Swellendam, Western Cape, South Africa Climate

Weather: 20.35°C/68.63°F, Wind SW at 3.82 km/h, 77% Humidity, 0% Chance of rain

South Africa
(Photo by NOAA on Unsplash)

Swellendam Climate Summary

Located at an elevation of 119.41 meters (391.77 feet) above sea level, Swellendam has a Mid-latitude desert climate (Classification: BWk). The district’s yearly temperature is 18.07ºC (64.53ºF) and it is -3.15% lower than South Africa’s averages. Swellendam typically receives about 32.79 millimeters (1.29 inches) of precipitation and has 64.59 rainy days (17.7% of the time) annually.

CountrySouth Africa
CityWestern Cape
Longitude20.4381254
Latitude-34.0257083
Attitude/Elevation119.41m (391.77ft)
Local timeThursday 19:52
Annual high temperature22.56ºC (72.61ºF)
Annual low temperature10.15ºC (50.27ºF)
Average annual precip.32.79mm (1.29in)
Warmest monthFebruary (27.7ºC / 81.86ºF)
Coldest MonthJuly (5.09ºC / 41.16ºF)
Wettest MonthOctober (47.33mm / 1.86in)
Driest MonthDecember (24.54mm / 0.97in)
Number of days with rainfall (≥ 1.0 mm)64.59 days (17.7%)
Days with no rain300.40999999999997 days (82.3%)
Humidity60.29%

Climate Swellendam: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)38.88(101.98)39.85(103.73)37.9(100.22)34.99(94.98)30.13(86.23)27.21(80.98)28.19(82.74)31.1(87.98)35.96(96.73)37.9(100.22)37.9(100.22)37.9(100.22)39.85(103.73)
Average high °C (°F)27.52(81.54)27.7(81.86)26.2(79.16)22.93(73.27)20.72(69.3)17.25(63.05)17.08(62.74)18.25(64.85)20.54(68.97)22.53(72.55)24.01(75.22)25.99(78.78)22.56(72.61)
Daily mean °C (°F)23.05(73.49)23.12(73.62)21.71(71.08)18.58(65.44)16.28(61.3)12.99(55.38)12.71(54.88)13.68(56.62)16.03(60.85)17.96(64.33)19.2(66.56)21.51(70.72)18.07(64.53)
Average low °C (°F)15.47(59.85)15.37(59.67)14.02(57.24)10.72(51.3)8.65(47.57)5.71(42.28)5.09(41.16)5.12(41.22)7.36(45.25)9.58(49.24)10.91(51.64)13.78(56.8)10.15(50.27)
Record low °C (°F)7.78(46.0)5.83(42.49)5.83(42.49)1.94(35.49)0.97(33.75)-0.97(30.25)-1.94(28.51)-0.97(30.25)-0.97(30.25)1.94(35.49)1.94(35.49)7.78(46.0)-1.94(28.51)
Average precipitation mm (inches)42.81(1.69)33.16(1.31)28.44(1.12)24.7(0.97)26.09(1.03)32.22(1.27)34.68(1.37)36.55(1.44)26.43(1.04)47.33(1.86)36.62(1.44)24.54(0.97)32.79(1.29)
Average precipitation days (≥ 1.0 mm)6.545.835.574.64.325.394.324.685.036.545.746.015.38
Average relative humidity (%)61.7961.1263.0260.1259.3657.7158.8358.2560.0161.160.761.3960.29
Mean monthly sunshine hours12.9711.1710.579.917.97.887.879.7110.611.712.8413.2310.53

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Swellendam in recent years.

Swellendam

Swellendam Temperature by Month

February
23.12°C | 73.62°F
January
23.05°C | 73.49°F
March
21.71°C | 71.08°F
December
21.51°C | 70.72°F
November
19.2°C | 66.56°F
April
18.58°C | 65.44°F
October
17.96°C | 64.33°F
May
16.28°C | 61.3°F
September
16.03°C | 60.85°F
August
13.68°C | 56.62°F
June
12.99°C | 55.38°F
July
12.71°C | 54.88°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature32.07°C (89.73°F)25.52°C (77.94°F)15.55°C (59.99°F)
Avg Temperature27.21°C (80.98°F)21.88°C (71.38°F)14.58°C (58.24°F)
Min Temperature20.41°C (68.74°F)16.27°C (61.29°F)8.75°C (47.75°F)
Dew PointMaxAverageMin
Dew Point15.55°C (59.99°F)13.23°C (55.81°F)6.8°C (44.24°F)
PrecipitationMaxAverageMinSum
Precipitation9.33mm | 0.37in1.24mm | 0.05in0.0mm | 0in38.58mm | 1.52in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind17.49kmh | 10.87mph10.75kmh | 6.68mph5.83kmh | 3.62mph
Gust Wind21.38kmh | 13.28mph13.64kmh | 8.48mph7.78kmh | 4.83mph
Sea Level PressureMaxAverageMin
Sea Level Pressure9.33mb1.24mb0.0mb
Swellendam

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-01-0121.38 | 70.4813.61 | 56.56810.69 | 6.6429.1 | 985.510.0 | 0
2020-01-0220.41 | 68.7411.66 | 52.996710.69 | 6.6429.04 | 983.560.0 | 0
2020-01-0322.35 | 72.2314.58 | 58.247010.69 | 6.6429.07 | 984.530.19 | 0.01
2020-01-0426.24 | 79.2314.58 | 58.24628.75 | 5.4429.02 | 982.590.0 | 0
2020-01-0522.35 | 72.2312.63 | 54.736211.66 | 7.2529.02 | 982.590.0 | 0
2020-01-0620.41 | 68.7414.58 | 58.247210.69 | 6.6429.07 | 984.530.19 | 0.01
2020-01-0719.44 | 66.9914.58 | 58.24785.83 | 3.6229.02 | 982.593.6 | 0.14
2020-01-0824.3 | 75.7415.55 | 59.996712.63 | 7.8528.9 | 978.73.79 | 0.15
2020-01-0918.47 | 65.2514.58 | 58.247411.66 | 7.2529.1 | 985.510.19 | 0.01
2020-01-1022.35 | 72.2312.63 | 54.73628.75 | 5.4429.22 | 989.390.49 | 0.02
2020-01-1127.21 | 80.9812.63 | 54.735010.69 | 6.6429.07 | 984.530.0 | 0
2020-01-1224.3 | 75.7412.63 | 54.735911.66 | 7.2529.13 | 986.480.0 | 0
2020-01-1325.27 | 77.4914.58 | 58.24628.75 | 5.4429.1 | 985.510.0 | 0
2020-01-1427.21 | 80.9815.55 | 59.99628.75 | 5.4429.07 | 984.530.0 | 0
2020-01-1526.24 | 79.2315.55 | 59.99629.72 | 6.0429.1 | 985.510.0 | 0
2020-01-1626.24 | 79.2315.55 | 59.996411.66 | 7.2529.04 | 983.560.0 | 0
2020-01-1719.44 | 66.9915.55 | 59.998111.66 | 7.2529.1 | 985.513.5 | 0.14
2020-01-1815.55 | 59.9912.63 | 54.738513.61 | 8.4629.16 | 987.455.64 | 0.22
2020-01-1917.49 | 63.489.72 | 49.56817.49 | 10.8729.19 | 988.420.78 | 0.03
2020-01-2018.47 | 65.2513.61 | 56.58014.58 | 9.0629.13 | 986.484.08 | 0.16
2020-01-2119.44 | 66.9914.58 | 58.248011.66 | 7.2529.13 | 986.489.33 | 0.37
2020-01-2220.41 | 68.7414.58 | 58.247512.63 | 7.8529.07 | 984.530.97 | 0.04
2020-01-2320.41 | 68.7412.63 | 54.736912.63 | 7.8529.1 | 985.510.1 | 0.0
2020-01-2423.33 | 73.9913.61 | 56.5637.78 | 4.8328.99 | 981.620.1 | 0.0
2020-01-2525.27 | 77.4913.61 | 56.5599.72 | 6.0428.93 | 979.680.29 | 0.01
2020-01-2614.58 | 58.249.72 | 49.57013.61 | 8.4629.07 | 984.535.15 | 0.2
2020-01-2717.49 | 63.486.8 | 44.24595.83 | 3.6229.3 | 992.310.19 | 0.01
2020-01-2821.38 | 70.486.8 | 44.24497.78 | 4.8329.13 | 986.480.0 | 0
2020-01-2921.38 | 70.4813.61 | 56.5699.72 | 6.0429.16 | 987.450.0 | 0
2020-01-3024.3 | 75.7412.63 | 54.73568.75 | 5.4429.16 | 987.450.0 | 0
2020-01-3125.27 | 77.4914.58 | 58.245712.63 | 7.8529.04 | 983.560.0 | 0

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