Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Renfrew, Ontario, Canada with other places around the world.
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.
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 |
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.
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 |
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.
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 |