Warmest month
- George Town
- August · 28.89 °C
- London
- July · 18.57 °C
George Town (Cayman Islands) vs London (Great Britain): Temperature, Rainfall and Sunshine
Reference period: George Town 2013–2023 · London 2013–2023
George Town (Cayman Islands) has a higher monthly mean temperature than London (Great Britain) in every month of the year.
Key monthly differences
Coolest month
- George Town
- January · 25.75 °C
- London
- January · 4.73 °C
Driest month
- George Town
- January · 1.20 mm/day
- London
- April · 1.33 mm/day
Sunniest month
- George Town
- July · 11.82 hours/day
- London
- July · 10.94 hours/day
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Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 10.22 °C (July); the largest is 21.03 °C (January).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 3.14 °C in George Town (Cayman Islands) 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?
George Town (Cayman Islands) has a higher daily rainfall average in 7 months and London (Great Britain) in 5; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Which location has more sunshine?
George Town (Cayman Islands) has more average sunshine hours per day in 12 months and London (Great Britain) in 0; 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 George Town (Cayman Islands)
Temperature °C
| Month | George Town | London | +/- |
|---|---|---|---|
| Jan | 25.75 | 4.73 | −21.03 |
| Feb | 25.85 | 5.44 | −20.40 |
| Mar | 26.02 | 6.84 | −19.18 |
| Apr | 26.93 | 9.18 | −17.74 |
| May | 27.40 | 12.67 | −14.74 |
| Jun | 28.09 | 16.27 | −11.82 |
| Jul | 28.79 | 18.57 | −10.22 |
| Aug | 28.89 | 17.74 | −11.16 |
| Sep | 28.64 | 15.48 | −13.15 |
| Oct | 27.97 | 12.31 | −15.66 |
| Nov | 27.15 | 8.09 | −19.06 |
| Dec | 26.52 | 6.52 | −20.00 |
| Annual mean | 27.33 | 11.15 | −16.18 |
Average sunshine (hours/day)
| Month | George Town | London | +/- |
|---|---|---|---|
| Jan | 9.86 | 3.74 | −6.12 |
| Feb | 10.56 | 5.11 | −5.45 |
| Mar | 10.84 | 6.38 | −4.46 |
| Apr | 11.37 | 9.22 | −2.14 |
| May | 11.40 | 10.11 | −1.29 |
| Jun | 10.88 | 10.51 | −0.36 |
| Jul | 11.82 | 10.94 | −0.88 |
| Aug | 10.89 | 9.68 | −1.21 |
| Sep | 10.47 | 8.02 | −2.45 |
| Oct | 9.78 | 5.86 | −3.92 |
| Nov | 9.47 | 4.12 | −5.35 |
| Dec | 9.63 | 3.14 | −6.49 |
| Annual mean | 10.58 | 7.24 | −3.34 |
Average daily rainfall (mm/day)
| Month | George Town | London | +/- |
|---|---|---|---|
| Jan | 1.20 | 1.92 | +0.72 |
| Feb | 1.26 | 1.71 | +0.45 |
| Mar | 1.49 | 1.61 | +0.12 |
| Apr | 1.41 | 1.33 | −0.08 |
| May | 3.76 | 1.85 | −1.90 |
| Jun | 4.05 | 1.93 | −2.12 |
| Jul | 1.75 | 1.79 | +0.05 |
| Aug | 3.29 | 2.02 | −1.27 |
| Sep | 3.54 | 1.61 | −1.93 |
| Oct | 4.97 | 2.51 | −2.46 |
| Nov | 3.75 | 2.27 | −1.47 |
| Dec | 1.68 | 2.10 | +0.43 |
| Annual mean | 2.68 | 1.89 | −0.79 |
Snow (mm)
| Month | George 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 |
