (20 - 26 °F) throughout the day. On average each year, Oromocto experiences 41 days above 25 °C (77.0 °F) and 143 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oromocto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		14°C
(57°F)		21°C
(70°F)		23°C
(73°F)		32°C
(91°F)		36°C
(97°F)		35°C
(95°F)		32°C
(90°F)		33°C
(91°F)		25°C
(77°F)		23°C
(74°F)		15°C
(60°F)
Mean maximum9°C
(49°F)		10°C
(50°F)		13°C
(56°F)		19°C
(66°F)		29°C
(84°F)		29°C
(85°F)		32°C
(89°F)		31°C
(89°F)		29°C
(84°F)		22°C
(71°F)		18°C
(65°F)		13°C
(56°F)
Average high-2°C
(29°F)		-1°C
(31°F)		3°C
(38°F)		10°C
(51°F)		17°C
(63°F)		22°C
(73°F)		25°C
(78°F)		25°C
(78°F)		21°C
(70°F)		14°C
(57°F)		6°C
(44°F)		0°C
(33°F)
Daily mean-7°C
(20°F)		-6°C
(22°F)		-2°C
(29°F)		5°C
(42°F)		11°C
(52°F)		17°C
(62°F)		20°C
(68°F)		20°C
(68°F)		15°C
(60°F)		9°C
(49°F)		2°C
(36°F)		-4°C
(26°F)
Average low-11°C
(12°F)		-11°C
(12°F)		-6°C
(21°F)		1°C
(33°F)		5°C
(41°F)		10°C
(51°F)		14°C
(58°F)		14°C
(58°F)		10°C
(50°F)		5°C
(40°F)		-2°C
(28°F)		-8°C
(18°F)
Mean minimum-22°C
(-8°F)		-23°C
(-9°F)		-17°C
(1°F)		-5°C
(23°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(48°F)		7°C
(46°F)		2°C
(36°F)		-4°C
(26°F)		-11°C
(12°F)		-17°C
(1°F)
Minimum-30°C
(-23°F)		-27°C
(-17°F)		-21°C
(-5°F)		-8°C
(18°F)		-3°C
(27°F)		0°C
(32°F)		7°C
(45°F)		6°C
(43°F)		-1°C
(30°F)		-8°C
(18°F)		-18°C
(-1°F)		-22°C
(-8°F)

Compare climate in Oromocto with other places

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

Monthly average precipitation in Oromocto, Canada

Oromocto usually has the most precipitation in May, November and December, with an average of 12 rainy days and 121 mm (4.8 inches) of precipitation per month. The driest months in Oromocto are March, August and September. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oromocto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)98 (3.8)93 (3.7)77 (3.0)107 (4.2)111 (4.4)95 (3.7)92 (3.6)79 (3.1)90 (3.5)97 (3.8)140 (5.5)112 (4.4)
Average precipitation days (≥ 1 mm)8119121211121110111311

Monthly sunshine hours in Oromocto, Canada

The sunniest months in Oromocto are June, July and August, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Oromocto: January, November and December receive an average of 4 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oromocto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours131190240218276303307315264208162159
Mean daily daylight hours9h 6m10h 22m11h 57m13h 34m14h 57m15h 39m15h 16m14h 2m12h 28m10h 52m9h 26m8h 42m

Solar UV radiation in Oromocto, Canada

Oromocto experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, February 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 Oromocto UV Index data.

Average daily maximum UV levels by month for Oromocto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235799887532