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Monthly climate in Killam, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Killam features a humid continental climate (Dfb). Temperatures typically range between -14 °C (8 °F) and 17 °C (64 °F) through the year, but rarely can drop to -40 °C (-41 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 465 mm (18.3 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually. Killam enjoys an average of 2997 hours of sunshine throughout the year, and daylight varies from 7 hours 40 minutes to 16 hours 47 minutes per day.

Monthly average temperatures in Killam, Canada

The warmest months in Killam are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -10 °C (8 - 15 °F) throughout the day. On average each year, Killam experiences 28 days above 25 °C (77.0 °F) and 184 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Killam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(42°F)		7°C
(45°F)		17°C
(63°F)		26°C
(80°F)		31°C
(88°F)		35°C
(96°F)		36°C
(97°F)		36°C
(97°F)		32°C
(90°F)		25°C
(77°F)		19°C
(67°F)		7°C
(44°F)
Mean maximum5°C
(40°F)		5°C
(41°F)		11°C
(52°F)		21°C
(71°F)		28°C
(82°F)		28°C
(83°F)		32°C
(90°F)		33°C
(91°F)		27°C
(82°F)		22°C
(71°F)		11°C
(52°F)		5°C
(42°F)
Average high-7°C
(20°F)		-9°C
(16°F)		-0°C
(32°F)		8°C
(47°F)		18°C
(64°F)		21°C
(70°F)		23°C
(75°F)		23°C
(74°F)		17°C
(63°F)		9°C
(49°F)		-0°C
(32°F)		-6°C
(22°F)
Daily mean-11°C
(12°F)		-14°C
(8°F)		-6°C
(22°F)		2°C
(36°F)		11°C
(53°F)		16°C
(60°F)		17°C
(64°F)		16°C
(62°F)		11°C
(52°F)		3°C
(38°F)		-5°C
(23°F)		-10°C
(15°F)
Average low-15°C
(4°F)		-19°C
(-1°F)		-10°C
(14°F)		-4°C
(25°F)		4°C
(40°F)		9°C
(49°F)		11°C
(52°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(29°F)		-9°C
(16°F)		-14°C
(8°F)
Mean minimum-33°C
(-27°F)		-34°C
(-29°F)		-25°C
(-13°F)		-15°C
(6°F)		-3°C
(27°F)		3°C
(38°F)		7°C
(44°F)		4°C
(39°F)		-1°C
(30°F)		-10°C
(15°F)		-22°C
(-8°F)		-28°C
(-19°F)
Minimum-39°C
(-38°F)		-39°C
(-38°F)		-34°C
(-29°F)		-27°C
(-16°F)		-7°C
(19°F)		2°C
(35°F)		5°C
(41°F)		3°C
(37°F)		-3°C
(27°F)		-14°C
(8°F)		-25°C
(-13°F)		-40°C
(-41°F)

Compare climate in Killam with other places

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

Monthly average precipitation in Killam, Canada

Killam usually has the most precipitation in June, July and August, with an average of 11 rainy days and 75 mm (3.0 inches) of precipitation per month. The driest months in Killam are January, February and December. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Killam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.5)17 (0.7)23 (0.9)25 (1.0)53 (2.1)91 (3.6)77 (3.0)57 (2.2)35 (1.4)27 (1.1)29 (1.2)15 (0.6)
Average precipitation days (≥ 1 mm)55558131288664

Monthly sunshine hours in Killam, Canada

The sunniest months in Killam are May, June and July, when the sun shines an average of 11 hours 30 minutes a day. Least sunny months in Killam: January, November and December receive an average of 4 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Killam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours119181250285337347373333238214158155
Mean daily daylight hours8h 13m9h 53m11h 55m14h 0m15h 50m16h 47m16h 15m14h 36m12h 35m10h 31m8h 39m7h 40m

Solar UV radiation in Killam, Canada

Killam experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Killam UV Index data.

Average daily maximum UV levels by month for Killam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678876421