Climate Insights for Cannon Rocks

South Africa

Hottest
February
24°C peak76°F peak
Coldest
August
13°C low55°F low
Wettest
September
52 mm rain2 in rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Cannon Rocks is warm and mild. The average annual temperature is 19°C and approximately 533 mm of precipitation falls per year. Cannon Rocks receives a notable amount of rainfall throughout the year, including during its driest month. Cannon Rocks is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, June, when temperatures can drop to 13°C.The climate in Cannon Rocks is warm and mild. The average annual temperature is 66°F and approximately 21 in of precipitation falls per year. Cannon Rocks receives a notable amount of rainfall throughout the year, including during its driest month. Cannon Rocks is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, June, when temperatures can drop to 55°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 24°Average: 22°Min: 19°FebMax: 24°Average: 22°Min: 19°MarMax: 24°Average: 21°Min: 18°AprMax: 22°Average: 19°Min: 17°MayMax: 22°Average: 18°Min: 15°JunMax: 20°Average: 17°Min: 14°JulMax: 20°Average: 16°Min: 13°AugMax: 19°Average: 16°Min: 13°SepMax: 20°Average: 17°Min: 14°OctMax: 21°Average: 18°Min: 15°NovMax: 21°Average: 19°Min: 16°DecMax: 23°Average: 20°Min: 18°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 76°FAverage: 71°FMin: 67°FFebMax: 76°FAverage: 71°FMin: 66°FMarMax: 74°FAverage: 69°FMin: 65°FAprMax: 72°FAverage: 66°FMin: 62°FMayMax: 71°FAverage: 64°FMin: 59°FJunMax: 69°FAverage: 62°FMin: 57°FJulMax: 67°FAverage: 61°FMin: 55°FAugMax: 67°FAverage: 61°FMin: 55°FSepMax: 68°FAverage: 62°FMin: 57°FOctMax: 69°FAverage: 64°FMin: 59°FNovMax: 71°FAverage: 66°FMin: 61°FDecMax: 73°FAverage: 69°FMin: 64°F
Max
Average
Min

Cannon Rocks sees moderate temperature variation throughout the year, ranging from 13°C to 24°C. February is the warmest month, though highs remain moderate at 24°C with a mean of 22°C. August is the coolest month, with minimum temperatures around 13°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.Cannon Rocks sees moderate temperature variation throughout the year, ranging from 55°F to 76°F. February is the warmest month, though highs remain moderate at 76°F with a mean of 71°F. August is the coolest month, with minimum temperatures around 55°F and an average of 61°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows.

Precipitation

0mm25mm50mm75mm100mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 36mmFebPrecipitation: 42mmMarPrecipitation: 45mmAprPrecipitation: 50mmMayPrecipitation: 46mmJunPrecipitation: 46mmJulPrecipitation: 38mmAugPrecipitation: 38mmSepPrecipitation: 52mmOctPrecipitation: 50mmNovPrecipitation: 45mmDecPrecipitation: 45mm
Precipitation
0in1in2inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.4inFebPrecipitation: 1.6inMarPrecipitation: 1.8inAprPrecipitation: 2inMayPrecipitation: 1.8inJunPrecipitation: 1.8inJulPrecipitation: 1.5inAugPrecipitation: 1.5inSepPrecipitation: 2inOctPrecipitation: 2inNovPrecipitation: 1.8inDecPrecipitation: 1.8in
Precipitation

Cannon Rocks is a relatively dry area, receiving approximately 533 mm of precipitation annually, which averages out to around 44 mm per month. The wettest month is September, averaging 52 mm of rainfall. April and October also tend to see above-average precipitation. The driest month is January, with just 36 mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.Cannon Rocks is a relatively dry area, receiving approximately 21 in of precipitation annually, which averages out to around 1.7 in per month. The wettest month is September, averaging 2 in of rainfall. April and October also tend to see above-average precipitation. The driest month is January, with just 1.4 in. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h5km/h10km/h15km/h20km/h25km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 20km/hFebWind Speed: 19km/hMarWind Speed: 18km/hAprWind Speed: 19km/hMayWind Speed: 17km/hJunWind Speed: 20km/hJulWind Speed: 20km/hAugWind Speed: 21km/hSepWind Speed: 21km/hOctWind Speed: 21km/hNovWind Speed: 20km/hDecWind Speed: 19km/h
Wind Speed
0mph5mph10mph15mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12mphFebWind Speed: 12mphMarWind Speed: 11mphAprWind Speed: 12mphMayWind Speed: 11mphJunWind Speed: 12mphJulWind Speed: 13mphAugWind Speed: 13mphSepWind Speed: 13mphOctWind Speed: 13mphNovWind Speed: 12mphDecWind Speed: 12mph
Wind Speed

Cannon Rocks is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.Cannon Rocks is very windy, with an average annual wind speed of 12mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 13mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 11mph, 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.

Best Time to Visit

Jan22°71°F
Feb22°71°F
Mar21°69°F
Apr19°66°F
May18°64°F
Jun17°62°F
Jul16°61°F
Aug16°61°F
Sep17°62°F
Oct18°64°F
Nov19°66°F
Dec20°69°F

The best time to visit Cannon Rocks is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 44 mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Cannon Rocks is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 66°F with modest rainfall averaging 1.7 in per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Cannon Rocks 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. 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 Cannon Rocks 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. 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
19 °C67 °F
24 °C76 °F
20 km/h12 mph
36 mm1.4 in
0 cm0 in
Feb
19 °C66 °F
24 °C76 °F
19 km/h12 mph
42 mm1.6 in
0 cm0 in
Mar
18 °C65 °F
24 °C74 °F
18 km/h11 mph
45 mm1.8 in
0 cm0 in
Apr
17 °C62 °F
22 °C72 °F
19 km/h12 mph
50 mm2 in
0 cm0 in
May
15 °C59 °F
22 °C71 °F
17 km/h11 mph
46 mm1.8 in
0 cm0 in
Jun
14 °C57 °F
20 °C69 °F
20 km/h12 mph
46 mm1.8 in
0 cm0 in
Jul
13 °C55 °F
20 °C67 °F
20 km/h13 mph
38 mm1.5 in
0 cm0 in
Aug
13 °C55 °F
19 °C67 °F
21 km/h13 mph
38 mm1.5 in
0 cm0 in
Sep
14 °C57 °F
20 °C68 °F
21 km/h13 mph
52 mm2 in
0 cm0 in
OctCurrent
15 °C59 °F
21 °C69 °F
21 km/h13 mph
50 mm2 in
0 cm0 in
Nov
16 °C61 °F
21 °C71 °F
20 km/h12 mph
45 mm1.8 in
0 cm0 in
Dec
18 °C64 °F
23 °C73 °F
19 km/h12 mph
45 mm1.8 in
0 cm0 in