nomadseason

Monthly climate in Clarence-Rockland, Ontario, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clarence-Rockland features a humid continental climate (Dfb).Temperatures typically range between -9 °C (17 °F) and 22 °C (71 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1176 mm (46.3 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Clarence-Rockland enjoys an average of 2737 hours of sunshine throughout the year, and daylight varies from 8 hours 44 minutes to 15 hours 37 minutes per day.

Monthly average temperatures in Clarence-Rockland, Ontario, Canada §

The warmest months in Clarence-Rockland are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -5 °C (17 - 22 °F) throughout the day. On average each year, Clarence-Rockland experiences 56 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 Clarence-Rockland, Ontario, 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 12°C
(53°F)		 12°C
(53°F)		 20°C
(68°F)		 27°C
(80°F)		 36°C
(96°F)		 34°C
(93°F)		 35°C
(96°F)		 32°C
(90°F)		 32°C
(91°F)		 27°C
(81°F)		 22°C
(71°F)		 14°C
(58°F)
Mean maximum 5°C
(42°F)		 8°C
(46°F)		 12°C
(54°F)		 21°C
(71°F)		 31°C
(87°F)		 31°C
(87°F)		 32°C
(90°F)		 30°C
(87°F)		 29°C
(84°F)		 23°C
(74°F)		 15°C
(59°F)		 10°C
(50°F)
Average high -5°C
(24°F)		 -2°C
(28°F)		 2°C
(36°F)		 11°C
(51°F)		 19°C
(67°F)		 24°C
(75°F)		 27°C
(81°F)		 25°C
(78°F)		 21°C
(70°F)		 14°C
(57°F)		 4°C
(40°F)		 -2°C
(29°F)
Daily mean -9°C
(17°F)		 -7°C
(19°F)		 -2°C
(28°F)		 6°C
(42°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(71°F)		 20°C
(68°F)		 16°C
(60°F)		 9°C
(49°F)		 1°C
(33°F)		 -5°C
(22°F)
Average low -13°C
(8°F)		 -12°C
(10°F)		 -7°C
(19°F)		 1°C
(34°F)		 8°C
(46°F)		 13°C
(55°F)		 16°C
(61°F)		 15°C
(59°F)		 11°C
(51°F)		 5°C
(41°F)		 -3°C
(26°F)		 -9°C
(15°F)
Mean minimum -27°C
(-16°F)		 -25°C
(-12°F)		 -20°C
(-4°F)		 -7°C
(21°F)		 -0°C
(32°F)		 7°C
(44°F)		 10°C
(51°F)		 8°C
(47°F)		 3°C
(38°F)		 -3°C
(27°F)		 -15°C
(5°F)		 -22°C
(-8°F)
Minimum -32°C
(-26°F)		 -28°C
(-18°F)		 -24°C
(-10°F)		 -11°C
(12°F)		 -3°C
(27°F)		 2°C
(36°F)		 9°C
(48°F)		 6°C
(44°F)		 -0°C
(31°F)		 -6°C
(21°F)		 -22°C
(-7°F)		 -29°C
(-20°F)

Compare climate in Clarence-Rockland with other places

Compare temperature, precipitation, sunshine, UV index in Clarence-Rockland, Ontario, Canada with other places around the world.

Monthly average precipitation in Clarence-Rockland, Ontario, Canada §

Clarence-Rockland usually has the most precipitation in May, July and October, with an average of 12 rainy days and 122 mm (4.8 inches) of precipitation per month.The driest months in Clarence-Rockland are January, February and September. On average, 79 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clarence-Rockland, Ontario, 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) 79 (3.1) 82 (3.2) 88 (3.4) 115 (4.5) 117 (4.6) 99 (3.9) 120 (4.7) 90 (3.5) 77 (3.0) 128 (5.0) 99 (3.9) 84 (3.3)
Average precipitation days (≥ 1 mm) 10 12 11 13 13 13 13 13 9 12 13 11

Monthly sunshine hours in Clarence-Rockland, Ontario, Canada §

The sunniest months in Clarence-Rockland are June, July and August, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Clarence-Rockland: January, November and December receive an average of 4 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clarence-Rockland, Ontario, 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 114 154 235 227 281 316 349 316 271 192 145 131
Mean daily daylight hours 9h 8m 10h 23m 11h 57m 13h 33m 14h 55m 15h 37m 15h 14m 14h 1m 12h 28m 10h 52m 9h 28m 8h 44m

Solar UV radiation in Clarence-Rockland, Ontario, Canada §

Clarence-Rockland experiences the highest level of ultraviolet (UV) radiation in April, May and June, when the maximum UV index can reach values of 8 - 9, 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 Clarence-Rockland UV Index data.

Average daily maximum UV levels by month for Clarence-Rockland, Ontario, 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 8 9 9 8 8 7 5 3 2