Monthly climate in Renfrew, Ontario, Canada

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Renfrew features a humid continental climate (Dfb). Temperatures typically range between -9 °C (16 °F) and 21 °C (70 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1064 mm (41.9 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually. Renfrew enjoys an average of 2711 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 36 minutes per day.

Monthly average temperatures in Renfrew, Ontario, Canada §

The warmest months in Renfrew are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (16 - 22 °F) throughout the day. On average each year, Renfrew experiences 51 days above 25 °C (77.0 °F) and 152 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Renfrew, 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 9°C
(49°F)
11°C
(52°F)
21°C
(71°F)
27°C
(81°F)
34°C
(94°F)
34°C
(94°F)
36°C
(97°F)
33°C
(91°F)
33°C
(91°F)
27°C
(81°F)
23°C
(74°F)
15°C
(59°F)
Mean maximum 4°C
(40°F)
8°C
(46°F)
13°C
(55°F)
21°C
(69°F)
30°C
(87°F)
32°C
(89°F)
33°C
(91°F)
31°C
(87°F)
28°C
(83°F)
24°C
(75°F)
14°C
(58°F)
9°C
(48°F)
Average high -5°C
(24°F)
-3°C
(28°F)
2°C
(36°F)
10°C
(50°F)
18°C
(65°F)
23°C
(74°F)
27°C
(80°F)
25°C
(77°F)
21°C
(70°F)
13°C
(56°F)
4°C
(39°F)
-2°C
(28°F)
Daily mean -9°C
(16°F)
-8°C
(18°F)
-3°C
(27°F)
5°C
(41°F)
12°C
(55°F)
18°C
(64°F)
21°C
(70°F)
19°C
(67°F)
15°C
(59°F)
8°C
(48°F)
-0°C
(32°F)
-6°C
(22°F)
Average low -14°C
(8°F)
-13°C
(9°F)
-8°C
(18°F)
0°C
(32°F)
6°C
(44°F)
12°C
(53°F)
15°C
(60°F)
14°C
(58°F)
10°C
(50°F)
4°C
(40°F)
-4°C
(25°F)
-10°C
(14°F)
Mean minimum -27°C
(-17°F)
-26°C
(-15°F)
-22°C
(-8°F)
-8°C
(17°F)
-2°C
(29°F)
6°C
(43°F)
10°C
(51°F)
8°C
(47°F)
3°C
(37°F)
-3°C
(27°F)
-15°C
(5°F)
-23°C
(-9°F)
Minimum -33°C
(-28°F)
-29°C
(-20°F)
-28°C
(-19°F)
-15°C
(6°F)
-4°C
(24°F)
1°C
(35°F)
9°C
(48°F)
6°C
(44°F)
-1°C
(31°F)
-6°C
(21°F)
-22°C
(-8°F)
-30°C
(-22°F)

Compare climate in Renfrew with other places

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

Monthly average precipitation in Renfrew, Ontario, Canada §

Renfrew usually has the most precipitation in May, August and October, with an average of 12 rainy days and 110 mm (4.3 inches) of precipitation per month. The driest months in Renfrew are January, February and September. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Renfrew, 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) 68 (2.7) 70 (2.8) 74 (2.9) 109 (4.3) 111 (4.4) 92 (3.6) 99 (3.9) 110 (4.3) 66 (2.6) 110 (4.3) 82 (3.2) 73 (2.9)
Average precipitation days (≥ 1 mm) 10 11 11 13 13 13 12 13 10 12 13 12

Monthly sunshine hours in Renfrew, Ontario, Canada §

The sunniest months in Renfrew are June, July and August, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Renfrew: January, November and December receive an average of 4 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Renfrew, 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 109 163 235 226 276 308 348 314 267 194 143 122
Mean daily daylight hours 9h 9m 10h 23m 11h 57m 13h 33m 14h 54m 15h 36m 15h 13m 14h 0m 12h 28m 10h 52m 9h 28m 8h 45m

Solar UV radiation in Renfrew, Ontario, Canada §

Renfrew experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 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 Renfrew UV Index data.

Average daily maximum UV levels by month for Renfrew, 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 9 9 7 5 3 2

Detailed Monthly Weather Insights for Renfrew, Ontario, Canada

Discover in-depth weather details for every month in Renfrew. 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 Renfrew'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.