Cape Town (South Africa) vs London (Great Britain): Temperature, Rainfall and Sunshine

Reference period: Cape Town 2013–2023 · London 2013–2023

Across the 12 monthly averages, Cape Town (South Africa) is warmer in 8 months and London (Great Britain) in 4; 0 months are equal at the displayed precision.

Key monthly differences

Warmest month

Cape Town
January · 21.83 °C
London
July · 18.57 °C

Coolest month

Cape Town
July · 12.35 °C
London
January · 4.73 °C

Driest month

Cape Town
February · 0.36 mm/day
London
April · 1.33 mm/day

Sunniest month

Cape Town
December · 12.78 hours/day
London
July · 10.94 hours/day
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Climate Compare: London (Great Britain)
Climate Compare: Cape Town (South Africa)

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Climate comparison questions

When are the temperatures most similar and most different?

The smallest difference in monthly mean temperature is 1.38 °C (September); the largest is 17.10 °C (January).

How much do temperatures vary across the year?

The difference between the warmest and coolest monthly means is 9.48 °C in Cape Town (South Africa) and 13.84 °C in London (Great Britain). This describes seasonal variation, not the range between daytime highs and nighttime lows.

Which location has more rainfall?

Cape Town (South Africa) has a higher daily rainfall average in 3 months and London (Great Britain) in 9; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.

Which location has more sunshine?

Cape Town (South Africa) has more average sunshine hours per day in 8 months and London (Great Britain) in 4; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.

Climate data notes

Show data and calculation

Daily values are averaged separately for each calendar month over the saved reference period. Temperatures are daily means, not daytime highs. Rainfall is an average daily amount, not a monthly total; sunshine is average hours per day. These historical averages are not a weather forecast. Each location’s reference period is listed below and may differ.

Mean of the 12 monthly averages

Monthly climate data

Difference: London (Great Britain) minus Cape Town (South Africa)

Temperature °C

Month Cape Town London +/-
Jan 21.83 4.73 −17.10
Feb 21.71 5.44 −16.27
Mar 19.93 6.84 −13.09
Apr 17.78 9.18 −8.59
May 15.30 12.67 −2.63
Jun 13.19 16.27 +3.08
Jul 12.35 18.57 +6.22
Aug 12.75 17.74 +4.99
Sep 14.10 15.48 +1.38
Oct 16.95 12.31 −4.64
Nov 18.46 8.09 −10.37
Dec 20.41 6.52 −13.90
Annual mean 17.06 11.15 −5.91

Average sunshine (hours/day)

Month Cape Town London +/-
Jan 12.73 3.74 −8.98
Feb 11.80 5.11 −6.69
Mar 10.62 6.38 −4.24
Apr 9.54 9.22 −0.31
May 8.31 10.11 +1.79
Jun 7.58 10.51 +2.94
Jul 8.08 10.94 +2.86
Aug 8.85 9.68 +0.82
Sep 9.74 8.02 −1.72
Oct 11.36 5.86 −5.50
Nov 12.24 4.12 −8.12
Dec 12.78 3.14 −9.63
Annual mean 10.30 7.24 −3.07

Average daily rainfall (mm/day)

Month Cape Town London +/-
Jan 0.43 1.92 +1.49
Feb 0.36 1.71 +1.35
Mar 0.86 1.61 +0.74
Apr 1.04 1.33 +0.29
May 1.73 1.85 +0.13
Jun 3.84 1.93 −1.90
Jul 2.56 1.79 −0.77
Aug 2.42 2.02 −0.40
Sep 1.47 1.61 +0.14
Oct 0.79 2.51 +1.72
Nov 0.92 2.27 +1.35
Dec 0.63 2.10 +1.48
Annual mean 1.42 1.89 +0.47

Snow (mm)

Month Cape Town London +/-
Jan 0.00 0.94 +0.94
Feb 0.00 0.76 +0.76
Mar 0.00 0.77 +0.77
Apr 0.00 0.05 +0.05
May 0.00 0.00 0.00
Jun 0.00 0.00 0.00
Jul 0.00 0.00 0.00
Aug 0.00 0.00 0.00
Sep 0.00 0.00 0.00
Oct 0.00 0.00 0.00
Nov 0.00 0.04 +0.04
Dec 0.00 0.40 +0.40
Annual mean 0.00 0.25 +0.25