Warmest months (mean temperature) (°C)
- London
- July: 18.57
- New York City
- July: 24.54
London (Great Britain) vs New York City (USA): Temperature, Rainfall and Sunshine
Across the 12 monthly averages, London (Great Britain) is warmer in 5 months and New York City (USA) in 7; 0 months are equal at the displayed precision.
Key monthly differences
Coolest months (mean temperature) (°C)
- London
- January: 4.73
- New York City
- January: -0.23
Months with the lowest daily rainfall average (mm/day)
- London
- April: 1.33
- New York City
- January: 2.14
Months with the most daily sunshine (hours/day)
- London
- July: 10.94
- New York City
- July: 11.45
Compare the climate of two locations
Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 0.89 °C (April, November); the largest is 5.97 °C (July).
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 24.77 °C in New York City (USA). 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 0 months and New York City (USA) in 12; 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 2 months and New York City (USA) in 10; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.
Data and measurement guide
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.
- London (Great Britain) — Reference period: 2013–2023
- New York City (USA) — Reference period: 2013–2023
Monthly climate data
Difference: New York City (USA) minus London (Great Britain)
Temperature °C
| Month | London | New York City | +/- |
|---|---|---|---|
| Jan | 4.73 | -0.23 | -4.96 |
| Feb | 5.44 | 0.33 | -5.11 |
| Mar | 6.84 | 3.97 | -2.87 |
| Apr | 9.18 | 10.07 | 0.89 |
| May | 12.67 | 15.79 | 3.12 |
| Jun | 16.27 | 20.92 | 4.65 |
| Jul | 18.57 | 24.54 | 5.97 |
| Aug | 17.74 | 23.53 | 5.79 |
| Sep | 15.48 | 20.07 | 4.59 |
| Oct | 12.31 | 14.25 | 1.94 |
| Nov | 8.09 | 7.20 | -0.89 |
| Dec | 6.52 | 3.25 | -3.26 |
| ⌀ Month | 11.15 | 11.97 | 0.82 |
Average sunshine (hours/day)
| Month | London | New York City | +/- |
|---|---|---|---|
| Jan | 3.74 | 5.78 | 2.04 |
| Feb | 5.11 | 6.49 | 1.38 |
| Mar | 6.38 | 7.82 | 1.44 |
| Apr | 9.22 | 8.73 | -0.50 |
| May | 10.11 | 9.65 | -0.46 |
| Jun | 10.51 | 10.96 | 0.44 |
| Jul | 10.94 | 11.45 | 0.51 |
| Aug | 9.68 | 10.38 | 0.70 |
| Sep | 8.02 | 8.99 | 0.97 |
| Oct | 5.86 | 7.13 | 1.27 |
| Nov | 4.12 | 6.65 | 2.54 |
| Dec | 3.14 | 5.20 | 2.06 |
| ⌀ Month | 7.24 | 8.27 | 1.03 |
Average daily rainfall (mm/day)
| Month | London | New York City | +/- |
|---|---|---|---|
| Jan | 1.92 | 2.14 | 0.22 |
| Feb | 1.71 | 2.23 | 0.52 |
| Mar | 1.61 | 2.28 | 0.68 |
| Apr | 1.33 | 3.32 | 1.99 |
| May | 1.85 | 2.96 | 1.10 |
| Jun | 1.93 | 3.47 | 1.54 |
| Jul | 1.79 | 4.40 | 2.61 |
| Aug | 2.02 | 3.10 | 1.07 |
| Sep | 1.61 | 3.76 | 2.14 |
| Oct | 2.51 | 4.10 | 1.59 |
| Nov | 2.27 | 2.50 | 0.23 |
| Dec | 2.10 | 3.41 | 1.30 |
| ⌀ Month | 1.89 | 3.14 | 1.25 |
Snow (mm)
| Month | London | New York City | +/- |
|---|---|---|---|
| Jan | 0.94 | 4.81 | 3.87 |
| Feb | 0.76 | 8.50 | 7.75 |
| Mar | 0.77 | 6.10 | 5.33 |
| Apr | 0.05 | 0.39 | 0.34 |
| May | 0.00 | 0.01 | 0.01 |
| 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 | 0.71 | 0.67 |
| Dec | 0.40 | 2.52 | 2.12 |
| ⌀ Month | 0.25 | 1.92 | 1.67 |
