Warmest month
- London
- July · 18.57 °C
- Port au Prince
- July · 29.41 °C
London (Great Britain) vs Port au Prince (Haiti): Temperature, Rainfall and Sunshine
Reference period: London 2013–2023 · Port au Prince 2013–2023
Port au Prince (Haiti) has a higher monthly mean temperature than London (Great Britain) in every month of the year.
Key monthly differences
Coolest month
- London
- January · 4.73 °C
- Port au Prince
- January · 26.03 °C
Driest month
- London
- April · 1.33 mm/day
- Port au Prince
- December · 0.62 mm/day
Sunniest month
- London
- July · 10.94 hours/day
- Port au Prince
- June · 11.63 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 10.84 °C (July); the largest is 21.30 °C (January).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 13.84 °C in London (Great Britain) and 3.39 °C in Port au Prince (Haiti). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Which location has more rainfall?
London (Great Britain) has a higher daily rainfall average in 3 months and Port au Prince (Haiti) 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?
London (Great Britain) has more average sunshine hours per day in 0 months and Port au Prince (Haiti) in 12; 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: Port au Prince (Haiti) minus London (Great Britain)
Temperature °C
| Month | London | Port au Prince | +/- |
|---|---|---|---|
| Jan | 4.73 | 26.03 | +21.30 |
| Feb | 5.44 | 26.34 | +20.90 |
| Mar | 6.84 | 26.47 | +19.64 |
| Apr | 9.18 | 27.13 | +17.94 |
| May | 12.67 | 27.74 | +15.07 |
| Jun | 16.27 | 28.72 | +12.45 |
| Jul | 18.57 | 29.41 | +10.84 |
| Aug | 17.74 | 29.28 | +11.55 |
| Sep | 15.48 | 28.79 | +13.30 |
| Oct | 12.31 | 27.84 | +15.53 |
| Nov | 8.09 | 26.91 | +18.82 |
| Dec | 6.52 | 26.56 | +20.04 |
| Annual mean | 11.15 | 27.60 | +16.45 |
Average sunshine (hours/day)
| Month | London | Port au Prince | +/- |
|---|---|---|---|
| Jan | 3.74 | 9.96 | +6.22 |
| Feb | 5.11 | 10.60 | +5.49 |
| Mar | 6.38 | 11.14 | +4.76 |
| Apr | 9.22 | 11.55 | +2.33 |
| May | 10.11 | 11.31 | +1.21 |
| Jun | 10.51 | 11.63 | +1.12 |
| Jul | 10.94 | 11.62 | +0.68 |
| Aug | 9.68 | 11.28 | +1.60 |
| Sep | 8.02 | 10.82 | +2.80 |
| Oct | 5.86 | 10.29 | +4.43 |
| Nov | 4.12 | 9.98 | +5.86 |
| Dec | 3.14 | 10.08 | +6.93 |
| Annual mean | 7.24 | 10.85 | +3.62 |
Average daily rainfall (mm/day)
| Month | London | Port au Prince | +/- |
|---|---|---|---|
| Jan | 1.92 | 0.68 | −1.24 |
| Feb | 1.71 | 1.01 | −0.69 |
| Mar | 1.61 | 1.82 | +0.21 |
| Apr | 1.33 | 3.09 | +1.76 |
| May | 1.85 | 4.84 | +2.99 |
| Jun | 1.93 | 2.48 | +0.55 |
| Jul | 1.79 | 2.48 | +0.68 |
| Aug | 2.02 | 3.69 | +1.67 |
| Sep | 1.61 | 3.55 | +1.94 |
| Oct | 2.51 | 5.14 | +2.62 |
| Nov | 2.27 | 2.96 | +0.69 |
| Dec | 2.10 | 0.62 | −1.49 |
| Annual mean | 1.89 | 2.70 | +0.81 |
Snow (mm)
| Month | London | Port au Prince | +/- |
|---|---|---|---|
| Jan | 0.94 | 0.00 | −0.94 |
| Feb | 0.76 | 0.00 | −0.76 |
| Mar | 0.77 | 0.00 | −0.77 |
| Apr | 0.05 | 0.00 | −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 | 0.04 | 0.00 | −0.04 |
| Dec | 0.40 | 0.00 | −0.40 |
| Annual mean | 0.25 | 0.00 | −0.25 |
