Monthly climate in Petrolia, Ontario, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Petrolia features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 23 °C (73 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 992 mm (39.0 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually. Petrolia enjoys an average of 2932 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in Petrolia, Ontario, Canada §

The warmest months in Petrolia are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (69 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (27 - 33 °F) throughout the day. On average each year, Petrolia experiences 67 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Petrolia, 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 13°C
(55°F)
18°C
(65°F)
22°C
(72°F)
26°C
(80°F)
33°C
(91°F)
33°C
(91°F)
35°C
(95°F)
32°C
(90°F)
33°C
(91°F)
29°C
(84°F)
23°C
(74°F)
17°C
(62°F)
Mean maximum 10°C
(50°F)
13°C
(56°F)
19°C
(66°F)
23°C
(74°F)
30°C
(87°F)
32°C
(89°F)
33°C
(91°F)
31°C
(88°F)
31°C
(87°F)
27°C
(80°F)
16°C
(62°F)
14°C
(57°F)
Average high 0°C
(33°F)
2°C
(35°F)
7°C
(44°F)
12°C
(54°F)
19°C
(67°F)
25°C
(77°F)
27°C
(82°F)
27°C
(80°F)
23°C
(74°F)
16°C
(62°F)
7°C
(45°F)
3°C
(38°F)
Daily mean -3°C
(27°F)
-2°C
(28°F)
2°C
(36°F)
7°C
(46°F)
14°C
(58°F)
20°C
(69°F)
23°C
(73°F)
22°C
(72°F)
18°C
(65°F)
12°C
(54°F)
4°C
(40°F)
0°C
(33°F)
Average low -6°C
(21°F)
-6°C
(22°F)
-2°C
(28°F)
3°C
(38°F)
9°C
(49°F)
15°C
(59°F)
18°C
(64°F)
17°C
(63°F)
13°C
(56°F)
8°C
(47°F)
1°C
(34°F)
-3°C
(28°F)
Mean minimum -18°C
(0°F)
-17°C
(2°F)
-10°C
(14°F)
-4°C
(25°F)
0°C
(33°F)
10°C
(50°F)
12°C
(53°F)
11°C
(51°F)
6°C
(42°F)
-0°C
(32°F)
-8°C
(19°F)
-11°C
(13°F)
Minimum -24°C
(-10°F)
-24°C
(-11°F)
-15°C
(5°F)
-6°C
(22°F)
-2°C
(29°F)
6°C
(44°F)
10°C
(51°F)
7°C
(45°F)
2°C
(35°F)
-2°C
(29°F)
-14°C
(7°F)
-19°C
(-2°F)

Compare climate in Petrolia with other places

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

Monthly average precipitation in Petrolia, Ontario, Canada §

Petrolia usually has the most precipitation in May, June and October, with an average of 13 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Petrolia are January, March and December. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Petrolia, 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) 65 (2.6) 68 (2.7) 68 (2.7) 94 (3.7) 103 (4.0) 96 (3.8) 89 (3.5) 86 (3.4) 80 (3.2) 108 (4.2) 76 (3.0) 60 (2.4)
Average precipitation days (≥ 1 mm) 9 11 10 14 14 11 11 11 11 15 9 11

Monthly sunshine hours in Petrolia, Ontario, Canada §

The sunniest months in Petrolia are June, July and August, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Petrolia: January, February and December receive an average of 4 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Petrolia, 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 108 160 245 254 297 346 359 339 294 228 166 131
Mean daily daylight hours 9h 25m 10h 32m 11h 57m 13h 25m 14h 39m 15h 16m 14h 56m 13h 50m 12h 26m 10h 59m 9h 42m 9h 3m

Solar UV radiation in Petrolia, Ontario, Canada §

Petrolia experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, 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 4. For more detailed information, check out our hourly Petrolia UV Index data.

Average daily maximum UV levels by month for Petrolia, 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 10 9 9 7 5 4 2

Detailed Monthly Weather Insights for Petrolia, Ontario, Canada

Discover in-depth weather details for every month in Petrolia. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Petrolia's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.