Climate Insights for Algonquin

Leeds and Grenville Counties, Ontario, Canada

Hottest
July
27°C peak81°F peak
Coldest
February
-10°C low14°F low
Wettest
October
121 mm rain4.7 in rain
Best to Visit
June, September
Mild temps & low rain

Climate Overview

The climate in Algonquin is cool. The average annual temperature is 8°C and approximately 1,122 mm of precipitation falls per year. Algonquin receives a notable amount of rainfall throughout the year, including during its driest month. Algonquin is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -10°C. Snowfall occurs from January to December, with around 194cm accumulating over the season.The climate in Algonquin is cool. The average annual temperature is 47°F and approximately 44.2 in of precipitation falls per year. Algonquin receives a notable amount of rainfall throughout the year, including during its driest month. Algonquin is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to 14°F. Snowfall occurs from January to December, with around 77in accumulating over the season.

Temperature

-10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -2°Average: -6°Min: -10°FebMax: 0°Average: -5°Min: -10°MarMax: 5°Average: 0°Min: -4°AprMax: 12°Average: 7°Min: 2°MayMax: 20°Average: 14°Min: 8°JunMax: 24°Average: 19°Min: 13°JulMax: 27°Average: 22°Min: 17°AugMax: 26°Average: 21°Min: 16°SepMax: 22°Average: 17°Min: 12°OctMax: 15°Average: 10°Min: 7°NovMax: 7°Average: 3°Min: 0°DecMax: 0°Average: -3°Min: -6°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 28°FAverage: 21°FMin: 14°FFebMax: 32°FAverage: 22°FMin: 14°FMarMax: 41°FAverage: 32°FMin: 25°FAprMax: 54°FAverage: 44°FMin: 36°FMayMax: 68°FAverage: 57°FMin: 47°FJunMax: 76°FAverage: 66°FMin: 56°FJulMax: 81°FAverage: 71°FMin: 62°FAugMax: 79°FAverage: 69°FMin: 61°FSepMax: 72°FAverage: 62°FMin: 54°FOctMax: 59°FAverage: 51°FMin: 44°FNovMax: 44°FAverage: 37°FMin: 31°FDecMax: 33°FAverage: 27°FMin: 22°F
Max
Average
Min

Algonquin has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 22°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.Algonquin has a wide annual temperature range, spanning 67°F from the coldest to warmest months. The warmest month is July, when average highs reach 81°F and the mean temperature sits around 71°F. The coldest month is February, when overnight lows fall to 14°F and the daily average is 22°F. On average, daily temperatures fluctuate by about 17°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 14°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 80mmSnow: 47mmFebPrecipitation: 84mmSnow: 49mmMarPrecipitation: 91mmSnow: 29mmAprPrecipitation: 110mmSnow: 13mmMayPrecipitation: 91mmSnow: 0mmJunPrecipitation: 93mmSnow: 0mmJulPrecipitation: 110mmSnow: 0mmAugPrecipitation: 109mmSnow: 0mmSepPrecipitation: 60mmSnow: 0mmOctPrecipitation: 121mmSnow: 2mmNovPrecipitation: 84mmSnow: 18mmDecPrecipitation: 89mmSnow: 36mm
Precipitation
Snow
0in2in4in6in8in10in12in14in16in18inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 3.2inSnow (in): 18inFebPrecipitation: 3.3inSnow (in): 19inMarPrecipitation: 3.6inSnow (in): 11inAprPrecipitation: 4.3inSnow (in): 5inMayPrecipitation: 3.6inSnow (in): 0inJunPrecipitation: 3.7inSnow (in): 0inJulPrecipitation: 4.3inSnow (in): 0inAugPrecipitation: 4.3inSnow (in): 0inSepPrecipitation: 2.4inSnow (in): 0inOctPrecipitation: 4.7inSnow (in): 1inNovPrecipitation: 3.3inSnow (in): 7inDecPrecipitation: 3.5inSnow (in): 14in
Precipitation
Snow (in)

Algonquin is a moderately rainy area, receiving approximately 1,122 mm of precipitation annually, which averages out to around 93 mm per month. The wettest month is October, averaging 121 mm of rainfall. April and July also tend to see above-average precipitation. The driest month is September, with just 60 mm. That's 61 mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 194cm accumulating over the season. February typically sees the most snow at around 49cm.Algonquin is a moderately rainy area, receiving approximately 44.2 in of precipitation annually, which averages out to around 3.7 in per month. The wettest month is October, averaging 4.8 in of rainfall. April and July also tend to see above-average precipitation. The driest month is September, with just 2.4 in. That's 2.4 in less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 77in accumulating over the season. February typically sees the most snow at around 19in.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12km/hFebWind Speed: 12km/hMarWind Speed: 12km/hAprWind Speed: 12km/hMayWind Speed: 11km/hJunWind Speed: 11km/hJulWind Speed: 10km/hAugWind Speed: 10km/hSepWind Speed: 10km/hOctWind Speed: 12km/hNovWind Speed: 12km/hDecWind Speed: 12km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 7mphFebWind Speed: 8mphMarWind Speed: 8mphAprWind Speed: 8mphMayWind Speed: 7mphJunWind Speed: 7mphJulWind Speed: 6mphAugWind Speed: 6mphSepWind Speed: 6mphOctWind Speed: 7mphNovWind Speed: 8mphDecWind Speed: 8mph
Wind Speed

Algonquin is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12km/h in winter, 12km/h in spring, 10km/h in summer, 11km/h in autumn.Algonquin is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 7mph in spring, 6mph in summer, 7mph in autumn.

Best Time to Visit

Jan-6°21°F
Feb-5°22°F
Mar0°32°F
Apr7°44°F
May14°57°F
Jun19°66°F
Jul22°71°F
Aug21°69°F
Sep17°62°F
Oct10°51°F
Nov3°37°F
Dec-3°27°F

The best time to visit Algonquin is during June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 76 mm per month. By contrast, July can be uncomfortably hot with highs reaching 27°C, while February is the coldest period with lows dropping to -10°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Algonquin is during June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 64°F with modest rainfall averaging 3 in per month. By contrast, July can be uncomfortably hot with highs reaching 81°F, while February is the coldest period with lows dropping to 14°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Algonquin based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Algonquin based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-10 °C14 °F
-2 °C28 °F
12 km/h7 mph
80 mm3.2 in
47 cm18 in
Feb
-10 °C14 °F
0 °C32 °F
12 km/h8 mph
84 mm3.3 in
49 cm19 in
Mar
-4 °C25 °F
5 °C41 °F
12 km/h8 mph
91 mm3.6 in
29 cm11 in
Apr
2 °C36 °F
12 °C54 °F
12 km/h8 mph
110 mm4.3 in
13 cm5 in
May
8 °C47 °F
20 °C68 °F
11 km/h7 mph
91 mm3.6 in
0 cm0 in
Jun
13 °C56 °F
24 °C76 °F
11 km/h7 mph
93 mm3.7 in
0 cm0 in
Jul
17 °C62 °F
27 °C81 °F
10 km/h6 mph
110 mm4.3 in
0 cm0 in
Aug
16 °C61 °F
26 °C79 °F
10 km/h6 mph
109 mm4.3 in
0 cm0 in
Sep
12 °C54 °F
22 °C72 °F
10 km/h6 mph
60 mm2.4 in
0 cm0 in
OctCurrent
7 °C44 °F
15 °C59 °F
12 km/h7 mph
121 mm4.7 in
2 cm1 in
Nov
0 °C31 °F
7 °C44 °F
12 km/h8 mph
84 mm3.3 in
18 cm7 in
Dec
-6 °C22 °F
0 °C33 °F
12 km/h8 mph
89 mm3.5 in
36 cm14 in