Climate Insights for Riverside

South Africa

Hottest
January
26°C peak79°F peak
Coldest
July
3°C low37°F low
Wettest
December
146 mm rain5.7 in rain
Best to Visit
April, September, October
Mild temps & low rain

Climate Overview

The climate in Riverside is temperate. The average annual temperature is 16°C and approximately 944 mm of precipitation falls per year. December is the wettest month, receiving around 146 mm of rainfall. Riverside 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: January, February, March. The coldest months are July, June, August, when temperatures can drop to 3°C.The climate in Riverside is temperate. The average annual temperature is 61°F and approximately 37.2 in of precipitation falls per year. December is the wettest month, receiving around 5.7 in of rainfall. Riverside 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: January, February, March. The coldest months are July, June, August, when temperatures can drop to 37°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 26°Average: 20°Min: 15°FebMax: 26°Average: 20°Min: 15°MarMax: 26°Average: 19°Min: 14°AprMax: 23°Average: 16°Min: 11°MayMax: 22°Average: 13°Min: 7°JunMax: 20°Average: 11°Min: 3°JulMax: 20°Average: 11°Min: 3°AugMax: 22°Average: 13°Min: 5°SepMax: 23°Average: 15°Min: 8°OctMax: 23°Average: 16°Min: 10°NovMax: 24°Average: 18°Min: 12°DecMax: 25°Average: 19°Min: 14°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 79°FAverage: 68°FMin: 58°FFebMax: 78°FAverage: 68°FMin: 59°FMarMax: 78°FAverage: 66°FMin: 57°FAprMax: 73°FAverage: 61°FMin: 51°FMayMax: 72°FAverage: 56°FMin: 44°FJunMax: 69°FAverage: 51°FMin: 38°FJulMax: 68°FAverage: 51°FMin: 37°FAugMax: 71°FAverage: 55°FMin: 41°FSepMax: 74°FAverage: 59°FMin: 47°FOctMax: 74°FAverage: 61°FMin: 50°FNovMax: 76°FAverage: 64°FMin: 54°FDecMax: 77°FAverage: 66°FMin: 57°F
Max
Average
Min

Temperatures in Riverside vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 3°C and an average of 11°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.Temperatures in Riverside vary considerably across the year, with a 42°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 79°F and the mean temperature sits around 68°F. July is the coolest month, with minimum temperatures around 37°F and an average of 51°F. On average, daily temperatures fluctuate by about 25°F between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 5°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 133mmFebPrecipitation: 128mmMarPrecipitation: 109mmAprPrecipitation: 87mmMayPrecipitation: 35mmJunPrecipitation: 15mmJulPrecipitation: 15mmAugPrecipitation: 24mmSepPrecipitation: 50mmOctPrecipitation: 91mmNovPrecipitation: 112mmDecPrecipitation: 146mm
Precipitation
0in2in4in6inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 5.2inFebPrecipitation: 5inMarPrecipitation: 4.3inAprPrecipitation: 3.4inMayPrecipitation: 1.4inJunPrecipitation: 0.6inJulPrecipitation: 0.6inAugPrecipitation: 0.9inSepPrecipitation: 2inOctPrecipitation: 3.6inNovPrecipitation: 4.4inDecPrecipitation: 5.7in
Precipitation

Riverside is a moderately rainy area, receiving approximately 944 mm of precipitation annually, which averages out to around 79 mm per month. The wettest month is December, averaging 146 mm of rainfall. January and February also tend to see above-average precipitation. The driest month is June, with just 15 mm. That's 131 mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Riverside is a moderately rainy area, receiving approximately 37.2 in of precipitation annually, which averages out to around 3.1 in per month. The wettest month is December, averaging 5.7 in of rainfall. January and February also tend to see above-average precipitation. The driest month is June, with just 0.6 in. That's 5.2 in less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 7km/hFebWind Speed: 7km/hMarWind Speed: 7km/hAprWind Speed: 7km/hMayWind Speed: 6km/hJunWind Speed: 7km/hJulWind Speed: 7km/hAugWind Speed: 8km/hSepWind Speed: 8km/hOctWind Speed: 8km/hNovWind Speed: 8km/hDecWind Speed: 8km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 4mphMarWind Speed: 4mphAprWind Speed: 4mphMayWind Speed: 4mphJunWind Speed: 4mphJulWind Speed: 4mphAugWind Speed: 5mphSepWind Speed: 5mphOctWind Speed: 5mphNovWind Speed: 5mphDecWind Speed: 5mph
Wind Speed

Riverside is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/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.Riverside is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Best Time to Visit

Jan20°68°F
Feb20°68°F
Mar19°66°F
Apr16°61°F
May13°56°F
Jun11°51°F
Jul11°51°F
Aug13°55°F
Sep15°59°F
Oct16°61°F
Nov18°64°F
Dec19°66°F

The best time to visit Riverside is during April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 76 mm per month. By contrast, January can be uncomfortably hot with highs reaching 26°C, while July is the coldest period with lows dropping to 3°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 Riverside is during April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 60°F with modest rainfall averaging 3 in per month. By contrast, January can be uncomfortably hot with highs reaching 79°F, while July is the coldest period with lows dropping to 37°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 Riverside 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 Riverside 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
15 °C58 °F
26 °C79 °F
7 km/h4 mph
133 mm5.2 in
0 cm0 in
Feb
15 °C59 °F
26 °C78 °F
7 km/h4 mph
128 mm5 in
0 cm0 in
Mar
14 °C57 °F
26 °C78 °F
7 km/h4 mph
109 mm4.3 in
0 cm0 in
Apr
11 °C51 °F
23 °C73 °F
7 km/h4 mph
87 mm3.4 in
0 cm0 in
May
7 °C44 °F
22 °C72 °F
6 km/h4 mph
35 mm1.4 in
0 cm0 in
Jun
3 °C38 °F
20 °C69 °F
7 km/h4 mph
15 mm0.6 in
0 cm0 in
Jul
3 °C37 °F
20 °C68 °F
7 km/h4 mph
15 mm0.6 in
0 cm0 in
Aug
5 °C41 °F
22 °C71 °F
8 km/h5 mph
24 mm0.9 in
0 cm0 in
Sep
8 °C47 °F
23 °C74 °F
8 km/h5 mph
50 mm2 in
0 cm0 in
OctCurrent
10 °C50 °F
23 °C74 °F
8 km/h5 mph
91 mm3.6 in
0 cm0 in
Nov
12 °C54 °F
24 °C76 °F
8 km/h5 mph
112 mm4.4 in
0 cm0 in
Dec
14 °C57 °F
25 °C77 °F
8 km/h5 mph
146 mm5.7 in
0 cm0 in