Warmest month
- Charlotte Amalie
- September · 27.80 °C
- London
- July · 18.57 °C
Charlotte Amalie (Virgin Islands (U.S.)) vs London (Great Britain): Temperature, Rainfall and Sunshine
Reference period: Charlotte Amalie 2013–2023 · London 2013–2023
Charlotte Amalie (Virgin Islands (U.S.)) has a higher monthly mean temperature than London (Great Britain) in every month of the year.
Key monthly differences
Coolest month
- Charlotte Amalie
- February · 24.99 °C
- London
- January · 4.73 °C
Driest month
- Charlotte Amalie
- March · 0.87 mm/day
- London
- April · 1.33 mm/day
Sunniest month
- Charlotte Amalie
- June · 11.76 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 8.76 °C (July); the largest is 20.56 °C (January).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 2.81 °C in Charlotte Amalie (Virgin Islands (U.S.)) 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?
Charlotte Amalie (Virgin Islands (U.S.)) 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?
Charlotte Amalie (Virgin Islands (U.S.)) 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 Charlotte Amalie (Virgin Islands (U.S.))
Temperature °C
| Month | Charlotte Amalie | London | +/- |
|---|---|---|---|
| Jan | 25.29 | 4.73 | −20.56 |
| Feb | 24.99 | 5.44 | −19.55 |
| Mar | 25.00 | 6.84 | −18.16 |
| Apr | 25.48 | 9.18 | −16.29 |
| May | 26.28 | 12.67 | −13.62 |
| Jun | 27.04 | 16.27 | −10.77 |
| Jul | 27.33 | 18.57 | −8.76 |
| Aug | 27.64 | 17.74 | −9.90 |
| Sep | 27.80 | 15.48 | −12.31 |
| Oct | 27.52 | 12.31 | −15.21 |
| Nov | 26.83 | 8.09 | −18.74 |
| Dec | 26.07 | 6.52 | −19.55 |
| Annual mean | 26.44 | 11.15 | −15.29 |
Average sunshine (hours/day)
| Month | Charlotte Amalie | London | +/- |
|---|---|---|---|
| Jan | 10.35 | 3.74 | −6.61 |
| Feb | 10.75 | 5.11 | −5.64 |
| Mar | 10.91 | 6.38 | −4.53 |
| Apr | 11.29 | 9.22 | −2.07 |
| May | 11.39 | 10.11 | −1.29 |
| Jun | 11.76 | 10.51 | −1.25 |
| Jul | 11.40 | 10.94 | −0.46 |
| Aug | 10.94 | 9.68 | −1.26 |
| Sep | 10.49 | 8.02 | −2.47 |
| Oct | 9.96 | 5.86 | −4.10 |
| Nov | 9.50 | 4.12 | −5.38 |
| Dec | 10.10 | 3.14 | −6.96 |
| Annual mean | 10.74 | 7.24 | −3.50 |
Average daily rainfall (mm/day)
| Month | Charlotte Amalie | London | +/- |
|---|---|---|---|
| Jan | 0.96 | 1.92 | +0.96 |
| Feb | 1.13 | 1.71 | +0.58 |
| Mar | 0.87 | 1.61 | +0.74 |
| Apr | 1.36 | 1.33 | −0.03 |
| May | 2.08 | 1.85 | −0.23 |
| Jun | 1.56 | 1.93 | +0.37 |
| Jul | 2.58 | 1.79 | −0.78 |
| Aug | 3.30 | 2.02 | −1.28 |
| Sep | 4.46 | 1.61 | −2.84 |
| Oct | 4.12 | 2.51 | −1.61 |
| Nov | 4.25 | 2.27 | −1.98 |
| Dec | 1.52 | 2.10 | +0.58 |
| Annual mean | 2.35 | 1.89 | −0.46 |
Snow (mm)
| Month | Charlotte Amalie | 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 |
