Climate Insights for Rietvlei

South Africa

Hottest
January
25°C peak77°F peak
Coldest
July
5°C low40°F low
Wettest
December
192 mm rain7.6 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Rietvlei is temperate. The average annual temperature is 16°C and approximately 1,282 mm of precipitation falls per year. December is the wettest month, receiving around 192 mm of rainfall. Rietvlei 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 5°C.The climate in Rietvlei is temperate. The average annual temperature is 60°F and approximately 50.5 in of precipitation falls per year. December is the wettest month, receiving around 7.6 in of rainfall. Rietvlei 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 40°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 25°Average: 20°Min: 15°FebMax: 25°Average: 20°Min: 15°MarMax: 25°Average: 19°Min: 15°AprMax: 22°Average: 16°Min: 12°MayMax: 22°Average: 14°Min: 8°JunMax: 20°Average: 11°Min: 5°JulMax: 20°Average: 11°Min: 5°AugMax: 21°Average: 13°Min: 6°SepMax: 22°Average: 15°Min: 9°OctMax: 22°Average: 16°Min: 10°NovMax: 23°Average: 17°Min: 12°DecMax: 24°Average: 18°Min: 14°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 77°FAverage: 67°FMin: 59°FFebMax: 77°FAverage: 67°FMin: 60°FMarMax: 77°FAverage: 66°FMin: 58°FAprMax: 72°FAverage: 61°FMin: 53°FMayMax: 71°FAverage: 57°FMin: 47°FJunMax: 68°FAverage: 52°FMin: 41°FJulMax: 68°FAverage: 52°FMin: 40°FAugMax: 70°FAverage: 55°FMin: 43°FSepMax: 71°FAverage: 59°FMin: 48°FOctMax: 72°FAverage: 60°FMin: 51°FNovMax: 73°FAverage: 63°FMin: 54°FDecMax: 75°FAverage: 65°FMin: 57°F
Max
Average
Min

Rietvlei sees moderate temperature variation throughout the year, ranging from 5°C to 25°C. The warmest month is January, when average highs reach 25°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 5°C and an average of 11°C. On average, daily temperatures fluctuate by about 12°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 Rietvlei vary considerably across the year, with a 37°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 77°F and the mean temperature sits around 67°F. July is the coolest month, with minimum temperatures around 40°F and an average of 52°F. On average, daily temperatures fluctuate by about 21°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

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 172mmFebPrecipitation: 178mmMarPrecipitation: 147mmAprPrecipitation: 121mmMayPrecipitation: 47mmJunPrecipitation: 27mmJulPrecipitation: 23mmAugPrecipitation: 40mmSepPrecipitation: 73mmOctPrecipitation: 120mmNovPrecipitation: 140mmDecPrecipitation: 192mm
Precipitation
0in2in4in6in8inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 6.8inFebPrecipitation: 7inMarPrecipitation: 5.8inAprPrecipitation: 4.8inMayPrecipitation: 1.9inJunPrecipitation: 1.1inJulPrecipitation: 0.9inAugPrecipitation: 1.6inSepPrecipitation: 2.9inOctPrecipitation: 4.7inNovPrecipitation: 5.5inDecPrecipitation: 7.6in
Precipitation

Rietvlei is a fairly wet location, receiving approximately 1,282 mm of precipitation annually, which averages out to around 107 mm per month. The wettest month is December, averaging 192 mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 23 mm. That's 169 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.Rietvlei is a fairly wet location, receiving approximately 50.5 in of precipitation annually, which averages out to around 4.2 in per month. The wettest month is December, averaging 7.6 in of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 0.9 in. That's 6.7 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: 8km/hFebWind Speed: 7km/hMarWind Speed: 7km/hAprWind Speed: 7km/hMayWind Speed: 7km/hJunWind Speed: 7km/hJulWind Speed: 8km/hAugWind Speed: 8km/hSepWind Speed: 8km/hOctWind Speed: 9km/hNovWind Speed: 8km/hDecWind Speed: 8km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5mphFebWind Speed: 5mphMarWind Speed: 4mphAprWind Speed: 4mphMayWind Speed: 4mphJunWind Speed: 5mphJulWind Speed: 5mphAugWind Speed: 5mphSepWind Speed: 5mphOctWind Speed: 5mphNovWind Speed: 5mphDecWind Speed: 5mph
Wind Speed

Rietvlei is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/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.Rietvlei 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.

Monthly Climate Data

The table below shows monthly climate averages for Rietvlei 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 Rietvlei 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 °C59 °F
25 °C77 °F
8 km/h5 mph
172 mm6.8 in
0 cm0 in
Feb
15 °C60 °F
25 °C77 °F
7 km/h5 mph
178 mm7 in
0 cm0 in
Mar
15 °C58 °F
25 °C77 °F
7 km/h4 mph
147 mm5.8 in
0 cm0 in
Apr
12 °C53 °F
22 °C72 °F
7 km/h4 mph
121 mm4.8 in
0 cm0 in
May
8 °C47 °F
22 °C71 °F
7 km/h4 mph
47 mm1.9 in
0 cm0 in
Jun
5 °C41 °F
20 °C68 °F
7 km/h5 mph
27 mm1.1 in
0 cm0 in
Jul
5 °C40 °F
20 °C68 °F
8 km/h5 mph
23 mm0.9 in
0 cm0 in
Aug
6 °C43 °F
21 °C70 °F
8 km/h5 mph
40 mm1.6 in
0 cm0 in
Sep
9 °C48 °F
22 °C71 °F
8 km/h5 mph
73 mm2.9 in
0 cm0 in
OctCurrent
10 °C51 °F
22 °C72 °F
9 km/h5 mph
120 mm4.7 in
0 cm0 in
Nov
12 °C54 °F
23 °C73 °F
8 km/h5 mph
140 mm5.5 in
0 cm0 in
Dec
14 °C57 °F
24 °C75 °F
8 km/h5 mph
192 mm7.6 in
0 cm0 in